Journal of Bioscience and Agriculture Research, 2016
Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conduct... more Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conducted in the newly accreted lands at Rangabali under Patuakhali and Char Kukri-Mukri under Bhola district to assess the variation of growth and wood production of the species planted in 2007 and 2009. Data on survival, tree height and diameter at breast height (dbh) were recorded from 7 and 5 years old two trial plantations. Significantly greater height of 12.54m and 12.09m and greater dbh of 15.58cm and 14.56cm were recorded for best trees seed source at Char Kukri-Mukri and Rangabali sites respectively at the age of 7 years. Similarly, significantly greater height of 11.88m and 11.57m and greater dbh of 14.55cm and 13.44cm were recorded for best trees seed source at the age of 5 years in Char Kukri-Mukri and Rangabali sites respectively. Significantly greater wood volumes of 38.09 m 3 /ha/year and 37.50 m 3 /ha/year were produced by plantations of best trees seed source in both Char Kukri-Mukri and Rangabali sites respectively at the age of 7 years. The lowest growth and wood production were shown in the plantations raised from seeds of mass collection in both the years. Therefore, large scale plantations of S. apetala can be raised by using seedlings of best trees seeds for obtaining maximum growth and yield of coastal mangrove forest.
Journal of the Asiatic Society of Bangladesh, Science, 2013
In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a... more In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a total of 69 tree species was recorded from the homegardens, of which 32 were fruit tree and 37 were timber tree species. Among the fruit tree species, coconut, betel nut, mango, jackfruit, guava, velvety apple were found in more than 80% households. The stocking of fruit trees per homestead was found highest for betel nut (265) followed by velvety apple (212), mango (38) coconut (25), jackfruit (20) and guava (9). Among the timber tree species, rain tree, mehogoni, raj koroi were most prevalent and found in more than 65% homesteads. The stocking of timber trees/ homestead was found highest for mehogoni (79) and then for rain tree (57), raj koroi (29) and katbadam (6). J. Asiat. Soc. Bangladesh, Sci. 39(1): 83-94, June 2013 DOI: http://dx.doi.org/10.3329/jasbs.v39i1.16037
Journal of the Asiatic Society of Bangladesh, Science
Bamboo has been introduced to coastal raised land under the Sonneratia apetala plantation and gre... more Bamboo has been introduced to coastal raised land under the Sonneratia apetala plantation and grew barren land in inundated areas in the western coastal belt of Bangladesh. This study aimed to quantify the bamboo growth in inundated areas at minimound, plain land, and barren land and under the S. apetala plantation and characterize the impact of inundation, soil pH, and soil salinity. The experimental plantation was carried out by B. vulgaris and B. balcooa on a mini-mound on barren coastal raised land in 2018. Other experiments of B. vulgaris were carried out on mini-mound and plain land under the S. apetala plantation in 2019 and 2020. Seedlings were raised by branch cutting. Mini mounds were prepared with soil. The soil sample was collected at different depths in off-peak and peak periods to determine soil pH, electrical conductivity (dsm-1), and nitrogen%. The growth of B. vulgaris in survival (p-value 0.0004) and new culms initiation% (p-value 0.0068) were significantly higher ...
An elimination trial with eleven mangrove species was conducted inside Sonneratia apetala Buch.Ha... more An elimination trial with eleven mangrove species was conducted inside Sonneratia apetala Buch.Ham. plantations at Rangabali island of Patuakhali district and Char Kukri-Mukri island of Bhola district, Bangladesh to observe the site-suitability and growth performance of the species. The data on survival, height and diameter growth were recorded from 21 years old matured experimental stands. Some mangrove species showed promising growth performance in the coastal belt. The highest survival was found in Aegiceras corniculatum followed by Phoenix paludosa, Excoecaria agallocha, Heritiera fomes and Xylocarpus mekongensis at Rangabali island. In the Char Kukri-Mukri island, the highest survival was recorded for E. agallocha followed by P. paludosa, A. corniculatum, H. fomes and X. mekongensis. Considering the height and diameter growth, the most promising species was E. agallocha and then X. mekongensis, A. corniculatum, H. fomes and P. paludosa in both the islands. Therefore, these mang...
