Adaptation and Growth Performance Evaluation of Nitrogen Fixing Tree/Shrub Species in Dello-menna District of Bale zone, Southeast Ethiopia

  • Wondmagegn Bekele Oromia Agricultural Research Institute
  • Bikila Mengistu Oromia Agricultural Research Institute
  • Hirpha Ababa Oromia Agricultural Research Institute
  • Zerihun Dibaba Oromia Agricultural Research Institute
  • Fikru Ameyu Oromia Agricultural Research Institute
Keywords: Agroforestry, Plant Height, Root Collar Diameter, Survival Rate
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Prior integration of any tree/shrub species in a given land use system, there is always the need of undertaking a field trials to assess their adaptability and growth performance under a particular environment. Study was planned and conducted to evaluate the adaptability potential and growth performance of six nitrogen fixing tree/shrub species in Dello-menna district of Bale zone, southeast Ethiopia. The considered species in the study are Cajanus cajan, Flemingia macrophylla, Gliricidia sepium, Sesbania sesban, Calliandra calothyrsus, and Leucaena leucocephela. Seedlings were produced in a nursery site and transplanted to the experimental site. The experiment was laid out in RCBD design with three replications, and the management practices employed uniformly for each species throughout the stud period. In the study the necessary growth performance data parameters; plant height, root collar diameter and survival rate were measured and recorded. Thereafter, the data was analysed by GenStat (15th ed) and Excel computerized programs. Results obtained showed that, these growth performance data parameters were significantly (p < 0.05) varied among the tested species. In this respect, F. macrophylla, S. sesban, G. sepium and C. cajan attained the higher mean values in survival rate, plant height and root collar diameter. While L. leucocephela and C. calothyrsus attained the lowest mean values for the entire growth performance parameters. Hence, it can be inferred that the study site matched well with the environmental requirement of F. macrophylla, S. sesban, G. sepium and C. cajan. The species therefore offers much promise for future use in any of agroforestry practices in the area. However, evaluation of their contribution to soil fertility improvement and crop yield needs to be further investigated as this may insights to know their nutrient provision potential while integrated together with annual and/or perennial plants in agroforestry land use system.


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2 June, 2021
How to Cite
Bekele, W., Mengistu, B., Ababa, H., Dibaba, Z., & Ameyu, F. (2021). Adaptation and Growth Performance Evaluation of Nitrogen Fixing Tree/Shrub Species in Dello-menna District of Bale zone, Southeast Ethiopia. East African Journal of Forestry and Agroforestry, 3(1), 40-45.