如(rú )今燕麦草、小杂粮、覆膜马铃薯(shǔ )等(děng )耐旱作物“当家”,以(yǐ )水定粮(liáng )改变了察汗淖(nào )尔湿地(dì )周边农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不使(shǐ )用地(dì )下水。成本下降,加上(shàng )轮作和“水(shuǐ )改旱”补贴(tiē ),亩效益可比种甜(tián )菜增加200元人(rén )民币左右。
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