如(rú )今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯(shǔ )等耐旱作(zuò )物“当(dāng )家”,以水定粮改变了察汗淖尔湿地(dì )周边农业形态。庞学峰给记者算了一笔(bǐ )账:种植燕(yàn )麦草,只(zhī )搞(gǎo )“雨养”农业,不使用地(dì )下(xià )水。成本下降,加上(shàng )轮作和“水改旱(hàn )”补贴,亩效益可比种(zhǒng )甜菜(cài )增加200元人民币左(zuǒ )右。
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