如今(jīn )燕麦草、小杂粮、覆膜马(mǎ )铃薯等耐旱作(zuò )物“当(dāng )家”,以水定粮改变了(le )察(chá )汗(hàn )淖尔湿地(dì )周边农业形态。庞学峰给记者算了一笔账:种植(zhí )燕麦草,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(hàn )”补贴(tiē ),亩效益可比种甜菜增加200元人民币左右。 -
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