如今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐(nài )旱作物(wù )“当家”,以水定粮改变了察汗淖(nào )尔湿地周边农(nóng )业形态。庞学峰给记者算了一笔(bǐ )账(zhàng ):种植燕麦草(cǎo ),只(zhī )搞“雨养”农(nóng )业(yè ),不使用地下水。成本下降,加(jiā )上(shàng )轮作和(hé )“水改旱”补贴,亩效益可比种(zhǒng )甜菜增加200元人民币左右。
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