如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马(mǎ )铃薯等耐(nài )旱作物“当家”,以水定粮改变(biàn )了(le )察(chá )汗淖(nào )尔湿地周边农业(yè )形态。庞学峰给记者算了一笔账:种植燕麦草,只搞(gǎo )“雨养”农业,不(bú )使用(yòng )地下水。成(chéng )本下降,加上(shàng )轮作和“水改旱(hàn )”补(bǔ )贴,亩(mǔ )效益可比种甜菜增(zēng )加200元人民币左右。
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