如今燕(yàn )麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物“当家”,以水定粮改变了(le )察汗淖尔湿(shī )地周边农(nóng )业形态。庞学峰给记者算了一笔(bǐ )账:种植燕麦草,只搞(gǎo )“雨养”农(nóng )业,不(bú )使(shǐ )用地下水。成本下降,加(jiā )上轮作和“水(shuǐ )改旱”补贴(tiē ),亩效(xiào )益可(kě )比种甜菜增加200元人民币左(zuǒ )右。
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