如(rú )今燕(yàn )麦草、小(xiǎo )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(yè )形态。庞学峰(fēng )给记者算了一笔账:种植燕麦草,只搞“雨养(yǎng )”农(nóng )业,不使(shǐ )用地下(xià )水。成本下降,加(jiā )上(shàng )轮作(zuò )和“水改旱”补贴,亩效益(yì )可比种(zhǒng )甜菜增加(jiā )200元人民币(bì )左右。
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