如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水定(dìng )粮改变了察汗(hàn )淖(nào )尔湿地(dì )周边农(nóng )业形(xíng )态。庞学峰给(gěi )记者算了一笔账:种植(zhí )燕麦草,只搞“雨养(yǎng )”农业,不使用地下水(shuǐ )。成本下降,加上(shàng )轮作和“水改(gǎi )旱(hàn )”补贴,亩效益(yì )可比种甜菜增加200元人民币(bì )左右。 -
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