如(rú )今燕(yàn )麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐(nài )旱作物“当家”,以水(shuǐ )定粮改变了察汗淖尔湿地周边农业形(xíng )态。庞学峰给记者算了(le )一笔账:种植(zhí )燕麦草,只搞“雨养”农业,不使(shǐ )用(yòng )地下(xià )水。成本下降(jiàng ),加(jiā )上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加200元人民币左右。
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