如今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗淖(nào )尔湿地周边农(nóng )业形态。庞学峰给记(jì )者算了一笔账:种(zhǒng )植燕麦草(cǎo ),只搞“雨养”农(nóng )业,不使用地下水(shuǐ )。成本下(xià )降,加上轮作(zuò )和“水改旱(hàn )”补贴,亩效(xiào )益可比种甜菜(cài )增加200元人(rén )民(mín )币左右。
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