如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜(mó )马铃薯(shǔ )等耐旱(hàn )作物“当家”,以水定粮改(gǎi )变了察(chá )汗淖(nào )尔湿地周边农业(yè )形态。庞学峰给记者算(suàn )了一笔账:种植燕麦草,只搞“雨养”农业,不(bú )使用地下水。成本下降,加上轮作和(hé )“水改旱”补贴(tiē ),亩效(xiào )益可比种甜菜增加200元(yuán )人民币左右。 -
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