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Agriculture in Tuvalu is based on coconut and swamp taro (''Cyrtosperma chamissonis''), (known in Tuvalu as ''Pulaka''), which is similar to taro (''Colocasia esculenta'') but "with bigger leaves and larger, coarser roots"; taro is also cultivated in Tuvalu. Bananas and breadfruit are supplemental crops. The dried flesh of the coconut (copra) is the main agricultural export of Tuvalu, with other agricultural products consumed locally. Because of the young geological age of the reef islands and atolls and high level of soil salination the soils is relatively poor. Wealth and status in traditional Tuvaluan culture was determined by possession of ''pulaka'' and taro pits and coconut trees. ==Traditional use of broadleaf forest== Charles Hedley (1896) identified the uses of plants and trees that were harvested from the native broadleaf forest as including: * Food plants: Coconut; and ''Ferra'', native fig (''Ficus aspem'').〔 * Fibre: Coconut; ''Ferra''; ''Fala'', Screw Pine, ''Pandanus''; ''Fau'' or ''Fo fafini'', or woman's fibre tree (''Hibiscus tiliaceus'').〔 * Timber: ''Fau'' or ''Fo fafini''; ''Pouka'', (''Hernandia peltata''); ''Ngia'' or ''Ingia'' bush, (''Pemphis acidula''); ''Miro'', (''Thespesia populnea''); ''Tonga'', (''Rhizophora mucronata'').〔 * Dye: ''Valla valla'', (''Premna taitensis''); ''Tonga'', (''Rhizophora mucronata''); and ''Nonou'', (''Morinda citrifolia'').〔 * Scent: ''Fetau'', (''Calophyllum inophyllum''); ''Jiali'', (''Gardenia taitensis''); and ''Boua'' (''Guettarda speciosa''); ''Valla valla'', (''Premna taitensis''); and Crinum.〔 * Medicinal: ''Tulla tulla'', (''Triumfetta procumbens''); ''Nonou'', (''Morinda citrifolia''); ''Tausoun'', (''Heliotropium foertherianum''); ''Valla valla'', (''Premna taitensis''); ''Talla talla gemoa'' fern, (''Psilotum triquetrum''); ''Lou'', (''Cardamine sarmentosa''); and ''Lakoumonong'', (''Wedelia strigulosa'').〔 While some use is made of traditional flora, modern Tuvalu imports building materials and other products to replace the things traditionally harvested from the native broadleaf forest. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Agriculture in Tuvalu」の詳細全文を読む スポンサード リンク
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