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Growth and Nutrient Requirements in a Teak Plantation Age Series in Nigeria. I. Linear Growth and Biomass Production

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Forty trees equally distributed to represent diameter range and first 15 years of growth of quality one teak stands in Gambari Forests in Southern Nigeria were sampled and linear dimensions and the aboveground biomass accumulation and distribution measured. Height, diameter (d.b.h.), basal area (b.a.), volume, leaf area, and leaf area index (L.A.I.) increased with age during the first 15 years. Mean annual height and diameter increments decreased while those of b.a. and volume increased with stand age. Total dry matter production in 15 years was about 592 mt/ha. Biomass of stem and branch components increased while that of foliage decreased with increasing age. Diameter growth of 250 largest stems, or crop trees, stagnated at 10 years. This is proposed as time for first thinning in such stands. Equations relating mean tree biomass to d.b.h. are presented. Forest Sci. 29:159-165.

Keywords: Tectona grandis

Document Type: Miscellaneous

Affiliations: Reader (Silviculture), Department of Forest Resources Management, University of Ibadan, Ibadan, Nigeria

Publication date: March 1, 1983

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
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