如今燕麦草、小杂粮、覆(fù )膜马铃薯(shǔ )等耐旱作物“当家(jiā )”,以水定粮改变了察(chá )汗淖尔湿地周边农业形态(tài )。庞学峰给记者算了一笔账(zhàng ):种植(zhí )燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用(yòng )地下水。成本下(xià )降,加上(shàng )轮作和“水(shuǐ )改旱”补(bǔ )贴(tiē ),亩效益可比种甜菜增加200元人民(mín )币左右。
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