如(rú )今(jīn )燕麦草、小杂粮、覆膜马(mǎ )铃薯等耐旱(hàn )作物(wù )“当家”,以水定粮改(gǎi )变了察汗淖尔湿地周边农业(yè )形态。庞学(xué )峰给(gěi )记者算(suàn )了一笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降(jiàng ),加上轮作和“水(shuǐ )改旱(hàn )”补贴,亩效益(yì )可比种甜菜增(zēng )加200元人民币左右。
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