Browsing by Author "Itabari, J.K."
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Item Assessment and Monitoring of Nutrient Flows and Stocks to Determine Appropriate Integrated Nutrient Management Strategies: Methodological Approach Adapted for Arid and Semi-arid Lands of Kenya, 2000(Kenya Agricultural Research Institute, 2000) Kenya Agricultural Research Institute; Gachimbi, L.N.; Ikombo, B.M.; Itabari, J.K.; Nguluu, S.M.; Thuranira E.G.; de Jager, A.; Kulen, H.V.; Kenya Agricultural Research InstituteKenya's arable land comprises 44.6 million hectares, of which about 33.6 million ha is either semi- arid or arid (ASAL). The aim of agricultural development in the country is to increase agricultural production in a sustainable manner, through integrated crop management approaches under different cropping systems and appropriate tillage practices. Integrated crop management. in this context, refers to the application of the best available management techniques for nutrients, water and crop protection. The rapid increase in Kenya's population has resulted in three distinct phenomena. Firstly, there is the rapid rural-urban migration in search of better job opportunities. Secondly, there is out migration from the high and medium rainfall areas in search of new farmlands in the ASALs. Introduction of crop production technologies from high potential areas has proven sometimes disastrous if not accompanied by various soil nutrient adding/saving or water conservation approaches. Appropriate technology is thus lacking. Thirdly, tremendously increased pressure on land has necessitated intensification of land use, resulting in land degradation. Substantial parts of ASAL, are located in Machakos. Mwingi. Makuena. Kitui and Kajiado districts.Item Development of Integrated Nutrient Management Practices in Semi-arid areas of Kenya using Participatory Leaming and Action Research Approach: Final Report(Kenya Agricultural Research Institute, 2004) Gachimbi, L.N.; Thuranira, E.G.; Karuku, A.M.; Itabari, J.K.; Nguluu, S.N.; Gichangi, E.M.; De Jager, A.; Van Keulen, H.; Kenya Agricultural Research Institute; Kenya Agricultural Research Institute; Wageningen Univerity and Research centre, The Hague, The Netherlands.; Plant Research International, Wageningen University and Research center, Wageningen, The Netherlands.In order to address the problems of low soil fertility in the ASAL, the project "Assessment and monitoring of nutrient flows and stocks to determine appropriate integrated nutrient management strategies for semi-arid lands in Kenya". The nutrient monitoring in semi-arid lands (NUTSAL) project was formulated and implemented in the period 1998-2003. The objective of the project was to analyse the nutrient management practices in the semi-arid areas and to design, test and disseminate improved, integrated soil fertility management recommendations for various land use zones, soil types, farming systems and farm types through participatory efforts of scientists and other stakeholders.
