资讯
Crop rotation is a planned sequence of different crop types, such as spring-seeded cereals, fallseeded cereals, oilseeds, pulses, perennial legumes and other perennial species. Rotations also include ...
Production of both conventional and organic flax is difficult because, of all major field crops grown in western Canada, flax is the least competitive with weeds. This lack of weed competition makes ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果