【摘要】 阐述了吉林省半干旱地区种植机械化生产工艺改革的依据与特点,介绍了耕整地联合作业机和镇压式抗旱播种机性能与结构设计的原则和成果,并报导了施肥对播种出苗的影响、深松与镇压对种床土壤墒情的影响等。更多还原

【Abstract】 The cases and features of the reform of planting mechanization technology in semi-arid region were expounded, and also the principle and function of the subsoiler-ridger combine and the heavy rolling drought-relief sower are introduced in this paper. The effects of manuring position on seedling, deep tillage and rolling on soil moisture of seedled soil etc are also reported.更多还原