Labor scarcity requires double-season rice to be planted by direct seeding as an alternative to transplant-ing.Only ultr......

An efficient method of vision navigation path recognition based on affine transformation for rape direct seeding machine......

在浙江省金华市对直播早稻优化氮肥施用进行了田间试验研究.试验结果表明,同农民常规的施肥实践相比较,精细养分管理的施肥技术能......