如(rú )今(jīn )燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变了(le )察汗淖(nào )尔湿(shī )地周边农业形态。庞学峰给记者(zhě )算了一笔账:种植燕(yàn )麦草,只(zhī )搞“雨养”农业,不使用地(dì )下(xià )水。成本(běn )下降,加上(shàng )轮(lún )作和“水改(gǎi )旱(hàn )”补贴,亩效(xiào )益可比种甜菜增加(jiā )200元人民(mín )币左右。
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