rainfed farming meaning in English

靠雨水浇灌的农业
雨浇农业
雨养农业

For instance , the agricultural economical exploitation history study might involve the subtropical paddy cultivation system in the south and warm temperate zone rainfed farming in the north ; it surely includes more than four types of topographical features such as plains , basins , hills and mountain areas
其农业开发总体上处于衰退状态。但是，由于该地区地处山地，与中原地区相比，在一定程度上讲，社会、经济的环境较为稳定，农业生产也出现了一些新的变化。