Background: The study of the moisture balance can be used to suppose the plants water requirement... more Background: The study of the moisture balance can be used to suppose the plants water requirement and the plants water use efficiency. The moisture balance influenced by climate factor, therefore climate change can affect the moisture balance especially in rainfed. Therefore, an effort is needed to manage soil moisture in rainfed as a climate change mitigation measure: soil and water conservation. This study aimed to determine the influence of soil and water conservation on the moisture balance in the coffee root zone. Methods: This study was conducted at people’s coffee plantation of Argotirto village, Sumbermanjing Wetan District, Malang Regency, located between 8.2411-8.1443 S and 112.4031-112.4634 E. Observation were made on February to November 2020, divided into observations in the wet season, dry seasons and flowering period. The observation plots consisted of terraced plot (P0), terraced + straight silt pit (P1), terraced + L-shaped silt pit (P2) and terrace + biopore (P3). ...
Mycorrhizae is a symbiotic relationship between fungi and plant roots that is mutually beneficial... more Mycorrhizae is a symbiotic relationship between fungi and plant roots that is mutually beneficial. Mycorrhizae can be found in almost all soil types and generally do not have a specific host, but certain factors affect the population level and composition of arbuscular mycorrhizal species, such as plant characteristics and soil chemical properties. This study aimed to determine the density of spores and the percentage of mycorrhizal colonies on several food crops on agricultural land in Jabung District and their relationship to soil chemical properties such as pH, organic-C and available P. The research was conducted from February 2021 to October 2021. Sampling was carried out by purposive sampling based on the grouping of food plant species with six replications. Laboratory analysis was conducted in Biology and Chemical Laboratory, Department of Soil Science, Faculty of Agriculture, Brawijaya University. The results showed that the number of mycorrhizae spores per 100 g of soil was...
Iron toxicity is a widespread nutrient disorder in lowland crop production, notably in lowland ac... more Iron toxicity is a widespread nutrient disorder in lowland crop production, notably in lowland acid soils, swampy lands, coastal swamps and irrigated lowlands of Ultisols and Oxisols. It occurs only in flooded soils when the soil contains excessive amounts of iron. This excessive iron in soil has antagonistic effects on the uptake of many essential nutrients, poor growth and consequently yields reduction. The objective of this work was to evaluate the effects of different iron concentrations on growth characteristics and nutrient uptake of three pineapple clones ( Ananas comosus L. Merr .). The experiment was held in a greenhouse of Research and Development Department of Great Giant Pineapple Company on December 2014 until March 2015. A randomize complete factorial design with two factors and four replications were used in this study. The first factor was pineapple clones (GP1, GP3, and F180) and second factor was iron concentration. Different amounts of iron as second factor 5 (con...
Changes in the condition of aquatic environment are now a major problem for the survival of every... more Changes in the condition of aquatic environment are now a major problem for the survival of every organism caused by changes in land use, human activities, and agriculture. This study aims to determine the structure of macroinvertebrate communities. In addition, this study also aims to conduct analysis on BMWP index and water quality testing using physical and chemical parameters. This study was conducted on tertiary channels in Songka Sub-District, Palopo City. Each station's data collection covered relative density, macroinvertebrates that were found were assessed using BMWP index, then they were calculated using ASPT index. The results of this study found 17 taxa classified in the class of gastropods, insecta, bivalvia, malacostraca, citellata, oligochaeta and hirudenia. The results of BMWP index modification analysis from all stations found that ASPT value was "quite-poor" and "bad". It was indicated that in each station was mainly dominated by Oligochaeta worms and tolerant macroinvertebrates. Testing of physical and chemical parameters obtained DO value which belonged to class II of water quality. The low DO value caused high BOD value, which was classified in class III. The high value of BOD had an effect on the rise of COD value, the increase of COD value was caused by the high amount of organic and inorganic materials entering the water. PH value was relatively normal with the range of 6.3 to 6.8, temperature was in the range of 27.1°C to 28°C, the rise in temperature value was influenced by tree shade and the intensity of sunlight.
Analysis of the phenolics, flavonoids and tannins compounds has been done on water hyacinth leave... more Analysis of the phenolics, flavonoids and tannins compounds has been done on water hyacinth leaves (Eichornia crassipessolms). The research was carried out in several stages, including: sample preparation, maceration extraction, and evaporation. The total phenolics constituted analysis by Folin Ciocalteu 50%, flavonoidss by using aluminium chloride 2% in ethanol, and tannins by using vanillin 4% solution in methanol, continued by using ultra violet visible spectrophotometry (UV-Vis) methods. The analysis showed that the phenolics content of water hyacinth with methanol 60% equal to gallic acid 2.72 mg /kg is the highest phenolics content, and the lowest phenolics by distilled water equal to gallic acid 1.07 mg /kg and the flavonoids with methanol 80% equal to 3.29 mg quercetin/kg is the highest flavonoids content, and the lowest by the distilled water of quercetin 1.65 mg /kg and the highest condensed tannins content by methanol 80% of 0.7 mg/kg catechin
Different types of vegetation have the potential to affect a type of spore, the number of spores,... more Different types of vegetation have the potential to affect a type of spore, the number of spores, and the level of colonization in the roots. This study aims to determine the diversity of genus and the number of arbuscular mycorrhizal spores as well as the level of colonization in the vegetation of Bull Grass (Paspalum conjugatum Berg), Kemunting (Rhodomyrtus tomentosa), and Kirinyuh (Chromolaena odorata L) on post-coal mining land in Margomulyo Village, Kutai Kartanegara, Kalimantan. East. The research was conducted from February to October 2020. Sampling was carried out by purposive sampling based on the land cover area of the Bull grass, Kemunting, and Kirinyuh vegetation with four replications. Laboratory analysis was conducted in Biology Laboratory, Department of Soil Science, Faculty of Agriculture, Brawijaya University and chemical analysis of soil at the Laboratory of Soil, Faculty of Agriculture, University of Muhammadiyah Malang. The results showed that the genus Glomus wa...
