如今燕麦草、小杂粮、覆膜马铃薯等(děng )耐旱(hàn )作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地周边农业形态。庞学峰给记者算了(le )一笔账(zhàng ):种植燕麦草,只搞“雨养”农业(yè ),不使(shǐ )用地下水。成本下降(jiàng ),加上轮作(zuò )和“水(shuǐ )改旱”补(bǔ )贴(tiē ),亩效(xiào )益可比种甜菜增加(jiā )200元(yuán )人(rén )民币左右。 -
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