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Influence Of Tree Plantation Gmelina Arborea And Gliricidia Sepium On Soil Physico-Chemical Properties In Abakaliki, Southeast, Nigeria

Henry Obiahu Otai, Daniel Aja, Chukwuebuka Christopher Okolo () and Chizoba Obianuju Oranu
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Henry Obiahu Otai: Department of Environmental Science, Addis Ababa University, Ethiopia
Daniel Aja: Department of Environmental Science, Addis Ababa University, Ethiopia
Chukwuebuka Christopher Okolo: Department of Land Resources Management and Environmental Protection, Mekelle University Ethiopia
Chizoba Obianuju Oranu: Department of Agricultural Economics, University of Nigeria Nsukka, NigeriaAuthor-Name:James Nte Nwite

Acta Chemica Malaysia (ACMY), 2018, vol. 2, issue 2, 23-28

Abstract: The study examined the influence of the two most prominent exotic species in Abakaliki, southeast, Nigeria and the nutrient accumulation on the soils. The plantations species were Gmelina arborea (Gmelina) established in 1988 and Gliricidia sepium established in the same year. The treatments were: Gmelina Plantation Area (GmPA), Gmelina Free Area GmFA, Gliricidia Plantation Area (GlPA), Gliricidia Free Area GlFA. The experiment was established as a Randomized Complete Block Design (RCBD) with four (4) treatments replicated six (6) times. Ground-truthing survey was carried out using a Geographical Positioning System (GPS) and the point data were keyed in into arc GIS software to delineate the study area. The Gmelina and Gliricidia plantation areas and their respective free areas were mapped into 6 plots, and on each plot, sampling points were randomly established, soil samples were taken using soil auger within 0-20cm soil depth. The overall results of exchangeable bases of the soil indicates that calcium (Ca), magnesium (Mg), cation exchange capacity (CEC), base saturation (BS), exchangeable sodium percentage (ESP) and sodium adsorption ratio (SAR) differs significantly (P 0.05) from the influence of Gmelina and Gliricidia plantations. Our study further revealed that influence of tree plantation on physical properties showed significant difference (P 0.05). Tree plantation and biodiversity conservation ensure sustainable management of natural forest resources. Participation of NGOs and private individuals in plantation development could also be enhanced through the organized taungya farming system and other forms of tree planting like agroforestry system for improved soil conservation and restoration of degraded lands.

Keywords: Agroforestry; Biodiversity; Biomass; Landuse; Soil Quality; Plantation.Journal: Acta Chemica Malaysia (ACMY) (search for similar items in EconPapers)
Date: 2018
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DOI: 10.26480/acmy.02.2018.23.28

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Acta Chemica Malaysia (ACMY) is currently edited by Dr-Muhammad Rehan Hasan

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