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Effects of Single-crop Agri-silviculture on Soil Analysis

Published online by Cambridge University Press:  03 October 2008

S. O. Ojeniyi  and
O. O. Agbede
S. O. Ojeniyi
Affiliation:
Cocoa Research Institute of Nigeria, Ibadan
O. O. Agbede
Affiliation:
Forestry Research Institute of Nigeria, Ibadan, Nigeria
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Summary

Experiments were carried out to examine the effects of agri-silviculture in three different ecological zones of Southern Nigeria. The four treatments considered were Gmelina arborea (forest tree crop) alone, Gmelina + maize, Gmelina + yam, and Gmelina + cassava, each treatment being replicated 8 times in each location. Composite soil samples, collected from two surface layers of each treatment plot, were analysed. Inter-planting young forest plantations with food crops usually increased soil N and P, at the slight expense of soil organic carbon. However, exchangeable Ca, Mg and K contents, pH, and soil N and P contents, were not statistically different among the treatment plots.

Type
Research Article
Information
Experimental Agriculture , Volume 16 , Issue 4 , October 1980 , pp. 371 - 375
Copyright
Copyright © Cambridge University Press 1980

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