如今燕(yàn )麦草、小杂粮、覆膜马(mǎ )铃(líng )薯等耐旱作物“当家”,以水定粮改变了察(chá )汗淖尔湿地周边(biān )农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种植(zhí )燕麦草,只搞“雨养”农业(yè ),不使(shǐ )用(yòng )地下水。成本下降,加上轮作(zuò )和“水改旱”补贴(tiē ),亩效益(yì )可比(bǐ )种(zhǒng )甜菜增加200元人民币左右。
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