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Title of Journal: Agroforest Syst

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Abbravation: Agroforestry Systems

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Springer Netherlands

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DOI

10.1016/0142-727x(88)90036-7

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1572-9680

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Adoption potential of selected organic resources f

Authors: Jayne Mugwe Monicah MucheruMuna Daniel Mugendi James Kung’u Andre Bationo Franklin Mairura
Publish Date: 2009/03/15
Volume: 76, Issue: 2, Pages: 467-485
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Abstract

Soil fertility decline is the major cause of declining crop yields in the central highlands of Kenya and elsewhere within the African continent This paper reports a study conducted to assess adoption potential of two leguminous trees two herbaceous legumes cattle manure and Tithonia diversifolia either solely applied or combined with inorganic fertilizer for replenishing soil fertility in the central highlands of Kenya The study examined biophysical performance profitability feasibility and acceptability and farmers experiences in managing and testing the inputs The study was based on a series of studies incorporating both sociological and experimental approaches for two and a half years Results of on farm trials showed that manure + fertilizer and tithonia + fertilizer treatments increased yields by more than 100 above the control These treatments were the most profitable having highest net benefits and benefit cost ratios They were also the most commonly preferred by farmers who used them on larger plots compared to the other inputs In conclusion cattle manure and tithonia were found to be the organic materials with the highest adoption potential for soil fertility improvement in this area Calliandra calothyrsus and Leucaena trichandra on the other hand have potential for use as animal fodder The herbaceous legumes had the least adoption potential due to poor performance recorded on the farms that possibly led to low preference by the farmers However issues of sustainable seed production could have played a role This study recommends some policy issues for enhancing adoption and research issues focusing on exploring strategies for increasing biomass production and use efficiency on farmsFinancial support for work was provided by the Bentley Fellowship and the Rockefeller Foundation We also appreciate the contributions of collaborators from the Kenya Agricultural Research Institute Kenya Forestry Research Institute Kenyatta University and the African Network AfNet of Tropical Soil Biology and Fertility Programme TSBF The cooperation of farmers who participated in this study is highly appreciated

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Other Papers In This Journal:
  1. Predictive models for biomass and carbon stock estimation in Psidium guajava on bouldery riverbed lands in North-Western Himalayas, India
  2. A conceptual business model for an agroforestry consulting company
  3. Biomass production and carbon stocks in poplar-crop intercropping systems: a case study in northwestern Jiangsu, China
  4. Contribution of trees to soil carbon sequestration under agroforestry systems in the West African Sahel
  5. Marginal effects on biodiversity, carbon sequestration and nutrient cycling of transitions from tropical forests to cacao farming systems
  6. Photosynthesis, growth and yield of soybean and maize in a tree-based agroforestry intercropping system on the Loess Plateau
  7. Hybrid poplar ( Populus ssp.) selections for arid and semi-arid intermountain regions of the western United States
  8. Women and agroforestry: four myths and three case studies
  9. Exotic tree species displace indigenous ones on farms at intermediate altitudes around Mount Kenya
  10. Seasonal dependence of rooting success in cuttings from natural forest trees in Madagascar
  11. Cover crops alter phosphorus soil fractions and organic matter accumulation in a Peruvian cacao agroforestry system
  12. Response of the common bean ( Phaseolus vulgaris L.) to Tithonia diversifolia (Hamsl.) Gray biomass retention or removal in a slash and mulch agroforestry system
  13. Forest changes over a century in Sardinia: implications for conservation in a Mediterranean hotspot
  14. Microclimatic differences between mature loblolly-pine silvopasture and open-pasture
  15. An evaluation of the century model to predict soil organic carbon: examples from Costa Rica and Canada
  16. The potential for carbon offset trading to provide added incentive to adopt silvopasture and alley cropping in Missouri
  17. Carbon storage in livestock systems with and without live fences of Gliricidia sepium in the humid tropics of Mexico
  18. Floral resource partitioning by ants and bees in a jambolan Syzygium jambolanum (Myrtaceae) agroforestry system in Brazilian Meridional Amazon
  19. Microclimate patterns on the leeside of single-row tree windbreaks during different weather conditions in Florida farms: implications for improved crop production
  20. Perennial crop-based agroforestry systems in Northeast Brazil
  21. Arbuscular mycorrhizal association of indigenous agroforestry tree species and their infective potential with maize in the rift valley, Ethiopia
  22. Modeling tree cover changes in a pasture-dominated landscape by adopting silvopastoral practices in a dry forest region in Central Brazil
  23. Strengthening capacity for agribusiness in agroforestry and natural resources in tertiary agricultural education in Africa: African Network for Agriculture, Agroforestry and Natural Resources Education (ANAFE)
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