如(rú )今燕麦(mài )草、小杂粮、覆膜马铃薯(shǔ )等耐旱(hàn )作物“当(dāng )家”,以水定(dìng )粮改(gǎi )变了察汗淖(nào )尔湿(shī )地周边农业形态。庞学峰给(gěi )记者算了一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降,加(jiā )上轮作和“水改(gǎi )旱”补贴,亩效益可比种甜菜增(zēng )加200元人民币(bì )左右。
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