如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改(gǎi )变了察汗淖尔(ěr )湿地(dì )周边农业形态。庞学峰(fēng )给记者算了一笔账:种植燕麦草,只(zhī )搞“雨养(yǎng )”农业(yè ),不使用地(dì )下水。成本下(xià )降(jiàng ),加上(shàng )轮作和“水改旱(hàn )”补贴,亩效益可比种甜菜增加200元人(rén )民币左右。 -
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