如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马(mǎ )铃(líng )薯(shǔ )等耐旱(hàn )作物“当家”,以水定粮改变(biàn )了察(chá )汗(hàn )淖尔湿地周边农业形态。庞学峰给记(jì )者算(suàn )了一笔账(zhàng ):种植燕麦草,只搞“雨(yǔ )养”农业,不使用地下水。成本下降(jiàng ),加上轮作和“水改旱”补(bǔ )贴(tiē ),亩效益可(kě )比种甜菜增加200元人民币左右。 -
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