如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐(nài )旱作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地(dì )周边农业形态。庞学峰给记者算了一(yī )笔账(zhàng ):种植燕麦(mài )草,只搞“雨(yǔ )养”农(nóng )业,不使(shǐ )用地下(xià )水。成本下降,加(jiā )上轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加200元人民币左(zuǒ )右。 -
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