菜价“发高烧”根源在哪

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据新华社全国农副产品和农资价格行情系统发现,4月21日,该系统监测下的13种蔬菜价格全部上涨。而就在此前一天,中国社会科学院与国家统计局联合发布的2010年《农村绿皮书》预测:2010年粮食生产价格上涨率可能超过5%,进而带动农产品价格总体上涨4%。
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