如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了(le )察汗淖尔湿(shī )地周边农业形(xíng )态。庞学峰给记(jì )者算了一笔账:种植燕(yàn )麦草,只搞“雨养”农业,不(bú )使(shǐ )用地(dì )下水(shuǐ )。成本下(xià )降,加上轮作和“水改旱(hàn )”补贴(tiē ),亩效益可比(bǐ )种甜菜增加200元人民币左右。 -
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