如今燕麦草、小杂粮、覆(fù )膜马(mǎ )铃薯等耐旱作物“当家”,以(yǐ )水(shuǐ )定粮改(gǎi )变了察汗淖尔湿地(dì )周边农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种(zhǒng )植燕(yàn )麦草,只搞“雨养”农业(yè ),不使用地下水。成本下降,加上(shàng )轮作和“水改旱”补贴(tiē ),亩效(xiào )益可比种甜菜增加200元人民币左(zuǒ )右。
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