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Acacia mangium : ウィキペディア英語版 | Acacia mangium
''Acacia mangium'' is a species of flowering tree in the pea family, Fabaceae, that is native to northeastern Queensland in Australia, the Western Province of Papua New Guinea, Papua, and the eastern Maluku Islands.〔 〕 Common names include Black Wattle, Hickory Wattle, Mangium, and Forest Mangrove. Its uses include environmental management and wood.〔 == Cultivation == ''Acacia mangium'' grows up to , often with a straight trunk. ''A. mangium'' has about 142,000 seeds/kg. To break down dormancy mature seed requires pre-germination treatments such as mechanical scarification (scratching the surface) or boiling water. This treatment leads to a fast germination and typically exceeds 75%.〔(Discover Life/ Royal Botanical Gardens )〕 Like many other legumes, it is able to fix nitrogen in the soil. ''A. mangium'' is a popular species for forest plantation and used more and more also for agroforestry projects. In mixed cultures, plants can profit of the shadow from ''A. mangium'' and the nitrogen fixation〔Jeyanny, V., SS Lee & K Wan Rasidah, Forest Research Institute Malaysia (2011). Effects of arbuscular mycorrhizal inoculation and fertilisation on the growth of ''Acacia mangium'' seedlings. Journal of Tropical Forest Science 23(4): 404–409〕 ''A. mangium'' will tolerate low fertility soils with impeded drainage, but prefers fertile sites with good drainage. Soil depth and topographic position can influence yields. With respect to distance from the equator, there are significant differences in performance under cultivation. A mean annual height increase of about 3 to 4 m is usual near the equator. In areas further from the equator growth is lower.〔
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「Acacia mangium」の詳細全文を読む
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