Two trials were conducted to assess the site-suitability and growth performance of ten woody medi... more Two trials were conducted to assess the site-suitability and growth performance of ten woody medicinal tree species planted in the year of 2014 and 2015 at two different sites namely Bogachater of Sitakundu upazilla and Bamansunder of Mirershorai upazilla under Chittagong district (eastern coastal belt). Data on survival, height, collar diameter, dbh, stem length and number of branch were recorded from 02 years and 01 year old two trial plantations. In Bogachater site, the result revealed that the highest survival was recorded for Terminalia catappa (89%) followed by Terminalia arjuna (78%), Azadirachta indica (70%), Terminalia belerica (66%) and Anthocephalus chinensis (64%). The highest height was recorded for Acacia catechu (3.06m) followed by A. chinensis (2.63m), Bombax ceiba (1.93m), T. arjuna (1.89 m) and T. catappa (1.82m). The highest collar diameter was found in A. chinensis (5.93cm) followed by A. catechu (4.97cm), T. arjuna (4.27cm), B. ceiba (4.23cm) and T. catappa (3.1...
Trials were conducted in the rural homesteads to assess the propagation and growth performance of... more Trials were conducted in the rural homesteads to assess the propagation and growth performance of Calamus tenuis (jali bet) planted in the year 2010 and 2011 at 5 different sites, namely Char Kukri-Mukri (Bhola), Rangabali (Patuakhali), Char Osman (Noakhali), Sitakundu (Chittagong) and Kolatoli (Cox’s Bazar) in the coastal belt of Bangladesh. Data on survival, stem height, diameter, shoot production etc. were recorded from 4.5 years old and 3.5 years old two trial plantations. Result showed that the significantly greater stem height was recorded of 13.03m at Rangabali, greater diameter was 1.53cm at Cox’s Bazar and the greater number of shoots per clump was 27.45 at Char Kukri-Mukri site at the age of 4.5 years raised in 2010. In another experiment raised in 2011, the significantly greater height was 14.44m and the greater number of shoots produced per clump was 19.40 recorded from Rangabali site at the age of 3.5 years. The luxuriant stem growth was recorded from Char Kukri-Mukri a...
An experiment was conducted to assess the effect of NPK fertilizers on seedling growth and surviv... more An experiment was conducted to assess the effect of NPK fertilizers on seedling growth and survival of five important mangrove species of Bangladesh for nine months. Seedlings were raised in the nursery using plastic pots. NPK fertilizers with three treatments (control, 4 gm and 8 gm doses) were used two times when seedlings age was 3 and 6 months. The result showed that seedlings height growth of Excoecaria agallocha was enhanced significantly with the application of NPK fertilizers but it was shown negatively significant effect on height growth of Xylocarpus mekongensis after second time fertilizer application. Moreover, NPK application enhanced mortality of Avicennia officinalis and Ceriops decandra seedlings in both times of fertilizer application. But no effect of NPK fertilizers on seedlings growth and survival of Heritiera fomes were observed.
An underplanting trial with eleven mangrove species were conducted in Sonneratia apetala plantati... more An underplanting trial with eleven mangrove species were conducted in Sonneratia apetala plantations at Rangabali island of Patuakhali district and Char Kukri-Mukri island of Bhola district, Bangladesh to observe the site-suitability and growth performance of the species. The data on survival, height and diameter growth were recorded from 21 years old matured experimental stands. Some mangrove species showed promising growth performance in the coastal belt. The highest survival was found in Aegiceras corniculatum followed by Phoenix paludosa, Excoecaria agallocha, Heritiera fomes and Xylocarpus mekongensis at Rangabali, and the highest survival in E. agallocha followed by P. paludosa, A. corniculatum, H. fomes and X. mekongensis at Char Kukri-Mukri. According to height and diameter growth, the most promising species were E. agallocha and then X. mekongensis, A. corniculatum, H. fomes and P. paludosa in both islands. Therefore, these mangrove species are suitable for raising second r...
