careful and intensive cultivation

• 精耕细作

careful and intensive cultivation的用法和样例：

例句

1. In my opinion, we must depend on intensive cultivation to feed ourselves.
   我看我们就是要靠精耕细作吃饭。
2. To make up for the lack of land, he proposed intensive cultivation of the fields.
   为了弥补土地不足，他建议精耕细作。