In Indonesia, amount of biodiversity could be found including soil microorganism which were usefu... more In Indonesia, amount of biodiversity could be found including soil microorganism which were useful for sustainable agriculture. Everything lives in agricultural land were interacts and influences each others. Many factors of biotic and a-biotic environment such as land and climate fluctuation influences microbial expansion within the soils. For example arbuscular mycorrhiza (AM) which was formed by myches (fungus) and root of higher plant maybe fluctuated in the expansion due to the soil tillage. Land management and the present higher plant affected its growth and expansion. Mycorrhizae spores as one of the important generative form of various species in the difference host plant. The implication of different host plant often close related to the soil management and properties. Soil sample that was collected from various host plant in the fields or bare land have been found varied spores. Andisols and its properties conserve higher organic matter relatively and developed in the cold...
The study of vermicomposting optimization of organic waste aimed to produce vermicompost from urb... more The study of vermicomposting optimization of organic waste aimed to produce vermicompost from urban raw waste, and to select one of three kinds of worm which had significant effect in the production of vermicompost. The writers conducted a research during June to August 2012, by treating three varieties of worm named: G1 = Lumbricus rubellus; G2 = Lumbricus terrestris; G3 = Eisenia foetida, and used Fully Randomized Design (FRD) for each type of worms. The research variables were C/N ratio, C organic, N, P¬2O5, and K2O. The writers analysed the vermicompost treatment results in the laboratory, followed by ANOVA. The researchers used gentong (barrel-shaped potteries) as a research tool; and obtained organic waste materials from the local landfill. The result showed that it was possible to produce organic fertilizer from urban waste materials with vermicomposting process using Lumbricus rubellus, Lumbricus terrestris and Eisenia foetida. Moreover, apparently, Lumbricus rubellus had th...
One of the obstacles in the efforts to increase national soybean production is the presence of a ... more One of the obstacles in the efforts to increase national soybean production is the presence of a disease outbreak such as damping-off that caused by Sclerotium rolfsii. In the province of East Java, the intensity of S. Rolfsii reached 8.61% that spread all over Indonesia, even in our neighbor countries such as Malaysia, Thailand and the Philippines. The main onstraints in damping-off disease control is the ability of the pathogen to form sclerotium, which make can survive in a year or more and still have the viability to grow and germinate when there is a host plant. This research was carried out to determine how the influence of Actinomycetes and VAM against to damping-off disease attacks by Sclerotium rolfsii and the diversity of microorganisms in rhizosfer. Research conducted in the laboratory and screen house of Plant Protection Department of Brawijaya University Faculty of Agriculture. The observed variables are including the level of disease intensity, plant growth and crop pr...
Soil fertility degradation has been accelerated by the heavy use of inorganic fertilizers for a l... more Soil fertility degradation has been accelerated by the heavy use of inorganic fertilizers for a long time, especially in agroforestry lands of Sumbermanjing Wetan, Malang, East Java. This study was aimed to find out arbuscular mycorrhizae that can be used for improving soil fertility. This study was conducted by purposive random sampling continued by randomized block design with the measured variables were basal area, canopy, number of spores, percentage of root mycorrhizal colonization, soil pH, soil C-organic, available P, litterfall, and types of spores. The results showed that the most common type of spore found was Glomus sp. The spore populations depended on vegetation and were most commonly found in Albicia falcataria. The soil pH of agroforestry land ranged from 5.1 to 5.4, organic carbon content ranged from 3.43 to 4.04%, and available P content ranged from 7.7-9.9 kg P2O5 ha-1. Vegetation affected the soil physicochemical and biological properties.
The biological control strategy in Besur Village of Lamongan District aims to increase the divers... more The biological control strategy in Besur Village of Lamongan District aims to increase the diversity of macroorganism natural enemies, the application of biological pesticides and to increase the diversity of microorganism biological technology. Excessive application of chemical pesticides inhibits the sustainability of lowland rice. This study aims to evaluate the sustainability of lowland rice based on biological control dimensions using the Multidimensional Scaling (MDS) method. The results of the MDS analysis showed that lowland rice farming is sufficiently sustainable with an diversity of macroorganism natural enemies by 1.96; the application of biological pesticides by 3.99 and the diversity of microorganism biological technology by 2.00. The application of biological pesticides plays a very important role in the sustainability of lowland rice in Besur Village of Lamongan district. It is recommended to improve the introduction of predators, parasitoid and insect pathogens to s...
