如(rú )今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗淖尔湿地(dì )周边农业形态。庞学峰给记者算了一笔账:种植(zhí )燕麦草(cǎo ),只搞(gǎo )“雨养”农业,不使用地(dì )下水(shuǐ )。成本下(xià )降(jiàng ),加上(shàng )轮作和“水改旱”补贴,亩(mǔ )效益(yì )可(kě )比(bǐ )种甜菜增(zēng )加200元人民币左右。 -
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