如今(jīn )燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱(hàn )作(zuò )物“当家”,以水定粮改变了察汗(hàn )淖尔湿(shī )地周边农业(yè )形态。庞学峰给(gěi )记者算了(le )一笔账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业,不(bú )使用地下水。成本(běn )下降(jiàng ),加上轮作和“水改旱(hàn )”补贴(tiē ),亩效益(yì )可比种甜菜增加200元人民币左右。
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