no-tillage with straw retention

• 免耕秸秆覆盖

no-tillage with straw retention的用法和样例：

例句

1. Result shown no-tillage and traditional tillage treatments had little water storage but higher water use efficiency.
   结果表明，免耕秸秆覆盖和传统耕作秸秆覆盖两个处理土壤贮水量少，但水分利用效率高。