Farmer participatory evaluation of legume cover crop and biomass transfer technologies for soil fertility improvement using farmer criteria, preference ranking and logit regression analysis

Nyende, P. and Delve, R.J. (2004) Farmer participatory evaluation of legume cover crop and biomass transfer technologies for soil fertility improvement using farmer criteria, preference ranking and logit regression analysis. Experimental Agriculture, 40 (1). pp. 77-88.

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Abstract

Canavalia ensiformis, Crotalaria grahamiana, Dolichos lablab, Mucuna pruriens, Tephrosia vogellii and Tithonia diversifolia were evaluated as potential species for soil fertility replenishment in on-farm adaptive trials, farm visits and field days in Tororo District, eastern Uganda. Farmers used multiple criteria for assessing and selecting those species that fitted within their production systems and production objectives. Farmers also adapted the technologies to allow for local opportunities and constraints. A preference ranking and logit regression analysis of probabilities of acceptance of the species conducted in 19 farmer groups showed that Mucuna had high, Tithonia and Crotalaria intermediate, and Canavalia, Lablab and Tephrosia low probabilities of being accepted or adopted. The evaluations showed that whilst technologies need to be adapted, a single-use technology had little chance of large-scale adoption. This paper highlights adaptations/innovations by farmers, and opportunities for participatory action research targeting farmers' production objectives.

Item Type: Article
Author Affiliation: Tropical Soil Biology and Fertility of International Centre for Tropical Agriculture, P.O. Box 6247 Kampala, Uganda.
Subjects: Soil Science and Microbiology
Environmental Science
Divisions: Other Crops
Depositing User: Mr Balakrishna Garadasu
Date Deposited: 09 May 2013 05:04
Last Modified: 09 May 2013 05:04
Official URL: http://dx.doi.org/10.1017/S0014479703001443
URI: http://eprints.icrisat.ac.in/id/eprint/10493

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