Infomasi prakiraan cuaca merupakan informasi yang penting bagi masyarakat khususnya masyarakat ya... more Infomasi prakiraan cuaca merupakan informasi yang penting bagi masyarakat khususnya masyarakat yang mata pencahariannya bergantung pada iklim seperti bidang pertanian dan perikanan. Kurangnya informasi iklim mengurangi kinerja dan produktifitas kegiatan masyarakat. Karenannya perlu diseminasi informasi oleh Stasiun Klimatologi Kelas II Karangploso Malang sebagai penyedia informasi iklim Jawa Timur berbasis web secara update. Metode pengembangan yang dilakukan adalah adalah wawancara & observasi, penentuan perlengkapan (tools) pengembangan aplikasi, analisis kebutuhan sistem, analisis dan perancangan kebutuhan perangkat lunak dan implementasi dan pengujian. Pengembangan web menggunakan content management system (CMS) yang dapat digunakan untuk melakukan proses managemen, distribusi, publikasi. Pengembangan aplikasi telah berhasil memenuhi requirements yang diharapkan oleh pihak Staklim Karangploso, berbekal dengan analisis kebutuhan, perancangan diagram, implementasi, dan pengujian.
The presence of mycorrhizae can reduce the level of poisoning caused by heavy metals in post-mini... more The presence of mycorrhizae can reduce the level of poisoning caused by heavy metals in post-mining land and support plant growth. Post-mining land is generally only a few types of mycorrhizae that can adapt, especially post-mining land. This research was conducted to determine the presence, types and distribution of mycorrhizae as well as the relationship between soil depth and mycorrhizal distribution and soil chemical properties at various depths in the rhizosphere of bull grass as the dominant vegetation in post-coal mining land. The results showed that there were arbuscular mycorrhizae at each soil depth with different population density levels, namely 273 spores 100 g-1 soil at a depth of 0 - 10 cm (K10); 239 spores 100 g-1 soil at a depth of 10 – 20 cm (K20) and 155 spores 100 g-1 soil at a depth of 20 – 30 cm (K30). The arbuscular mycorrhizae found at all soil depths are of the same type, which is included in the genus Glomus. Soil depth with the number of arbuscular mycorrh...
Differences in land use systems may resulted in different soil cover, litter input, and soil mana... more Differences in land use systems may resulted in different soil cover, litter input, and soil management practices, and consequently affect to soil nutrient stock. The study aimed to assess soil carbon (C) and nitrogen (N) storages on various soil depths from difference land use systems within UB forest. The research was conducted in UB forest, Malang-Indonesia, from April to November 2017. Soil sample was collected from four soil depths (0-0.1, 0.1-0.3, 0.3-0.5, and 0.5-1.0 m) within five land use systems, including (1) protected area; (2) pine + coffee; (3) pine + crops; (4) mahogany + coffee and (5) mahogany + crops, each with three replicate plots. Soil C and N concentrations, soil texture, and bulk density, were measured. The study showed significant difference in soil C and N storages among land use systems. In 0.5 m depth of soil, soil C and N storages was higher in protected area (64% and 53%, respectively) as compared to other land use systems. The result support clay content controls soil C and N stock, whereas vegetation determines soil N stocks. Therefore, proper management in vegetation and soil were needed to conserve soil C and N storages.
The Indonesian Green Technology Journal, Jun 10, 2013
Penelitian agregasi tanah pada beberapa penggunaan lahan dilakukan dengan tujuan mengetahui penga... more Penelitian agregasi tanah pada beberapa penggunaan lahan dilakukan dengan tujuan mengetahui pengaruh penggunaan lahan (hutan alami, agroforestri, semak belukar, dan ladang) terhadap kualitas tanah.Penelitian dilaksanakan di desa Ngabab, Kecamatan Pujon. Parameter yang diamati dalam penelitian ini adalah kemantapan agregat, ukuran agregat, C-Organik, tekstur, konduktivitas hidrolik jenuh, pori-pori tanah, dispersi liat, kepadatan perakaran, ketahanan penetrasi, dan berat isi tanah. Pengambilan sampel tanah dilakukan pada lima kedalaman yaitu 0-20 cm, 20-40 cm, 40-60 cm, 60-80 cm, dan 80-100 cm. Hasil penelitian menunjukkan bahwa tanah-tanah di Desa Ngabab, pada penggunaan lahan hutan alami, memiliki kemantapan agregat tanah yang mantap, memiliki nilai DMR paling tinggi yaitu memiliki rata-rata 2.17 mm, sedangkan tanah-tanah yang digunakan sebagai ladang memiliki kemantapan agregat paling rendah dengan rata-rata DMR 1.38 mm. Penurunan agregasi tanah tersebut berhubungan erat dengan besarnya C-Organik tanah dan perakaran tanaman. Kata kunci: pohon, agregasi tanah, Andisol
Tailings are waste (sludge) generated from various mining activities. Abundance of tailings can b... more Tailings are waste (sludge) generated from various mining activities. Abundance of tailings can be a very serious problem in soils. One method that can be used to anticipate chemical hazard is phytoremediation using hyperaccumulator. Sunflower (Helianthus annuus L.) is one of the hyperaccumulator plants. In the other way, using compost to support macro and microelements for plants in phytoremediation activities can improve the physical and chemical of soil properties. Beside of using hyperaccumulator plants and compost, inoculation of arbuscular mycorrhiza (AM) can also be used to improve plant growth. The aim of this was to explore the effects of application of compost and mycorrhizal spores of Glomus sp. to gold mine tailing on sunflower growth, and P uptake. This study used a completely randomized design factorial consisting of two primary factors. The first factor was planting media composition (M) consisting of five levels and the second factor was the mycorrhizal spore numbers (S) consisting of three levels. The results showed that the composition of planting media (25% tailings : 75% compost) and the addition of 50 mycorrhiza spores increased plant height up to 45.67 cm (42.87%), and the leaves number 9.34 (72.97%), and able to increase P uptake 2.9 g plant-1 (45,79%).
