如今燕麦草、小(xiǎo )杂粮、覆膜马铃薯(shǔ )等耐旱(hàn )作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地(dì )周边农业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降,加上(shàng )轮(lún )作(zuò )和“水改旱(hàn )”补贴(tiē ),亩效(xiào )益可比种甜菜增加200元(yuán )人民(mín )币左右。 -
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