Connecting-Africa | Jager, Ir. A. de (André)

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Jager, Ir. A. de (André)
Profession Scientist / researcher
Geographic expertise Africa; Africa South of Sahara; Burkina Faso; Ethiopia; Ghana; Kenya; Mali; Southern Africa; Tanzania; Uganda
Thematic expertise Agricultural Economics; Soil Fertility; Soil Management; Sustainable Agriculture; Sustainable Development
MDG expertise Poverty; Hunger; Sustainable debt
E-mail andre.dejager@wur.nl
Telephone 31-70-3358341; 31-06-29567060
NARCIS (Dutch Research Database) PRS1290219
Organisation / affiliation

1.	Wageningen University and Research Centre	Wageningen
2.	Agricultural Economics Research Institute B.V. (LEI)	The Hague
3.	Wageningen International	Wageningen
20 publications found in harvested repositories

1.	Turning the tides of soil degradation in Africa: capturing the reality and exploring opportunities 2005 - Muchena, F.N.; Onduru, D.D.; Gachini, G.N.; Jager, A., de
2.	Participatory technology, policy and institutional development to address soil fertility degradation in Africa 2005 - Jager, A., de
3.	Using NUTMON to Evaluate Conventional and Low External Input Farming Practices in Kenya and Uganda 2003 - Jager, A., de; Onduru, D.; Walaga, C.
4.	Development of commercial field vegetable production, distribution and marketing for the East African market. Literature review Kenya 2007 - Wiersinga, R.C.; Jager, A., de
5.	Farm nitrogen flows of four farmer field schools in Kenya 2008 - Beek, C.L., van; Onduru, D.D.; Gachimbi, L.N.; Jager, A., de
6.	Development of appropriate processing technology for fruit and vegetable export by smallholder farmers in Kenya in cooperation with Equator Products Matuu, Kenya 17 - 21 September, 2007 2007 - Onduru, D.D.; Jager, A., de
7.	Farmer Field Schools for Rural Empowerment and Life-Long Learning in Integrated Nutrient Management: Experiencies in Eastern and Central Kenya 2008 - Jager, A., de; Onduru, D.D.; Gachimbi, L.N.; Muchena, F.N.; Beek, C., ter
8.	Exploring new pathways for innovative soil fertility management in Kenya 2001 - Onduru, D.D.; Jager, A., de; Gachini, G.N.; Diop, J.M.
9.	Identification of opportunities and setting agenda of activities in the Ethiopian Fruits and Vegetables Sector: mission report 2007 - Wiersinga, R.C.; Jager, A., de
10.	Socio-economic factors, soil fertility management and cropping practices in mixed farming systems of sub-Saharan Africa: a study in Kiambu, Central Highlands of Kenya 2007 - Onduru, D.D.; Jager, A., de; Muchena, F.N.; Gachimbi, L.; Gachini, G.N.
11.	Development of Integrated Nutrient Management Systems in Semi-Arid Areas of Kenya 2006 - Gachimbi, L.N.; Itabari, J.K.; Karuku, A.M.; Keulen, H., van; Jager, A., de; Maina, F.W.; Thuranira, E.G.
12.	Nutrient balances at farm level in Machakos (Kenya), using a participatory nutrient monitoring (NUTMON) approach 2005 - Gachimbi, L.N.; Keulen, H., van; Thuranira, E.G.; Karuku, A.M.; Jager, A., de; Nguluu, S.; Ikombo, B.M.; Kinama, J.M.; Itabari, J.K.; Nandwa, S.M.
13.	Attaining Sustainable Farm Management Systems in Semi-Arid Areas in Kenya: Few Technical Options, Many Policy Challenges 2006 - Jager, A., de; Keulen, H., van; Mainah, F.; Gachimbi, L.N.; Itabari, J.K.; Thuranira, E.G.; Karuku, A.M.
14.	The Hidden Costs of Soil Mining to Agricultural Sustainability in Developing Countries: A Case Study of Machakos District Eastern Kenya 2005 - Onduru, D.D.; Jager, A., de; Gachini, G.N.
15.	Attaining Sustainable Farm Management Systems in Semi-Arid Areas in Kenya: Few Technical Options, Many Policy Challenges 2005 - Jager, A., de; Keulen, H., van; Mainah, F.; Gachimbi, L.N.; Itabari, J.K.; Thuranira, E.G.; Karuku, A.M.
16.	Participatory land use analysis for semi-arid regions in Kenya: a nutrient monitoring approach 2005 - Gachimbi, L.N.; Keulen, H., van; Jager, A., de; Thuranira, E.G.; Karuku, A.M.; Itabari, J.K.; Nguluu, S.; Gichangi, E.M.
17.	Bringing farmers together 2005 - Zake, J.; Walaga, C.; Jager, A., de
18.	Participatory land use analysis for semi-arid regions in Kenya: a nutrient monitoring approach 2005 - Gachimbi, L.N.; Keulen, H., van; Jager, A., de; Thuranira, E.G.; Karuku, A.M.; Itabari, J.K.; Nguluu, S.; Gichangi, E.M.
19.	Participatory diagnosis of soil nutrient depletion in semi-arid areas of Kenya 2002 - Gachimbi, L.N.; Jager, A., de; Keulen, H., van; Thuranira, E.G.; Nandwa, S.M.
20.	Participatory diagnosis of soil nutrient depletion in semi-arid areas of Kenya 2002 - Jager, A., de; Gachimbi, L.N.; Keulen, H., van; Thuranira, E.G.; Nandwa, S.M.