Working Document Series Open Access Assessing factors influencing types, rate of application and timing of fertilizer use among small-scale farmers of western Kenya M.K. Kifuko-Koech · A.K. Kipkoech · K.W Ndungu · A.O. Nekesa +1 more 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 diff… RUF-34603 2010 CC BY 4.0 8 Sep 2015