如(rú )今燕麦草、小杂粮、覆膜马(mǎ )铃薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿(shī )地周边农业(yè )形态。庞学峰给记者算了一笔(bǐ )账:种植燕麦草,只(zhī )搞“雨养”农业,不(bú )使用地(dì )下(xià )水。成本下降,加上(shàng )轮作和“水改旱(hàn )”补贴(tiē ),亩效益可比种甜菜增(zēng )加200元人民(mín )币(bì )左右。
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