如(rú )今燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱作物“当家”,以水(shuǐ )定粮改变了察汗淖尔湿地周边农(nóng )业形态。庞学(xué )峰给(gěi )记者算了(le )一笔账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业(yè ),不使用(yòng )地下水。成本下(xià )降,加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效益可比种甜菜增(zēng )加200元人民币左右。 -
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