开垦

例句：

1. 1. The farmers have been working hard to improve the quality of their crops.
   农民们一直在努力提高作物的质量。
2. 2. The government has launched a new program to encourage more people to start their own farms.
   政府推出了一个新的项目，鼓励更多人开始自己的农场。
3. 3. The land was once barren and uninhabitable, but now it is being reclaimed for farming purposes.
   这片土地曾经是贫瘠的，不适合居住，但现在正在被重新开垦用于农业目的。