Assessing factors influencing types, rate of application and timing of fertilizer use among small-scale farmers of western Kenya

Many soil fertility amelioration technologies exist in western Kenya, but the factors that influence the adoption, and the economic returns of these technologies needs to be assessed. In this study, the value cost ratios (VCR) of five different fertilizers (Diammonium phosphate; Nitrogen Phosphorus and Potassium; agricultural lime; Minjingu phosphate rock; and Organic manure largely farmyard manure) were computed using data obtained from surveying 267 households and 30 fertilizer traders. The value cost ratios (VCR) values ranged from 1.4 - 3.6. Apart from that of organic fertilizers of 1.4, the VCRs are adequate to induce fertilizers’ adoption by farmers. It is imperative that individual farmers’ economic optimal rate of fertilizer application be established to maximize economic gains.
Beaucoup de technologies d’amélioration de fertilité du sol existent au Kenya occidental, mais les facteurs qui influencent l’adoption et les retombées économiques de ces technologies doivent être évalués. Dans cette étude, les valeurs du coût de cinq engrais différents (phosphate de diammonium; azote phosphore et potassium ; engrais calcique ; Phosphate naturel de Minjingu ; et l’engrais organique en grande partie l’engrais de basse-cour) ont été calculées en utilisant des données obtenues en interrogeant 267 ménages et 30 vendeurs d’engrais. Les valeurs du coût se sont étendues de 1.4 - 3.6. Indépendamment de celui des engrais organiques de 1.4, ces coûts sont satisfaisants pour induire l’adoption des engrais par des fermiers. Il est impératif que le taux optimal économique de différents fermiers pour l’application d’engrais soit établi pour maximiser des gains économiques.
Date of publication: 
Region Focus: 
East Africa
RUFORUM Conferences and Workshops
Licence conditions: 
Open Access
Access restriction: 
Printed resource

About the RUFORUM 2010 Biennal Conference
"The 2010 RUFORUM Biennial Conference was the second in the series. The main objective of the Biennial conferences is to provide a platform for agricultural research for development stakeholders in Africa and beyond to actively exchange findings and experiences, while at the same time learning lessons towards improving performance of the agricultural sector and ultimately people’s livelihoods. The biennial conference is RUFORUM’s most comprehensive meeting for the diversity of stakeholders in agriculture. It is especially dedicated to graduate students and their supervisors, grantees in RUFORUM member universities and alumni. It is a platform for peer review, quality control, mentorship, networking and shared learning. This record contains an extended abstract accepted under the theme of Natural Resource Management"