如(rú )今燕(yàn )麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定(dìng )粮改变了察汗淖尔湿(shī )地周边农(nóng )业形态。庞学峰给记(jì )者算了一笔账:种植燕(yàn )麦草,只(zhī )搞“雨养”农业,不使用地(dì )下水。成本下降,加上(shàng )轮作和“水改(gǎi )旱”补贴,亩效(xiào )益可比种甜菜增加200元人民(mín )币左右。
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