如(rú )今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱作物“当家”,以水定粮改变了察汗(hàn )淖尔湿(shī )地周边农业形态。庞学峰给记者算了(le )一笔(bǐ )账:种植燕麦草,只(zhī )搞“雨养”农业,不(bú )使用地下(xià )水。成本下降,加上轮作和(hé )“水改旱(hàn )”补贴,亩效(xiào )益可比种甜菜增(zēng )加200元(yuán )人民币左右。 -
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