Comparison of the growth and biomass production of six acacia species in Riyadh, Saudi Arabia after 4 years of irrigated cultivation |
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| Authors: | Ibrahim M. Aref L. I. El-Juhany Said S. Hegazy |
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| Affiliation: | Plant Production Department, College of Agriculture, King Saud University, P. O. Box 2460, Riyadh, 11451, Saudi Arabia |
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| Abstract: | The growth and biomass production of six acacia species were studied in the field for 4 years. The species used were Acacia asak, A. negrii, A. seyal, A. karroo, A. ampliceps, and A. stenophylla. The first three species are indigenous while the others are exotic. The results showed both A. ampliceps and A. asak with 100% survival while all A. negrii died. Acacia ampliceps attained the greatest height, diameter, relative growth rate and above-ground biomass while A. asak had the least. Height and diameter growth of acacia species decreased between warm and cold periods of the year. |
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| Keywords: | Acacia ampliceps Acacia asak Acacia karroo Acacia negrii Acacia seyal Acacia stenophylla tree biomass relative growth rate (RGR) |
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