The agricultural sector is the mainstay of the economy in Central Moluccas. However, most agricul... more The agricultural sector is the mainstay of the economy in Central Moluccas. However, most agricultural soils on the island have low soil fertility. One of the efforts that farmers can make to improve soil fertility is to apply organic matter, which is widely found in Central Moluccas. This study aimed at elucidating the effect of mixing high-quality organic material (Glicidia sepium pruning) with low-quality organic material (sago pulp waste) on the improvement of available nitrogen in an acid soil (Dystrudept) and growth of maize. Two experiments were carried out in a laboratory and a greenhouse. The compositions of the mixtures of sago pulp waste (A) and pruning of Gliricidia sepium (G) were A0 G100; A20G80; A40G60; A60G40; A80G20, and A100G0. Six treatments and one control (no application of residues) were arranged in a completely randomized design. The results showed that the application of the mixture of 20% and 80% of Gliricidia sepium pruning (A20G80) increased the cumulative...
Sengon merupakan komoditas penting hutan tanaman dan jenis tanaman yang sering digunakan dalam ra... more Sengon merupakan komoditas penting hutan tanaman dan jenis tanaman yang sering digunakan dalam rangka pemanfaatn lahan marjinal dan kritis bagi tujuan produksi kayu. Di lain pihak pemanfaatan lahan kering bagi pengembangan berbagai jenis tanaman produktif di Indonesia sering dijumpai kendala berupa tingkat kesuburan tanah yang rendah dan periode kekeringan yang relatif panjang. Jamur mikoriza telah terbukti mampu mengatasi cekaman kekeringan pada berbagai jenis tanaman sekaligus meningkatkan kesuburan tanah terutama dalam hal ketersediaan nutrisi serta mendorong meningkatnya aktivitas biologi tanah. Pemanfaatan jamur mikoriza VA berpotensi membantu tanaman sengon dalam mengatasi kendala rendahnya ketersediaan N, P, K, Ca dan berbagai unsur mikro lainnya, meningkatkan ketahanan tanaman terhadap kekeringan, menyediakan senyawa-senyawa perangsang pertumbuhan, merangsang aktivitas bakteri Rhizobium dan bakteri pelarut fosfat, memperbaiki struktur dan agregat tanah. Tanaman sengon yang b...
Sidoarjo’s mud soil is a type of soils formed from the mud came out at the former oil drilling of... more Sidoarjo’s mud soil is a type of soils formed from the mud came out at the former oil drilling of Lapindo Brantas Limited Company.Albizian (Samanea saman Merr) is a type of plant that is often developed for environmental management. This research’s objective is to investigate the effect of Sidoarjo’s mud soil toward the growth of albizian. Sidoarjo’s mud soil was dried, pulverized and sieved with a sieve with size of 2 mm then analyzed for characteristics. The sample of the Sidoarjo’s mud soil was mixed with rice husks, compost and cow manure then incubated for 5 weeks. A hundred grams samples were analyzed for chemical, physical and biological characteristics. The albizian seeds on age 2 weeks were planted on media in the polybag. The results of the research showed that the treatment of M2 produced the best growth of albizian compared to other treatments. The growth of albizian on M2 treatment produced the plant height of 29.3cm, stem diameter of 0.48cm, leaves number of 15.8cm, ro...
The research aimed to know growth of maize and soil moisture retention of the Luro-Entisol by app... more The research aimed to know growth of maize and soil moisture retention of the Luro-Entisol by application of organic matter. Field research was carried out in the Odofuro / Luro Timor Leste, analysis of soil samples was done in the Soil Physics Laboratory, Soil Science Department, Faculty of Agriculture, University of Brawijaya, and Malang. Field experiment used the split plot design, consisting of two factors and four replications, resulting in 24 units of experiments. The first factor is organic matter (P) consisting of cow manure (P1) and sheep manure (P2), and the second factor is dosage of manure, including without fertilizer (D0), manure 5 tons ha-1 (D1) and manure of 10 tons ha-1. Results showed that dosage of manure has significantly effects on plant height, stem diameter, fresh weight and dry weight of stalk, but not significant effected the soil particle density, soil bulk density, total soil porosity and soil moisture.
