如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水(shuǐ )定粮改变了察汗淖尔(ěr )湿地周边农业形态。庞学(xué )峰给(gěi )记者算了(le )一笔账:种植燕麦草,只搞(gǎo )“雨养”农(nóng )业(yè ),不使用地(dì )下水。成本下(xià )降,加上(shàng )轮作和“水改旱(hàn )”补贴,亩效益可(kě )比(bǐ )种甜菜增加(jiā )200元人民币左(zuǒ )右。 -
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