如今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定(dìng )粮改(gǎi )变了察(chá )汗淖尔(ěr )湿(shī )地(dì )周边农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下(xià )降,加(jiā )上(shàng )轮作和“水改旱”补贴,亩(mǔ )效(xiào )益可比(bǐ )种甜菜增加200元人民币(bì )左右。 -
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