Background: The study of the moisture balance can be used to suppose the plants water requirement... more Background: The study of the moisture balance can be used to suppose the plants water requirement and the plants water use efficiency. The moisture balance influenced by climate factor, therefore climate change can affect the moisture balance especially in rainfed. Therefore, an effort is needed to manage soil moisture in rainfed as a climate change mitigation measure: soil and water conservation. This study aimed to determine the influence of soil and water conservation on the moisture balance in the coffee root zone. Methods: This study was conducted at people’s coffee plantation of Argotirto village, Sumbermanjing Wetan District, Malang Regency, located between 8.2411-8.1443 S and 112.4031-112.4634 E. Observation were made on February to November 2020, divided into observations in the wet season, dry seasons and flowering period. The observation plots consisted of terraced plot (P0), terraced + straight silt pit (P1), terraced + L-shaped silt pit (P2) and terrace + biopore (P3). ...
Mycorrhizae is a symbiotic relationship between fungi and plant roots that is mutually beneficial... more Mycorrhizae is a symbiotic relationship between fungi and plant roots that is mutually beneficial. Mycorrhizae can be found in almost all soil types and generally do not have a specific host, but certain factors affect the population level and composition of arbuscular mycorrhizal species, such as plant characteristics and soil chemical properties. This study aimed to determine the density of spores and the percentage of mycorrhizal colonies on several food crops on agricultural land in Jabung District and their relationship to soil chemical properties such as pH, organic-C and available P. The research was conducted from February 2021 to October 2021. Sampling was carried out by purposive sampling based on the grouping of food plant species with six replications. Laboratory analysis was conducted in Biology and Chemical Laboratory, Department of Soil Science, Faculty of Agriculture, Brawijaya University. The results showed that the number of mycorrhizae spores per 100 g of soil was...
Iron toxicity is a widespread nutrient disorder in lowland crop production, notably in lowland ac... more Iron toxicity is a widespread nutrient disorder in lowland crop production, notably in lowland acid soils, swampy lands, coastal swamps and irrigated lowlands of Ultisols and Oxisols. It occurs only in flooded soils when the soil contains excessive amounts of iron. This excessive iron in soil has antagonistic effects on the uptake of many essential nutrients, poor growth and consequently yields reduction. The objective of this work was to evaluate the effects of different iron concentrations on growth characteristics and nutrient uptake of three pineapple clones ( Ananas comosus L. Merr .). The experiment was held in a greenhouse of Research and Development Department of Great Giant Pineapple Company on December 2014 until March 2015. A randomize complete factorial design with two factors and four replications were used in this study. The first factor was pineapple clones (GP1, GP3, and F180) and second factor was iron concentration. Different amounts of iron as second factor 5 (con...
Changes in the condition of aquatic environment are now a major problem for the survival of every... more Changes in the condition of aquatic environment are now a major problem for the survival of every organism caused by changes in land use, human activities, and agriculture. This study aims to determine the structure of macroinvertebrate communities. In addition, this study also aims to conduct analysis on BMWP index and water quality testing using physical and chemical parameters. This study was conducted on tertiary channels in Songka Sub-District, Palopo City. Each station's data collection covered relative density, macroinvertebrates that were found were assessed using BMWP index, then they were calculated using ASPT index. The results of this study found 17 taxa classified in the class of gastropods, insecta, bivalvia, malacostraca, citellata, oligochaeta and hirudenia. The results of BMWP index modification analysis from all stations found that ASPT value was "quite-poor" and "bad". It was indicated that in each station was mainly dominated by Oligochaeta worms and tolerant macroinvertebrates. Testing of physical and chemical parameters obtained DO value which belonged to class II of water quality. The low DO value caused high BOD value, which was classified in class III. The high value of BOD had an effect on the rise of COD value, the increase of COD value was caused by the high amount of organic and inorganic materials entering the water. PH value was relatively normal with the range of 6.3 to 6.8, temperature was in the range of 27.1°C to 28°C, the rise in temperature value was influenced by tree shade and the intensity of sunlight.
Analysis of the phenolics, flavonoids and tannins compounds has been done on water hyacinth leave... more Analysis of the phenolics, flavonoids and tannins compounds has been done on water hyacinth leaves (Eichornia crassipessolms). The research was carried out in several stages, including: sample preparation, maceration extraction, and evaporation. The total phenolics constituted analysis by Folin Ciocalteu 50%, flavonoidss by using aluminium chloride 2% in ethanol, and tannins by using vanillin 4% solution in methanol, continued by using ultra violet visible spectrophotometry (UV-Vis) methods. The analysis showed that the phenolics content of water hyacinth with methanol 60% equal to gallic acid 2.72 mg /kg is the highest phenolics content, and the lowest phenolics by distilled water equal to gallic acid 1.07 mg /kg and the flavonoids with methanol 80% equal to 3.29 mg quercetin/kg is the highest flavonoids content, and the lowest by the distilled water of quercetin 1.65 mg /kg and the highest condensed tannins content by methanol 80% of 0.7 mg/kg catechin
Different types of vegetation have the potential to affect a type of spore, the number of spores,... more Different types of vegetation have the potential to affect a type of spore, the number of spores, and the level of colonization in the roots. This study aims to determine the diversity of genus and the number of arbuscular mycorrhizal spores as well as the level of colonization in the vegetation of Bull Grass (Paspalum conjugatum Berg), Kemunting (Rhodomyrtus tomentosa), and Kirinyuh (Chromolaena odorata L) on post-coal mining land in Margomulyo Village, Kutai Kartanegara, Kalimantan. East. The research was conducted from February to October 2020. Sampling was carried out by purposive sampling based on the land cover area of the Bull grass, Kemunting, and Kirinyuh vegetation with four replications. Laboratory analysis was conducted in Biology Laboratory, Department of Soil Science, Faculty of Agriculture, Brawijaya University and chemical analysis of soil at the Laboratory of Soil, Faculty of Agriculture, University of Muhammadiyah Malang. The results showed that the genus Glomus wa...
