如今燕麦(mài )草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐(nài )旱(hàn )作物“当家”,以水(shuǐ )定粮改变(biàn )了察汗淖尔湿(shī )地周边农业(yè )形态(tài )。庞学峰给(gěi )记(jì )者算了一(yī )笔账(zhàng ):种(zhǒng )植(zhí )燕(yàn )麦草,只(zhī )搞“雨(yǔ )养”农业,不使用(yòng )地下水。成本下降(jiàng ),加上轮(lún )作和(hé )“水(shuǐ )改(gǎi )旱(hàn )”补贴,亩效益可(kě )比(bǐ )种(zhǒng )甜菜(cài )增加200元人民币左(zuǒ )右。
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