如今燕(yàn )麦草、小杂粮、覆膜马铃(líng )薯等耐旱作物“当家(jiā )”,以水定粮改变了察汗淖尔湿地周边农业形态。庞学峰给记(jì )者算(suàn )了(le )一笔账(zhàng ):种植燕(yàn )麦草,只搞“雨养(yǎng )”农业(yè ),不使(shǐ )用地下水(shuǐ )。成本下(xià )降,加上(shàng )轮作和“水改旱”补(bǔ )贴,亩效益(yì )可比种甜菜增(zēng )加200元人民币(bì )左右。 -
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