In Indonesia, amount of biodiversity could be found including soil microorganism which were usefu... more In Indonesia, amount of biodiversity could be found including soil microorganism which were useful for sustainable agriculture. Everything lives in agricultural land were interacts and influences each others. Many factors of biotic and a-biotic environment such as land and climate fluctuation influences microbial expansion within the soils. For example arbuscular mycorrhiza (AM) which was formed by myches (fungus) and root of higher plant maybe fluctuated in the expansion due to the soil tillage. Land management and the present higher plant affected its growth and expansion. Mycorrhizae spores as one of the important generative form of various species in the difference host plant. The implication of different host plant often close related to the soil management and properties. Soil sample that was collected from various host plant in the fields or bare land have been found varied spores. Andisols and its properties conserve higher organic matter relatively and developed in the cold...
The study of vermicomposting optimization of organic waste aimed to produce vermicompost from urb... more The study of vermicomposting optimization of organic waste aimed to produce vermicompost from urban raw waste, and to select one of three kinds of worm which had significant effect in the production of vermicompost. The writers conducted a research during June to August 2012, by treating three varieties of worm named: G1 = Lumbricus rubellus; G2 = Lumbricus terrestris; G3 = Eisenia foetida, and used Fully Randomized Design (FRD) for each type of worms. The research variables were C/N ratio, C organic, N, P¬2O5, and K2O. The writers analysed the vermicompost treatment results in the laboratory, followed by ANOVA. The researchers used gentong (barrel-shaped potteries) as a research tool; and obtained organic waste materials from the local landfill. The result showed that it was possible to produce organic fertilizer from urban waste materials with vermicomposting process using Lumbricus rubellus, Lumbricus terrestris and Eisenia foetida. Moreover, apparently, Lumbricus rubellus had th...
One of the obstacles in the efforts to increase national soybean production is the presence of a ... more One of the obstacles in the efforts to increase national soybean production is the presence of a disease outbreak such as damping-off that caused by Sclerotium rolfsii. In the province of East Java, the intensity of S. Rolfsii reached 8.61% that spread all over Indonesia, even in our neighbor countries such as Malaysia, Thailand and the Philippines. The main onstraints in damping-off disease control is the ability of the pathogen to form sclerotium, which make can survive in a year or more and still have the viability to grow and germinate when there is a host plant. This research was carried out to determine how the influence of Actinomycetes and VAM against to damping-off disease attacks by Sclerotium rolfsii and the diversity of microorganisms in rhizosfer. Research conducted in the laboratory and screen house of Plant Protection Department of Brawijaya University Faculty of Agriculture. The observed variables are including the level of disease intensity, plant growth and crop pr...
Soil fertility degradation has been accelerated by the heavy use of inorganic fertilizers for a l... more Soil fertility degradation has been accelerated by the heavy use of inorganic fertilizers for a long time, especially in agroforestry lands of Sumbermanjing Wetan, Malang, East Java. This study was aimed to find out arbuscular mycorrhizae that can be used for improving soil fertility. This study was conducted by purposive random sampling continued by randomized block design with the measured variables were basal area, canopy, number of spores, percentage of root mycorrhizal colonization, soil pH, soil C-organic, available P, litterfall, and types of spores. The results showed that the most common type of spore found was Glomus sp. The spore populations depended on vegetation and were most commonly found in Albicia falcataria. The soil pH of agroforestry land ranged from 5.1 to 5.4, organic carbon content ranged from 3.43 to 4.04%, and available P content ranged from 7.7-9.9 kg P2O5 ha-1. Vegetation affected the soil physicochemical and biological properties.
The biological control strategy in Besur Village of Lamongan District aims to increase the divers... more The biological control strategy in Besur Village of Lamongan District aims to increase the diversity of macroorganism natural enemies, the application of biological pesticides and to increase the diversity of microorganism biological technology. Excessive application of chemical pesticides inhibits the sustainability of lowland rice. This study aims to evaluate the sustainability of lowland rice based on biological control dimensions using the Multidimensional Scaling (MDS) method. The results of the MDS analysis showed that lowland rice farming is sufficiently sustainable with an diversity of macroorganism natural enemies by 1.96; the application of biological pesticides by 3.99 and the diversity of microorganism biological technology by 2.00. The application of biological pesticides plays a very important role in the sustainability of lowland rice in Besur Village of Lamongan district. It is recommended to improve the introduction of predators, parasitoid and insect pathogens to s...