Considering the sustainability of coastal forests, a trial with 13 mainland tree species was cond... more Considering the sustainability of coastal forests, a trial with 13 mainland tree species was conducted at Rangabali island of Patuakhali district and Char Kukri-Mukri island of Bhola district to observe the site-suitability and growth performance of the species. Another experiment of 4 palm species was conducted in a foreshore area at Char KukriMukri island. On the basis of survival, height and diameter growth, Samanea saman (Jacq.) Merr. (rain tree), Casuarina equisetifolia Forst. (jhao), Pithecellobium dulce Benth. (payra), Albizia lebbeck (L.) Benth. (kala koroi) and Albizia procera (Roxb.) Benth. (sada koroi) at Rangabali; and P. dulce, Acacia nilotica (L.) Willd. (babla), S. saman and C. equisetifolia at Char Kukri-Mukri were found promising. Among the palm species, Cocos nucifera L. (coconut), Phoenix sylvestris Roxb. (date palm) and Borassus flabellifer L. (palmyra palm) showed good growth performance in the foreshore area. Therefore, these promising mainland trees and palm s...
Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conduct... more Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conducted in the newly accreted lands at Rangabali under Patuakhali and Char Kukri-Mukri under Bhola district to assess the variation of growth and wood production of the species planted in 2007 and 2009. Data on survival, tree height and diameter at breast height (dbh) were recorded from 7 and 5 years old two trial plantations. Significantly greater height of 12.54m and 12.09m and greater dbh of 15.58cm and 14.56cm were recorded for best trees seed source at Char Kukri-Mukri and Rangabali sites respectively at the age of 7 years. Similarly, significantly greater height of 11.88m and 11.57m and greater dbh of 14.55cm and 13.44cm were recorded for best trees seed source at the age of 5 years in Char Kukri-Mukri and Rangabali sites respectively. Significantly greater wood volumes of 38.09 m 3 /ha/year and 37.50 m 3 /ha/year were produced by plantations of best trees seed source in both Char Kukri...
In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a... more In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a total of 69 tree species was recorded from the homegardens, of which 32 were fruit tree and 37 were timber tree species. Among the fruit tree species, coconut, betel nut, mango, jackfruit, guava, velvety apple were found in more than 80% households. The stocking of fruit trees per homestead was found highest for betel nut (265) followed by velvety apple (212), mango (38) coconut (25), jackfruit (20) and guava (9). Among the timber tree species, rain tree, mehogoni, raj koroi were most prevalent and found in more than 65% homesteads. The stocking of timber trees/ homestead was found highest for mehogoni (79) and then for rain tree (57), raj koroi (29) and katbadam (6).
Journal of Bioscience and Agriculture Research, 2016
Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conduct... more Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conducted in the newly accreted lands at Rangabali under Patuakhali and Char Kukri-Mukri under Bhola district to assess the variation of growth and wood production of the species planted in 2007 and 2009. Data on survival, tree height and diameter at breast height (dbh) were recorded from 7 and 5 years old two trial plantations. Significantly greater height of 12.54m and 12.09m and greater dbh of 15.58cm and 14.56cm were recorded for best trees seed source at Char Kukri-Mukri and Rangabali sites respectively at the age of 7 years. Similarly, significantly greater height of 11.88m and 11.57m and greater dbh of 14.55cm and 13.44cm were recorded for best trees seed source at the age of 5 years in Char Kukri-Mukri and Rangabali sites respectively. Significantly greater wood volumes of 38.09 m 3 /ha/year and 37.50 m 3 /ha/year were produced by plantations of best trees seed source in both Char Kukri-Mukri and Rangabali sites respectively at the age of 7 years. The lowest growth and wood production were shown in the plantations raised from seeds of mass collection in both the years. Therefore, large scale plantations of S. apetala can be raised by using seedlings of best trees seeds for obtaining maximum growth and yield of coastal mangrove forest.
Journal of the Asiatic Society of Bangladesh, Science, 2013
In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a... more In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a total of 69 tree species was recorded from the homegardens, of which 32 were fruit tree and 37 were timber tree species. Among the fruit tree species, coconut, betel nut, mango, jackfruit, guava, velvety apple were found in more than 80% households. The stocking of fruit trees per homestead was found highest for betel nut (265) followed by velvety apple (212), mango (38) coconut (25), jackfruit (20) and guava (9). Among the timber tree species, rain tree, mehogoni, raj koroi were most prevalent and found in more than 65% homesteads. The stocking of timber trees/ homestead was found highest for mehogoni (79) and then for rain tree (57), raj koroi (29) and katbadam (6). J. Asiat. Soc. Bangladesh, Sci. 39(1): 83-94, June 2013 DOI: http://dx.doi.org/10.3329/jasbs.v39i1.16037
Journal of the Asiatic Society of Bangladesh, Science
Bamboo has been introduced to coastal raised land under the Sonneratia apetala plantation and gre... more Bamboo has been introduced to coastal raised land under the Sonneratia apetala plantation and grew barren land in inundated areas in the western coastal belt of Bangladesh. This study aimed to quantify the bamboo growth in inundated areas at minimound, plain land, and barren land and under the S. apetala plantation and characterize the impact of inundation, soil pH, and soil salinity. The experimental plantation was carried out by B. vulgaris and B. balcooa on a mini-mound on barren coastal raised land in 2018. Other experiments of B. vulgaris were carried out on mini-mound and plain land under the S. apetala plantation in 2019 and 2020. Seedlings were raised by branch cutting. Mini mounds were prepared with soil. The soil sample was collected at different depths in off-peak and peak periods to determine soil pH, electrical conductivity (dsm-1), and nitrogen%. The growth of B. vulgaris in survival (p-value 0.0004) and new culms initiation% (p-value 0.0068) were significantly higher ...
