Major Findings: The additional maize produced from a given amount of fertilizer applied varied widely across households … per kg nitrogen applied; Under the range of conditions and smallholder management practices, average maize fertilizer … response rate and profitability of fertilizer use included timely availability, application rates less than the MOA 4x4 …

in Africa. There are many important and often complementary determinants of agricultural productivity. In this brief and … the full paper it draws from, the focus is on fertilizer and improved seed, without intending to imply that they are the …

This study uses nationwide household panel survey data from 1996/97 to 2006/07 to examine trends in fertilizer use on … maize by smallholder maize growers. The paper also compares these findings with fertilizer use rates according to other … recent surveys in Kenya to assess comparability. We also examine the correlation between household fertilizer use and …

Africa, based at International Water Management Institute, Pretoria, South Africa, and by the United States Agency for … International Development's Africa Bureau. Much of the data and analysis reported in this study was carried out under the Tegemeo …

fertilizer profitable in Zambia for maize and cotton in the smallholder sector?” This study identifies the key components … fertilizer use on maize and cotton. Several cases are selected and the results are evaluated. Private profitability for the … extensionists to use to assess a fertilizer investment is given, to assist in more site specific analysis, given prices and …

/FAO-SFI studies on fertilizer profitability in Rwanda; and to incorporate information and comments obtained from participants in the … December 15, 1999, MINAGRI Fertilizer Profitability Workshop conducted to present and validate the preliminary findings of the …

The paper has several specific objectives. First, it identifies how fertilizer marketing costs and the types of … fertilizer subsector in Kenya with a view to identifying organizational and institutional changes that could improve its … performance. Various types of fertilizer supply chains serving farmers in western Kenya are identified, examine the cost structure …

Fertilizer use remains very low in most of Africa despite widespread agreement that much higher use rates are required …-ecological Zone IIA, a relatively high potential zone of Zambia, to determine the profitability of fertilizer use under a range of … within Zone IIA, the maize-fertilizer response rate in the two specific years varied widely across households. The main …