如今(jīn )燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变了察汗(hàn )淖尔湿地周边农业形态。庞学峰给记者算了一笔账:种植燕(yàn )麦(mài )草,只搞“雨养”农业,不使用(yòng )地下(xià )水(shuǐ )。成本下(xià )降,加(jiā )上(shàng )轮作和“水改旱(hàn )”补贴(tiē ),亩效(xiào )益可比种(zhǒng )甜菜增加200元(yuán )人民币左右。
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