节水增产的耕作方法──深松近年来，由于耕作以小拖和畜力为主，土壤耕层长期在１５厘米以下．耕层浅，土壤板结，形成坚硬的犁底层，通透性差，严重影响了作物正常生长发育。为打破犁底层，探索适应我市农业生产新的耕作方法，石家庄市农机推广站从北京农业二工程大学引... Tillage method of saving water and increasing productivity - In recent years, due to farming with small drag and livestock-based, long-term soil plow below 15 cm. Tillage shallow, soil compaction, forming a hard bottom plow, poor permeability, seriously affecting the normal crop growth and development. To break the plow the bottom, to explore the city’s agricultural production to adapt to the new farming methods, Shijiazhuang Agricultural Machinery Extension Station from Beijing Agricultural University ...