如(rú )今燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当家”,以水(shuǐ )定粮改变了察(chá )汗淖尔湿地周边农(nóng )业(yè )形态。庞学峰给记者算(suàn )了(le )一笔账:种植燕麦草,只搞“雨养”农(nóng )业,不(bú )使用地下水。成本下降,加上轮作和(hé )“水改旱”补贴,亩效(xiào )益可比(bǐ )种甜菜增加(jiā )200元(yuán )人民币左右。
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