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  如今燕(yàn )麦草、小(xiǎo )杂(zá )粮、覆膜马(mǎ )铃薯(shǔ )等耐旱(hàn )作(zuò )物“当家”,以水定(dìng )粮(liáng )改(gǎi )变了(le )察汗淖尔(ěr )湿地周(zhōu )边农(nóng )业形(xíng )态。庞学峰给(gěi )记者(zhě )算了一笔账(zhàng ):种植燕(yàn )麦草,只搞“雨养(yǎng )”农业(yè ),不使用(yòng )地下(xià )水。成(chéng )本(běn )下(xià )降,加上(shàng )轮作和“水改(gǎi )旱(hàn )”补贴,亩效(xiào )益(yì )可(kě )比种甜(tián )菜增加200元人民币左右。

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