如今燕麦草、小杂粮、覆膜马铃(líng )薯(shǔ )等耐旱作物“当(dāng )家”,以水定粮改变了察汗(hàn )淖尔湿地(dì )周边农(nóng )业形态。庞学峰给记者算了一笔(bǐ )账:种植(zhí )燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用地下水。成本下降,加上轮作(zuò )和“水改旱”补贴,亩效益可(kě )比种(zhǒng )甜菜(cài )增(zēng )加200元人民币左右。 -
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