如今燕麦草、小杂粮、覆膜马铃薯(shǔ )等耐(nài )旱作物“当家”,以水定粮改变(biàn )了察(chá )汗淖尔(ěr )湿地周边农业形态。庞学峰给记(jì )者算了一(yī )笔账(zhàng ):种植(zhí )燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地(dì )下水(shuǐ )。成本下降(jiàng ),加上轮作和“水改旱(hàn )”补贴,亩效益(yì )可比种甜菜增加200元人民币左右。 -
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