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3月 2 1日是“世界林业节” ,这个日子是在 1971年欧洲农业联盟大会上由西班牙提出倡议并得到一致通过。同年 11月 ,联合国粮农组织 (ＦＡＯ)正式予以确认。许多国家根据本国的特定环境和需求 ,确定了自己的植树节。日本把每年的 4月 1日至 7日定为绿化周。绿化周包括工厂绿化?
March 21st was the “World Forestry Festival”. This day was proposed by Spain at the 1971 Conference of the European Union of Agriculture and was unanimously adopted. In November of the same year, the Food and Agriculture Organization of the United Nations (FAO) formally confirmed it. Many countries have determined their own Arbor Day according to their specific environment and needs. Japan designated April 1-7 as the greening week. Greening week includes plant greening?