Infomasi prakiraan cuaca merupakan informasi yang penting bagi masyarakat khususnya masyarakat ya... more Infomasi prakiraan cuaca merupakan informasi yang penting bagi masyarakat khususnya masyarakat yang mata pencahariannya bergantung pada iklim seperti bidang pertanian dan perikanan. Kurangnya informasi iklim mengurangi kinerja dan produktifitas kegiatan masyarakat. Karenannya perlu diseminasi informasi oleh Stasiun Klimatologi Kelas II Karangploso Malang sebagai penyedia informasi iklim Jawa Timur berbasis web secara update. Metode pengembangan yang dilakukan adalah adalah wawancara & observasi, penentuan perlengkapan (tools) pengembangan aplikasi, analisis kebutuhan sistem, analisis dan perancangan kebutuhan perangkat lunak dan implementasi dan pengujian. Pengembangan web menggunakan content management system (CMS) yang dapat digunakan untuk melakukan proses managemen, distribusi, publikasi. Pengembangan aplikasi telah berhasil memenuhi requirements yang diharapkan oleh pihak Staklim Karangploso, berbekal dengan analisis kebutuhan, perancangan diagram, implementasi, dan pengujian.
The presence of mycorrhizae can reduce the level of poisoning caused by heavy metals in post-mini... more The presence of mycorrhizae can reduce the level of poisoning caused by heavy metals in post-mining land and support plant growth. Post-mining land is generally only a few types of mycorrhizae that can adapt, especially post-mining land. This research was conducted to determine the presence, types and distribution of mycorrhizae as well as the relationship between soil depth and mycorrhizal distribution and soil chemical properties at various depths in the rhizosphere of bull grass as the dominant vegetation in post-coal mining land. The results showed that there were arbuscular mycorrhizae at each soil depth with different population density levels, namely 273 spores 100 g-1 soil at a depth of 0 - 10 cm (K10); 239 spores 100 g-1 soil at a depth of 10 – 20 cm (K20) and 155 spores 100 g-1 soil at a depth of 20 – 30 cm (K30). The arbuscular mycorrhizae found at all soil depths are of the same type, which is included in the genus Glomus. Soil depth with the number of arbuscular mycorrh...
Differences in land use systems may resulted in different soil cover, litter input, and soil mana... more Differences in land use systems may resulted in different soil cover, litter input, and soil management practices, and consequently affect to soil nutrient stock. The study aimed to assess soil carbon (C) and nitrogen (N) storages on various soil depths from difference land use systems within UB forest. The research was conducted in UB forest, Malang-Indonesia, from April to November 2017. Soil sample was collected from four soil depths (0-0.1, 0.1-0.3, 0.3-0.5, and 0.5-1.0 m) within five land use systems, including (1) protected area; (2) pine + coffee; (3) pine + crops; (4) mahogany + coffee and (5) mahogany + crops, each with three replicate plots. Soil C and N concentrations, soil texture, and bulk density, were measured. The study showed significant difference in soil C and N storages among land use systems. In 0.5 m depth of soil, soil C and N storages was higher in protected area (64% and 53%, respectively) as compared to other land use systems. The result support clay content controls soil C and N stock, whereas vegetation determines soil N stocks. Therefore, proper management in vegetation and soil were needed to conserve soil C and N storages.
The Indonesian Green Technology Journal, Jun 10, 2013
Penelitian agregasi tanah pada beberapa penggunaan lahan dilakukan dengan tujuan mengetahui penga... more Penelitian agregasi tanah pada beberapa penggunaan lahan dilakukan dengan tujuan mengetahui pengaruh penggunaan lahan (hutan alami, agroforestri, semak belukar, dan ladang) terhadap kualitas tanah.Penelitian dilaksanakan di desa Ngabab, Kecamatan Pujon. Parameter yang diamati dalam penelitian ini adalah kemantapan agregat, ukuran agregat, C-Organik, tekstur, konduktivitas hidrolik jenuh, pori-pori tanah, dispersi liat, kepadatan perakaran, ketahanan penetrasi, dan berat isi tanah. Pengambilan sampel tanah dilakukan pada lima kedalaman yaitu 0-20 cm, 20-40 cm, 40-60 cm, 60-80 cm, dan 80-100 cm. Hasil penelitian menunjukkan bahwa tanah-tanah di Desa Ngabab, pada penggunaan lahan hutan alami, memiliki kemantapan agregat tanah yang mantap, memiliki nilai DMR paling tinggi yaitu memiliki rata-rata 2.17 mm, sedangkan tanah-tanah yang digunakan sebagai ladang memiliki kemantapan agregat paling rendah dengan rata-rata DMR 1.38 mm. Penurunan agregasi tanah tersebut berhubungan erat dengan besarnya C-Organik tanah dan perakaran tanaman. Kata kunci: pohon, agregasi tanah, Andisol
Tailings are waste (sludge) generated from various mining activities. Abundance of tailings can b... more Tailings are waste (sludge) generated from various mining activities. Abundance of tailings can be a very serious problem in soils. One method that can be used to anticipate chemical hazard is phytoremediation using hyperaccumulator. Sunflower (Helianthus annuus L.) is one of the hyperaccumulator plants. In the other way, using compost to support macro and microelements for plants in phytoremediation activities can improve the physical and chemical of soil properties. Beside of using hyperaccumulator plants and compost, inoculation of arbuscular mycorrhiza (AM) can also be used to improve plant growth. The aim of this was to explore the effects of application of compost and mycorrhizal spores of Glomus sp. to gold mine tailing on sunflower growth, and P uptake. This study used a completely randomized design factorial consisting of two primary factors. The first factor was planting media composition (M) consisting of five levels and the second factor was the mycorrhizal spore numbers (S) consisting of three levels. The results showed that the composition of planting media (25% tailings : 75% compost) and the addition of 50 mycorrhiza spores increased plant height up to 45.67 cm (42.87%), and the leaves number 9.34 (72.97%), and able to increase P uptake 2.9 g plant-1 (45,79%).
