22 treff

soil management africa
Soil fertility management in Sub-Saharan Africa
Graeme Donovan, Frank Casey
Bok Engelsk 1998 · Vis mer
Integrated soil fertility management in Africa : principles, practices and developmental process
edited by Nteranya Sanginga and Paul L. W...
Bok Engelsk 2009 · Vis mer
Soil fertility management in West African land use systems : proceedings of the Regional Workshop University of Hohenheim, ICRISAT Sahelian Centre and INRAN, 4-8 March, Niamey, Niger ; Geneviève Renard... [et.al.] (editors) = Gestion de la fertilité des sols dans les systèmes d'exploitation d'Afrique de l'Ouest

Bok Engelsk 1998 · Vis mer
Efficient soil water use : the key to sustainable crop production in the dry areas of West Asia, and North and Sub-Saharan Africa : proceedings of the workshops organized by the Optimizing Soil Water Use Consortium, Niamey, Niger, April 26-30, 1998 and Amman, Jordan, May 9-13, 1999
Optimizing Soil Water Use Consortium
Bok Engelsk 1999 · Vis mer
Linking soil fertility management to agricultural input and output market development : the key to sustainable agriculture in West Africa
editors: Siegfried K. Debrah, Willem G. K...
Bok Engelsk 1999 · Vis mer
Management of vertisols in sub-Saharan Africa : proceedings of a conference held at ILCA, Addis Ababa, Ethiopia, 31 August-4 September 1987
edited by S.C. Jutzi ... [et al.]
Bok Engelsk 1988 · Vis mer
Vis flere utgaver
Vis flere utgaver
The sustainable management of vertisols
edited by J. Keith Syers, Frits W.T. Penn...
Bok Engelsk 2001 · Vis mer
A review of soil and water management research in semi-arid areas of Southern and Eastern Africa
K. Morse
Bok Engelsk 1996 · Vis mer
Imperial Gullies : Soil Erosion and Conservation in Lesotho
Showers, Kate B.
Bok Engelsk 20050401 · Vis mer
Nutrients on the move : soil fertility dynamics in African farming systems
edited by Thea Hilhorst and Fred Muchena
Bok Engelsk 2000 · Vis mer
Rocks for crops : agrominerals for sub-Saharan Africa
Peter van Straaten
Bok Engelsk 2002 · Vis mer
The economics of soil productivity in sub-Saharan Africa

Bok Engelsk 2001 · Vis mer
Soil nutrient budgets and balances : what use for policy?
Ian Scoones and Camilla Toulmin
Bok Engelsk 1999 · Vis mer
Workshop on nutrient cycling and soil fertility management in Africa, Soddo, Welaita, Ethiopia, 26 November-2 December 1995 : hosted by the Farmers Research Project, FARM-Africa, Ethiopia as part of the EC STD Programme coordinated by the Drylands Programme, International Institute for Environment and Development, London

Bok Engelsk 1995 · Vis mer
Rethinking Nordic added value in research

Bok 2011 · Vis mer
Characterization of soils in relation to their classification and management for crop production : examples from some areas of the humid tropics
edited by D.J. Greenland
Bok Engelsk 1981 · Vis mer
Oversight of U.S. regional counterdrug efforts : hearing before the Subcommittee on National Security, International Affairs, and Criminal Justice of the Committee on Government Reform and Oversight, House of Representatives, One Hundred Fourth Congress, second session, March 12, 1998.
United States.
Bok Engelsk · Vis mer
Researching art and science in teaching
editors: Edvin Østergaard og Linda Jolly ...
Bok Engelsk 2011 · Vis mer
Fertility of soils : a future for farming in the West African savannah
Pieri, Christian J. M. G
Bok Engelsk 1992 · Vis mer
Conflict, social capital, and managing natural resources : a West African case study
edited by Keith M. Moore
Bok Engelsk 2005 · Vis mer
Rethinking natural resource degradation in Sub-Saharan Africa : policies to support sustainable soil fertility management, soil and water conservation among resource-poor farmers in semi-arid areas. Vol. I. Country overviews

Bok Engelsk 2002 · Vis mer