如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察(chá )汗淖尔湿(shī )地周边农(nóng )业形态。庞学峰给(gěi )记者算了(le )一笔(bǐ )账:种植燕(yàn )麦草,只搞“雨养(yǎng )”农业,不使用地下水。成本下(xià )降,加(jiā )上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜增加200元人民币左(zuǒ )右(yòu )。 -
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