The agricultural sector is the mainstay of the economy in Central Moluccas. However, most agricul... more The agricultural sector is the mainstay of the economy in Central Moluccas. However, most agricultural soils on the island have low soil fertility. One of the efforts that farmers can make to improve soil fertility is to apply organic matter, which is widely found in Central Moluccas. This study aimed at elucidating the effect of mixing high-quality organic material (Glicidia sepium pruning) with low-quality organic material (sago pulp waste) on the improvement of available nitrogen in an acid soil (Dystrudept) and growth of maize. Two experiments were carried out in a laboratory and a greenhouse. The compositions of the mixtures of sago pulp waste (A) and pruning of Gliricidia sepium (G) were A0 G100; A20G80; A40G60; A60G40; A80G20, and A100G0. Six treatments and one control (no application of residues) were arranged in a completely randomized design. The results showed that the application of the mixture of 20% and 80% of Gliricidia sepium pruning (A20G80) increased the cumulative...
Sengon merupakan komoditas penting hutan tanaman dan jenis tanaman yang sering digunakan dalam ra... more Sengon merupakan komoditas penting hutan tanaman dan jenis tanaman yang sering digunakan dalam rangka pemanfaatn lahan marjinal dan kritis bagi tujuan produksi kayu. Di lain pihak pemanfaatan lahan kering bagi pengembangan berbagai jenis tanaman produktif di Indonesia sering dijumpai kendala berupa tingkat kesuburan tanah yang rendah dan periode kekeringan yang relatif panjang. Jamur mikoriza telah terbukti mampu mengatasi cekaman kekeringan pada berbagai jenis tanaman sekaligus meningkatkan kesuburan tanah terutama dalam hal ketersediaan nutrisi serta mendorong meningkatnya aktivitas biologi tanah. Pemanfaatan jamur mikoriza VA berpotensi membantu tanaman sengon dalam mengatasi kendala rendahnya ketersediaan N, P, K, Ca dan berbagai unsur mikro lainnya, meningkatkan ketahanan tanaman terhadap kekeringan, menyediakan senyawa-senyawa perangsang pertumbuhan, merangsang aktivitas bakteri Rhizobium dan bakteri pelarut fosfat, memperbaiki struktur dan agregat tanah. Tanaman sengon yang b...
Sidoarjo’s mud soil is a type of soils formed from the mud came out at the former oil drilling of... more Sidoarjo’s mud soil is a type of soils formed from the mud came out at the former oil drilling of Lapindo Brantas Limited Company.Albizian (Samanea saman Merr) is a type of plant that is often developed for environmental management. This research’s objective is to investigate the effect of Sidoarjo’s mud soil toward the growth of albizian. Sidoarjo’s mud soil was dried, pulverized and sieved with a sieve with size of 2 mm then analyzed for characteristics. The sample of the Sidoarjo’s mud soil was mixed with rice husks, compost and cow manure then incubated for 5 weeks. A hundred grams samples were analyzed for chemical, physical and biological characteristics. The albizian seeds on age 2 weeks were planted on media in the polybag. The results of the research showed that the treatment of M2 produced the best growth of albizian compared to other treatments. The growth of albizian on M2 treatment produced the plant height of 29.3cm, stem diameter of 0.48cm, leaves number of 15.8cm, ro...
The research aimed to know growth of maize and soil moisture retention of the Luro-Entisol by app... more The research aimed to know growth of maize and soil moisture retention of the Luro-Entisol by application of organic matter. Field research was carried out in the Odofuro / Luro Timor Leste, analysis of soil samples was done in the Soil Physics Laboratory, Soil Science Department, Faculty of Agriculture, University of Brawijaya, and Malang. Field experiment used the split plot design, consisting of two factors and four replications, resulting in 24 units of experiments. The first factor is organic matter (P) consisting of cow manure (P1) and sheep manure (P2), and the second factor is dosage of manure, including without fertilizer (D0), manure 5 tons ha-1 (D1) and manure of 10 tons ha-1. Results showed that dosage of manure has significantly effects on plant height, stem diameter, fresh weight and dry weight of stalk, but not significant effected the soil particle density, soil bulk density, total soil porosity and soil moisture.
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