Nutrients (N, P and K) dynamics associated with the leaf litter of two agroforestry tree species of Bangladesh
H Mahmood (1) , SH Limon (1), MS Rahman (1), AK Azad (1), MS Islam (2), M Khairuzzaman (1)
iForest - Biogeosciences and Forestry, Volume 2, Issue 5, Pages 183-186 (2009)
doi: https://doi.org/10.3832/ifor0510-002
Published: Oct 15, 2009 - Copyright © 2009 SISEF
Research Articles
Abstract
Eucalyptus camaldulensis (Dehnh.) and Swietenia macrophylla (King.) are not native to Bangladesh, but they are widely used in agroforestry practices for their commercial values. Selection of tree species with efficient return of nutrients is a vital challenge in agroforestry practices to maintain the soil fertility for sustainable crop production. Therefore, a comparative study was conducted on nutrients (N, P and K) leaching from leaf litter of E. camaldulensis and S. macrophylla in laboratory condition. The initial dry weight of leaf litter of E. camaldulensis and S. macrophylla were significantly (p<0.05) decreased to 18% and 10%, respectively at the end of the experiment. Eucalyptus camaldulensis showed comparatively (t-test, p<0.05) higher rate of weight loss, conductivity and TDS (Total Dissolved Solid) of leached water. Comparatively, higher amount of N (48 μg g-1) was released from leaf litter of E. camaldulensis whereas higher amount of P (0.8 µg g-1) and K (23 mg g-1) from S. macrophylla, leaf litter and both the species showed similar pattern of nutrient (K>N>P) release during the leaching process. Nutrients (N, P and K) concentration in leaf litter of these species showed significant (p<0.05) negative exponential curvilinear relationships with the weight loss. Result of this study suggests that E. camaldulensis is the best in terms of N return and S. macrophylla the best in terms of P and K return.
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Authors’ Info
Paper Info
Citation
Mahmood H, Limon SH, Rahman MS, Azad AK, Islam MS, Khairuzzaman M (2009). Nutrients (N, P and K) dynamics associated with the leaf litter of two agroforestry tree species of Bangladesh. iForest 2: 183-186. - doi: 10.3832/ifor0510-002
Academic Editor
Francesco Loreto
Paper history
Received: Jun 12, 2008
Accepted: Jul 01, 2009
First online: Oct 15, 2009
Publication Date: Oct 15, 2009
Publication Time: 3.53 months
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© SISEF - The Italian Society of Silviculture and Forest Ecology 2009
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This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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