如今燕麦草、小(xiǎo )杂粮、覆膜马铃(líng )薯等耐旱作物“当(dāng )家”,以水定粮改变了察汗淖尔湿地周边农业形态。庞学(xué )峰给记(jì )者算了一笔(bǐ )账(zhàng ):种植(zhí )燕麦草,只搞“雨(yǔ )养(yǎng )”农(nóng )业,不使(shǐ )用地下水。成本下(xià )降,加上轮作和“水(shuǐ )改旱”补贴,亩效益可比种(zhǒng )甜菜增加200元人民币左右。 -
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