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- Publisher
- Springer Journals
- Copyright
- Copyright © 2008 by Springer Science+Business Media B.V.
- Subject
- Life Sciences; Agriculture; Forestry
- ISSN
- 0167-4366
- eISSN
- 1572-9680
- DOI
- 10.1007/s10457-007-9056-7
- Publisher site
- See Article on Publisher Site
Abstract
This study examined the long-term growth performance of Cordia africana and Grevillea robusta , which are the most common indigenous and exotic trees, respectively, associated with crops in the Mount Kenya region. Local farmers prefer G. robusta to C. africana as on-farm trees because they believe that G. robusta grows faster. Measurements of height and diameter at breast height were made of 47 C. africana and 89 G. robusta trees for which the age was established based on interviews with farmers. The oldest G. robusta and C. africana trees were 55 and 46 years old, respectively. The apical growth rate for G. robusta was greater than that for C. africana in Katheri (a humid area). The differences between the two species were less remarkable in Ruiri (a dry-subhumid area). There was no notable difference in the radial growth performance of the two species in Katheri and Ruiri. These comparisons suggest that the long-term growth performance of C. africana is not necessarily inferior to that of G. robusta .
Journal
Agroforestry Systems – Springer Journals
Published: Mar 1, 2008