It found that there were 60 verieties in Shan dong province,and they belonged respectively to the crops,forest,herbage and gre en manure wild herb,ornamental plants.
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- 经分析发现,山东省境内的主要蜜源植物有60多种,它们分别属于作物、林木、牧草与绿肥、果树、野生草本、观赏植物。