如今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿地周边农业形态。庞学峰给(gěi )记者算了一笔账(zhàng ):种植燕麦草,只搞“雨(yǔ )养”农(nóng )业,不(bú )使(shǐ )用地下(xià )水。成本下降(jiàng ),加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可比(bǐ )种甜菜增加200元人(rén )民币(bì )左(zuǒ )右(yòu )。
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