如(rú )今燕麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物“当家”,以水定粮改变了察(chá )汗淖尔湿地周边(biān )农(nóng )业(yè )形态。庞学峰给记者算了一笔账:种植燕麦草,只(zhī )搞“雨养”农(nóng )业,不(bú )使(shǐ )用地下水(shuǐ )。成(chéng )本下降,加上轮作和“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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