如今燕麦草、小杂粮、覆膜马铃薯等耐旱(hàn )作物“当家(jiā )”,以水定粮改变了察(chá )汗淖尔湿地周边农业形态。庞学峰给记(jì )者算了一(yī )笔(bǐ )账(zhàng ):种植燕(yàn )麦草,只搞“雨养”农业,不(bú )使用地(dì )下水。成本下(xià )降,加上(shàng )轮作和“水(shuǐ )改旱”补贴,亩效益可比(bǐ )种甜菜增加200元人民币左(zuǒ )右。
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