如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水(shuǐ )定粮改(gǎi )变了察汗淖尔湿地周边农业(yè )形态。庞学峰给记(jì )者(zhě )算了(le )一笔(bǐ )账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地下水。成本下降,加上(shàng )轮作(zuò )和(hé )“水改旱”补(bǔ )贴,亩效(xiào )益可(kě )比种甜菜增加200元人(rén )民币左右。
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