如今燕麦草、小(xiǎo )杂粮(liáng )、覆(fù )膜马铃薯等耐旱作物“当家”,以水定粮改变了察汗淖(nào )尔湿地周边农业(yè )形态。庞学峰给记(jì )者算了一笔账:种(zhǒng )植燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用地下水(shuǐ )。成本下(xià )降,加(jiā )上(shàng )轮作和“水改旱”补贴(tiē ),亩(mǔ )效益(yì )可比(bǐ )种甜菜(cài )增加200元人(rén )民币左右。
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