Because no tillage and minimum tillage reduce erosion and concentrate nutrients in the surface soil just below the residue cover, micronutrients generally are less often deficient than under conventional tillage.
Because no tillage and minimum tillage reduce erosion and concentrate nutrients in the surface soil just below the residue cover, micronutrients generally are less often deficient than under conventional tillage.
由于少耕和免耕减少了水土流失，同时把养分富集在植物残茬覆盖下的土壤表层，所以，与传统耕作制相比，少耕和免耕一般不易发生微量元素的缺乏。