如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐(nài )旱作物“当(dāng )家(jiā )”,以水(shuǐ )定粮改变了察汗(hàn )淖尔湿地周边农业(yè )形态。庞学峰给记者算了一笔账:种植(zhí )燕麦草,只搞“雨养”农(nóng )业,不(bú )使(shǐ )用地下水。成本下(xià )降,加上轮作和“水改旱(hàn )”补贴,亩效(xiào )益(yì )可比种甜菜增加200元(yuán )人民币左右。 -
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