如今燕麦草、小杂粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗淖尔湿地周(zhōu )边农业形态。庞学峰给(gěi )记(jì )者算了(le )一笔账:种植燕麦草,只搞“雨养(yǎng )”农业(yè ),不使(shǐ )用(yòng )地下水。成本下降,加(jiā )上(shàng )轮作和“水改旱”补贴,亩效(xiào )益可比(bǐ )种(zhǒng )甜菜增加200元人民币左(zuǒ )右。 -
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