如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变了察(chá )汗淖尔(ěr )湿地周边农(nóng )业形态。庞学峰给记(jì )者算了一笔账:种(zhǒng )植燕麦草(cǎo ),只搞“雨养”农业,不使用(yòng )地下水。成本下(xià )降(jiàng ),加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加200元(yuán )人民(mín )币左右。 -
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