如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯(shǔ )等耐旱(hàn )作物“当家”,以水定粮改变了察汗(hàn )淖(nào )尔湿(shī )地周边农(nóng )业形态(tài )。庞学峰(fēng )给记者算了一笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不(bú )使用地(dì )下水。成本下降,加(jiā )上轮作和“水改旱”补贴,亩效益(yì )可比种甜菜增加200元人民币左右。
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