An elimination trial with eleven mangrove species was conducted inside Sonneratia apetala Buch.Ha... more An elimination trial with eleven mangrove species was conducted inside Sonneratia apetala Buch.Ham. plantations at Rangabali island of Patuakhali district and Char Kukri-Mukri island of Bhola district, Bangladesh to observe the site-suitability and growth performance of the species. The data on survival, height and diameter growth were recorded from 21 years old matured experimental stands. Some mangrove species showed promising growth performance in the coastal belt. The highest survival was found in Aegiceras corniculatum followed by Phoenix paludosa, Excoecaria agallocha, Heritiera fomes and Xylocarpus mekongensis at Rangabali island. In the Char Kukri-Mukri island, the highest survival was recorded for E. agallocha followed by P. paludosa, A. corniculatum, H. fomes and X. mekongensis. Considering the height and diameter growth, the most promising species was E. agallocha and then X. mekongensis, A. corniculatum, H. fomes and P. paludosa in both the islands. Therefore, these mang...
Two trials were conducted to assess the site-suitability and growth performance of ten woody medi... more Two trials were conducted to assess the site-suitability and growth performance of ten woody medicinal tree species planted in the year of 2014 and 2015 at two different sites namely Bogachater of Sitakundu upazilla and Bamansunder of Mirershorai upazilla under Chittagong district (eastern coastal belt). Data on survival, height, collar diameter, dbh, stem length and number of branch were recorded from 02 years and 01 year old two trial plantations. In Bogachater site, the result revealed that the highest survival was recorded for Terminalia catappa (89%) followed by Terminalia arjuna (78%), Azadirachta indica (70%), Terminalia belerica (66%) and Anthocephalus chinensis (64%). The highest height was recorded for Acacia catechu (3.06m) followed by A. chinensis (2.63m), Bombax ceiba (1.93m), T. arjuna (1.89 m) and T. catappa (1.82m). The highest collar diameter was found in A. chinensis (5.93cm) followed by A. catechu (4.97cm), T. arjuna (4.27cm), B. ceiba (4.23cm) and T. catappa (3.1...
Trials were conducted in the rural homesteads to assess the propagation and growth performance of... more Trials were conducted in the rural homesteads to assess the propagation and growth performance of Calamus tenuis (jali bet) planted in the year 2010 and 2011 at 5 different sites, namely Char Kukri-Mukri (Bhola), Rangabali (Patuakhali), Char Osman (Noakhali), Sitakundu (Chittagong) and Kolatoli (Cox’s Bazar) in the coastal belt of Bangladesh. Data on survival, stem height, diameter, shoot production etc. were recorded from 4.5 years old and 3.5 years old two trial plantations. Result showed that the significantly greater stem height was recorded of 13.03m at Rangabali, greater diameter was 1.53cm at Cox’s Bazar and the greater number of shoots per clump was 27.45 at Char Kukri-Mukri site at the age of 4.5 years raised in 2010. In another experiment raised in 2011, the significantly greater height was 14.44m and the greater number of shoots produced per clump was 19.40 recorded from Rangabali site at the age of 3.5 years. The luxuriant stem growth was recorded from Char Kukri-Mukri a...
