separated layer fertilization

例句：

1. 1. In thestudy of soil science, separated layer fertilization is a key technique for improving soil quality.
   在土壤科学研究中，分离层施肥是提高土壤质量的关键技术。
2. 2.The separated layer fertilization method has been widely used in agricultural production to improve crop yield.
   分离层施肥方法在农业生产中被广泛使用，以提高作物产量。
3. 3.The separated layer fertilization technique can effectively promote the growth of crops and reduce the use of chemical fertilizers.
   分离层施肥技术可以有效促进作物生长，减少化学肥料的使用。