如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿地周边农业形态(tài )。庞学峰给记者(zhě )算了一笔账(zhàng ):种植(zhí )燕麦草,只(zhī )搞“雨养”农业,不使(shǐ )用(yòng )地(dì )下水。成本下降,加上(shàng )轮作(zuò )和“水(shuǐ )改旱”补贴(tiē ),亩效益可(kě )比(bǐ )种(zhǒng )甜菜增(zēng )加200元人民币左右。 -
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