如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆膜(mó )马铃(líng )薯等耐(nài )旱作物“当家”,以水定粮改变了察(chá )汗淖(nào )尔湿(shī )地周边(biān )农业形态。庞学峰给记者算了一笔(bǐ )账(zhàng ):种植燕麦草(cǎo ),只搞“雨养”农业,不(bú )使用地下(xià )水。成本下降(jiàng ),加上轮作和(hé )“水改旱”补贴,亩效益可比种甜菜增加200元(yuán )人民币左右。
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