Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    We will mail you new results for this query: keywords==improved tree fallows
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Adoption dynamics of tithonia diversifolia for soil fertility management in pilot
Kiptot, E. - \ 2008
Experimental Agriculture 44 (2008)04. - ISSN 0014-4797 - p. 473 - 484.
improved tree fallows - technology - testers - zambia
This paper presents the results of a study that was undertaken to assess adoption dynamics of Tithonia diversifolia in Siaya and Vihiga districts of western Kenya from 1997 to 2004. The study was undertaken among a random sample of 120 farmers from eight pilot villages exposed to the technology. Descriptive statistics and a logit regression model were used to analyse data. The findings show that more farmers in pilot villages of Siaya are taking up the use of Tithonia than in Vihiga. As of 2004, 52% of farmers in Siaya were adopters compared to only 8% in Vihiga. Results of the logit regression model show that the use of Tithonia biomass for soil fertility management (SFM) is more likely to be adopted in a context where there is a scarcity of animal manure, farmers are willing to plant it on farms and hire casual labour. The use of Tithonia by smallholder farmers for SFM is therefore a promising low-cost option that can be scaled up to areas where farmers face similar constraints.
Sharing seed and knowledge: farmer to farmer dissemination of agroforestry technologies in Western Kenya
Kiptot, E. ; Franzel, S. ; Hebinck, P.G.M. ; Richards, P. - \ 2006
Agroforestry Systems 68 (2006)3. - ISSN 0167-4366 - p. 167 - 179.
improved tree fallows - zambia - improvement - adoption - maize
Although there¿s increasing emphasis on farmer-led extension in rural development, very few studies have been done to understand the social processes involved. This study was undertaken to identify farm and farmer characteristics that may influence dissemination of seed and knowledge of improved fallows and biomass transfer, to whom, how and what is disseminated. This was done by carrying out a formal and informal survey involving a random sample of 120 farmers from Siaya and Vihiga districts of western Kenya who were involved in a pilot project on soil fertility replenishment by the World Agroforestry Centre (ICRAF), Kenya Forestry Research Institute (KEFRI) and Kenya Agricultural Research Institute (KARI). A second survey involved 40 farmers, selected using the snowball sampling technique that were given seed and information by the first group of farmers. Descriptive statistics and logit regression models were used to analyze data. Results presented showed that seed and knowledge were mostly shared along kinship ties. Furthermore, informal social networks were found to be more effective for seed than knowledge. This calls for simplification of technical information by development professionals in order to help support farmers¿ understanding and communication of complex principles. Farmers with leadership status in their groups, those who belonged to many groups and those with larger farm sizes were more likely to give out seed of improved fallows. These categories of farmers could be targeted to enhance the spread of technologies.
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