See https://arxiv.org/abs/1903.12262

See https://github.com/bioinfoUQAM/Canadian-cropland-dataset-github/blob/ec09b091b69423a87febc56309c1e86d3b61e8cb/DATA_LICENSE

Not sure this is still a thing though as the site is dead and only in the archive:
https://web.archive.org/web/20201111161927/https://montrealdatalicense.com/en