如今燕(yàn )麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等(děng )耐旱作物“当家”,以水定粮改变了察(chá )汗淖尔湿地(dì )周边农(nóng )业形态(tài )。庞学峰给记者算了一(yī )笔账:种植燕麦(mài )草,只搞“雨养(yǎng )”农业(yè ),不使(shǐ )用地下水。成本下降(jiàng ),加(jiā )上轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加200元人(rén )民(mín )币左右。
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