如今燕麦草、小杂粮、覆(fù )膜马铃薯(shǔ )等耐旱作物“当家”,以水定粮改变(biàn )了察(chá )汗淖尔湿地周边农业形态。庞学峰给记者算了(le )一笔账(zhàng ):种植(zhí )燕麦草,只搞“雨养”农业(yè ),不使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水改(gǎi )旱(hàn )”补贴,亩效益可比(bǐ )种甜菜增(zēng )加200元(yuán )人(rén )民币左右。 -
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