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  如今燕(yàn )麦草、小杂(zá )粮、覆膜马(mǎ )铃薯等耐旱作物“当家”,以(yǐ )水定粮改变了察(chá )汗(hàn )淖(nào )尔(ěr )湿地周边农业(yè )形(xíng )态。庞学(xué )峰给记(jì )者(zhě )算(suàn )了(le )一笔账:种(zhǒng )植燕麦草,只搞(gǎo )“雨养”农业(yè ),不使用地下水。成(chéng )本下(xià )降,加(jiā )上(shàng )轮作(zuò )和“水改旱(hàn )”补(bǔ )贴,亩效益可(kě )比(bǐ )种甜(tián )菜(cài )增加200元人民币左(zuǒ )右。

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