如今燕麦草、小杂(zá )粮、覆膜马(mǎ )铃薯等耐旱(hàn )作物“当家”,以(yǐ )水(shuǐ )定粮改(gǎi )变了察汗淖尔湿地(dì )周边农(nóng )业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养(yǎng )”农业,不使(shǐ )用地下水。成本下(xià )降,加上(shàng )轮作和“水改旱”补(bǔ )贴,亩效益(yì )可比种甜菜增加(jiā )200元(yuán )人民(mín )币左右。
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