Effects of acacia mangium on morphological and physicochemical properties of soil

Tanaka, S. and Kano, S. and Lat, J and Mohd Effendi, Wasli and Tan, N.P. and Arifin, A. and Sakurai, K. and JJ, Kendawang (2015) Effects of acacia mangium on morphological and physicochemical properties of soil. Journal of Tropical Forest Science, 27 (3). pp. 357-368. ISSN 1281283

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This study was conducted in an industrial Acacia mangium plantation in Sarawak, Malaysia, to investigate the effects of planting and harvesting A. mangium on soil morphological and physicochemical properties. In A. mangium sites, the disruptive effect of planting practices extended to morphological properties in subsoil layers. The A horizon redeveloped during early stages after planting which could be ascribed to plentiful supply of organic matter through rapid decomposition of vegetation residues produced upon land preparation. However, soil C- and N-related properties appeared to decrease with stand age, while the levels of exchangeable bases and available P remained low even after 10 years. In post-harvest sites, distinct soil horizons were not observed due to severe disturbance. The levels of total C, N and exchangeable bases at depth of 0–5 cm for sites assessed 3 years after harvesting were higher than those of sites assessed 1 year after harvesting. This might be ascribed to relatively gradual release of organic matter and nutrients from harvest residues into soil due to low level of decomposition as well as low nutrient uptake of poor vegetation regrowth.

Item Type: Article
Uncontrolled Keywords: Exchangeable bases, planting, harvesting, Malaysia, soil organic matter, Typic Dystrudepts, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education,research, Universiti Malaysia Sarawak.
Subjects: S Agriculture > SD Forestry
Divisions: Academic Faculties, Institutes and Centres > Faculty of Resource Science and Technology
Faculties, Institutes, Centres > Faculty of Resource Science and Technology
Depositing User: Saman
Date Deposited: 20 May 2016 06:16
Last Modified: 24 Mar 2023 07:18
URI: http://ir.unimas.my/id/eprint/12109

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