如今燕麦(mài )草、小杂粮、覆膜马铃薯等耐(nài )旱作物(wù )“当(dāng )家”,以水定粮改变了察汗淖尔湿地(dì )周边农(nóng )业形态。庞学峰给(gěi )记者算了一笔(bǐ )账(zhàng ):种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降(jiàng ),加(jiā )上(shàng )轮作和(hé )“水改旱”补(bǔ )贴,亩(mǔ )效益可比种甜菜增加200元人民币(bì )左(zuǒ )右。
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