如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱(hàn )作(zuò )物“当家”,以水(shuǐ )定粮改变(biàn )了察(chá )汗(hàn )淖尔湿地周边农业形态。庞学峰(fēng )给(gěi )记者算了一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地(dì )下(xià )水。成本下降,加上轮作(zuò )和“水改旱(hàn )”补贴(tiē ),亩效益(yì )可(kě )比种甜菜增(zēng )加200元人民币左右。
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