如今燕麦草、小杂(zá )粮、覆(fù )膜马铃薯等(děng )耐旱作物“当家”,以水定粮改变了察汗淖(nào )尔(ěr )湿地(dì )周边农(nóng )业形态。庞学峰给记者算了一笔账:种(zhǒng )植燕麦草,只搞“雨养(yǎng )”农业,不(bú )使(shǐ )用地(dì )下水。成本下降,加上轮作和“水改旱(hàn )”补贴,亩效(xiào )益(yì )可(kě )比(bǐ )种甜菜增加200元人民币左右。 -
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