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  如(rú )今燕(yàn )麦草(cǎo )、小(xiǎo )杂粮、覆膜马(mǎ )铃薯(shǔ )等耐旱作物“当家”,以水定粮(liáng )改变(biàn )了察(chá )汗淖尔湿地周边(biān )农(nóng )业形态。庞学峰给(gěi )记(jì )者算(suàn )了(le )一笔账(zhàng ):种植(zhí )燕(yàn )麦草(cǎo ),只(zhī )搞“雨养”农业,不使用(yòng )地(dì )下水。成(chéng )本下(xià )降,加(jiā )上轮作和“水改旱(hàn )”补贴,亩效益可比种甜(tián )菜(cài )增加200元人民(mín )币左(zuǒ )右。

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