如今(jīn )燕麦草、小杂粮、覆膜马铃薯等耐旱作物(wù )“当家”,以水定粮改(gǎi )变(biàn )了察汗淖尔湿(shī )地周(zhōu )边农(nóng )业形态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞“雨养”农业(yè ),不使(shǐ )用地(dì )下水。成本下降,加上轮作和(hé )“水改旱(hàn )”补贴,亩效(xiào )益可比(bǐ )种甜菜增加(jiā )200元人民币左右。
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