如(rú )今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变了察(chá )汗(hàn )淖尔湿(shī )地周边农业(yè )形态。庞学峰(fēng )给(gěi )记者(zhě )算了一(yī )笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下降(jiàng ),加上轮(lún )作和“水改旱(hàn )”补贴(tiē ),亩效益(yì )可比种(zhǒng )甜菜增加200元人民币左右。 -
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