展会时间:2012-09-26 至 2012-09-28
全国肥料双交会是经农业部批准,由全国农业技术推广服务中心发起,会同相关省(区、市)农业行政主管部门、相关市人民政府联合举办,相关省(区、市)土肥站承办 ...
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