Kenya Agriculture Research Institute2015-08-072015-08-072001http://localhost:8080/dspace/handle/0/8576This working paper discusses the impact of a multi-institutional research programme In low potential areas of Kenya. The programme elaborated nutrient balances, combined With economic analYSIS, to better understand causes and effects of SOil fertility decline. Alongside, better SOil fertility management practices were developed using a participatory technology approach This paper assesses to what extent farmers changed their practices, If the program has Influenced way of working With extension and research, or has led to better informed policiesenhttp://creativecommons.org/licenses/by/3.0/Book24Soil fertilityNutrientsanalysisTechnology