An experiment was conducted to assess the effect of NPK fertilizers on seedling growth and surviv... more An experiment was conducted to assess the effect of NPK fertilizers on seedling growth and survival of five important mangrove species of Bangladesh for nine months. Seedlings were raised in the nursery using plastic pots. NPK fertilizers with three treatments (control, 4 gm and 8 gm doses) were used two times when seedlings age was 3 and 6 months. The result showed that seedlings height growth of Excoecaria agallocha was enhanced significantly with the application of NPK fertilizers but it was shown negatively significant effect on height growth of Xylocarpus mekongensis after second time fertilizer application. Moreover, NPK application enhanced mortality of Avicennia officinalis and Ceriops decandra seedlings in both times of fertilizer application. But no effect of NPK fertilizers on seedlings growth and survival of Heritiera fomes were observed.
An underplanting trial with eleven mangrove species were conducted in Sonneratia apetala plantati... more An underplanting trial with eleven mangrove species were conducted in Sonneratia apetala plantations at Rangabali island of Patuakhali district and Char Kukri-Mukri island of Bhola district, Bangladesh to observe the site-suitability and growth performance of the species. The data on survival, height and diameter growth were recorded from 21 years old matured experimental stands. Some mangrove species showed promising growth performance in the coastal belt. The highest survival was found in Aegiceras corniculatum followed by Phoenix paludosa, Excoecaria agallocha, Heritiera fomes and Xylocarpus mekongensis at Rangabali, and the highest survival in E. agallocha followed by P. paludosa, A. corniculatum, H. fomes and X. mekongensis at Char Kukri-Mukri. According to height and diameter growth, the most promising species were E. agallocha and then X. mekongensis, A. corniculatum, H. fomes and P. paludosa in both islands. Therefore, these mangrove species are suitable for raising second r...
Considering the sustainability of coastal forests, a trial with 13 mainland tree species was cond... more Considering the sustainability of coastal forests, a trial with 13 mainland tree species was conducted at Rangabali island of Patuakhali district and Char Kukri-Mukri island of Bhola district to observe the site-suitability and growth performance of the species. Another experiment of 4 palm species was conducted in a foreshore area at Char KukriMukri island. On the basis of survival, height and diameter growth, Samanea saman (Jacq.) Merr. (rain tree), Casuarina equisetifolia Forst. (jhao), Pithecellobium dulce Benth. (payra), Albizia lebbeck (L.) Benth. (kala koroi) and Albizia procera (Roxb.) Benth. (sada koroi) at Rangabali; and P. dulce, Acacia nilotica (L.) Willd. (babla), S. saman and C. equisetifolia at Char Kukri-Mukri were found promising. Among the palm species, Cocos nucifera L. (coconut), Phoenix sylvestris Roxb. (date palm) and Borassus flabellifer L. (palmyra palm) showed good growth performance in the foreshore area. Therefore, these promising mainland trees and palm s...
Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conduct... more Growth trials of Sonneratia apetala (keora) raised from three different seed sources were conducted in the newly accreted lands at Rangabali under Patuakhali and Char Kukri-Mukri under Bhola district to assess the variation of growth and wood production of the species planted in 2007 and 2009. Data on survival, tree height and diameter at breast height (dbh) were recorded from 7 and 5 years old two trial plantations. Significantly greater height of 12.54m and 12.09m and greater dbh of 15.58cm and 14.56cm were recorded for best trees seed source at Char Kukri-Mukri and Rangabali sites respectively at the age of 7 years. Similarly, significantly greater height of 11.88m and 11.57m and greater dbh of 14.55cm and 13.44cm were recorded for best trees seed source at the age of 5 years in Char Kukri-Mukri and Rangabali sites respectively. Significantly greater wood volumes of 38.09 m 3 /ha/year and 37.50 m 3 /ha/year were produced by plantations of best trees seed source in both Char Kukri...
In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a... more In a study conducted in three southern districts (Bhola, Borguna and Patuakhali) of Bangladesh, a total of 69 tree species was recorded from the homegardens, of which 32 were fruit tree and 37 were timber tree species. Among the fruit tree species, coconut, betel nut, mango, jackfruit, guava, velvety apple were found in more than 80% households. The stocking of fruit trees per homestead was found highest for betel nut (265) followed by velvety apple (212), mango (38) coconut (25), jackfruit (20) and guava (9). Among the timber tree species, rain tree, mehogoni, raj koroi were most prevalent and found in more than 65% homesteads. The stocking of timber trees/ homestead was found highest for mehogoni (79) and then for rain tree (57), raj koroi (29) and katbadam (6).
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