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  如今(jīn )燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当家”,以水定(dìng )粮改(gǎi )变了察(chá )汗淖尔(ěr )湿地周边农业形态(tài )。庞学(xué )峰给记(jì )者算了一(yī )笔账(zhàng ):种植燕麦草,只搞“雨(yǔ )养”农业(yè ),不使(shǐ )用(yòng )地(dì )下(xià )水。成本(běn )下降,加上(shàng )轮(lún )作和(hé )“水(shuǐ )改旱(hàn )”补(bǔ )贴(tiē ),亩效益(yì )可(kě )比(bǐ )种甜菜增加200元人民币左右。

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