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  如今燕麦草、小(xiǎo )杂粮、覆膜马(mǎ )铃(líng )薯(shǔ )等耐(nài )旱(hàn )作物(wù )“当家”,以水定粮改变(biàn )了察汗淖尔湿地周边(biān )农(nóng )业形(xíng )态。庞学峰给记(jì )者算(suàn )了一笔(bǐ )账:种植(zhí )燕(yàn )麦草,只搞“雨养(yǎng )”农(nóng )业,不使用地(dì )下水。成本下(xià )降,加上轮作和“水改旱(hàn )”补贴,亩效(xiào )益(yì )可(kě )比种甜(tián )菜增加200元(yuán )人(rén )民币左右。

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