Department: ZEF C


Wassmann, R. and P. L. G. Vlek.  2004.  Tropical Agriculture in Transition - Opportunities for Mitigating Greenhouse Gas Emissions.  Kluwer Academic Publishers. Dordrecht, the Netherlands.
Yuwono, A.S. and P. Schulze Lammers.  2004.  Overview paper: Odour pollution in the environment and the detection instrumentation.  Agricultural Engineering International: The CIGR Journal of Scientific Research and Development, Vol. VI   .
Yuwono, A.S. and P. Schulze Lammers.  2004.  Performance test of a sensor array – based odour detection instrument.  Agricultural Engineering International: The CIGR Journal of Scientific Research and Development, BC 03 009   .


Bach, K., M. Schawe, S. Beck, G. Gerold, S.R. Gradstein and M. Moraes R.  2003.  Vegetación, suelos y clima en los diferentes pisos altitudinales de un bosque montano de Yungas, Bolivia: Primeros resultados.  Ecología en Bolivia 38, : pp. 3-14   .
Bationo, A., U. Mokwunye, P.L.G. Vlek, S. Koala and B.I. Shapiro.  2003.  Soil fertility management for sustainable land use in the West African Sudano-Sahelian Zone.  In: Gichuru, M. P., A. Bationo, M. A. Bekunda, H. C. Goma, P. L. Mafongonya, D. N. Mugendi, H. M. Murwira, S. M. Nandwa, P. Nyathi, P. and M.J. Swift (eds.): Soil fertilkity management in Africa: A regional perspective. Academic Science Publishers, African Academy of Sciences, Nairobi, Kenya.  
Bielders, C.L., J.P.A. Lamers and K. Michels.  2003.  Wind erosion control technologies in the West African Sahel: the effectiveness of windbreaks, mulching and soil tillage, and the perspective of farmers.  Annals of Arid Zone, 40(3)   : 369-394   .
Briët, O.J.T., J. Dossou-Yovo, E. Akodo, N. van de Giesen and T.M. Teuscher.  2003.  The relationship between Anopheles gambiae density and rice cultivation in the savannah zone and forest zone of Côte d’Ivoire.  Tropical Medicine and International Health, Vol 8(5)   : 439-448   .
Chivenge, P. P., J. P. Dimes, N. Nhamo, J. Nzuma and H. K. Murwira.  2003.  Evaluation of APSIM to simulate maize response to manure inputs in wet and dry regions of Zimbabwe.  In: R. Delve and M. Probert (eds.): Modeling nutrient management in cropping systems.  
Cissé, M and P.L.G. Vlek.  2003.  Conservation of urea-N by immobilization-remobilization in a rice-Azolla intercrop.  Plan Soil, 250   : 95 -104   .
Cissé, M and P.L.G. Vlek.  2003.  Influence of urea on biological N2 fixation and N transfer from Azolla intercropped with rice.  Plant Soil, 250   : 105 – 112   .
Fosu, M., R. Kühne and P. Vlek.  2003.  Recovery of Cover-Crop-N in the soil-plant system in the Guinea Savannah Zone of Ghana.  Biology and Fertility of Soils Journal, 39   : 117 – 122   .
Gerold, G., M. Schawe and L. Joachim.  2003.  Pedoökologische hypsometrische Varianz in ungestörten Bergregenwäldern der Anden (Yungas).  Geooeko 24, : pp. 153-162   .
Gorfu, A., R.F. Kuehne, D.G. Tanner and P.L.G. Vlek.  2003.  Recovery of 15N-labelled urea applied to wheat (Triticum aestivum L.) in th Ethiopian highlands as affected by P fertilization.  J. Agronomy & Crop Science, 189   : 30 – 38   .
Hafeez, M..  2003.  Scale and productivity in irrigation: rice in the Philippines.  Technical Report 2002/2003 of Center for Development Research, 38   : 16-18   .
Hafeez, M., N. Van De Giesen and P. Vlek.  2003.  Water-use efficiency in irrigated rice.  Quarterly Technical Bulletin of Center for Development Research, 10   : 4-5   .
Haryani, S., N. Datta, A.J. Elliott and H.C. Deeth.  2003.  Production of proteinases by psychrotrophic bacteria in raw milk stored at low temperature.  Australian Journal of Dairy Technology. Vol.58, No.1, .
Hedden-Dunkhorst, B., M. Denich, K. Vielhauer, A. Mendoza- Escalante, J. Börner, T. Hurtienne, F.R. de Sousa Filho, T.D. de Abreu Sá and F. de Assis Costa.  2003.  Forest-based fallow systems: a safety net for smallholders in the Eastern Amazon?.  <a href="" target="_blank"></a> topics/topic_1.htm.
Herbst S., T.Kistemann, D.Fayzieva D.  2003.  Comparison of the incidence of diarrhoeal diseases in two regions of the Aral Sea area, Uzbekistan.  In: C.A.Brebbia and D.Fayzieva (eds.): Environmental Health Risk II. WIT Press, Southampton.   153-161. 
Kaizzi C.K., H. Ssali, A. Nansamba, G. Ruecker and P. Vlek.  2003.  Estimated Farm-Level Nutrient Balances for the Farming Systems of Eastern Uganda.  Crop Science Journal of East Africa, : 22   .
Kufa, T., T. Shimber and A. Yilam.  2003.  Intercropping coffee with sweet orange at Jimma Agricultural Research Centre, Ethiopia (2003).  Journal of Coffee and Cocoa (4), : p 2   .
Kufa, T., T. Shimber, A. Nstere and A. Yilam.  2003.  The roles of improved management practices to control coffee branch die-back in south-western Ethiopia.  Journal of Coffee and Cocoa, (4), : p 2   .
Kunstmann, H. and G. Jung.  2003.  Investigation of feedback mechanisms between soil moisture, land use and precipitation in West Africa.  IAHS publication 280: Water Resources Systems – Water Availability and Global Change, : 149-159   .
Li, Z., B. Zhao, and Z. Zhu.  2003.  Species and distribution of mountain bamboos in Shennongjia.  J. For. Res, 14   : 35-38   .
Li, Z., L. Deng, B. Zhao, and Z. Zhu.  2003.  Shoot sprouting of arrow bamboo Fargesia spathacea along an altitudinal gradient in Central China.  Bamb. J, 20   : 1-11   .
Masiyandima, M.C., N. van de Giesen, S. Diatta, P.N. Windmeijer and T.S. Steenhuis.  2003.  The Hydrology of Inland Valleys in the Sub-Humid Zone of West Africa: Runoff Processes in the M’bé Experimental Watershed.  Hydrological Processes, Vol 17   : 1213-1225   .
Nhamo, N., W. Mupangwa, S. Siziba, T. Gatsi and D. Chikazunga.  2003.  The role of Cowpea (Vigna Unguiculata) among other grain legumes in the management of soil fertility in the smallholder farming sector of Zimbabwe.  In: S. Waddington (eds.): Grain Le.  
Obuobie, E., G. Danso and P. Drechsel.  2003.  Access to land and water for urban vegetable farming in Accra.  Urban Agriculture Magazine 11, : pp15-17   . Download [PDF]
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Schawe, M., S. Glatzel and G. Gerold.  2003.  Bodengenese entlang eines Vertikaltranssekts in bolivianischen Bergregenwäldern.  Mitt. Deutsch. Bodenk. Ges. 102, : pp. 561-562   .
Senbeta, F. and Teketay, D.  2003.  Diversity, community types and population Structure of woody plants in Kimphee Forest: a Unique Nature Reserve in Southern Ethiopia.  Ethiopian Journal of Biological Society 2(2), : pp. 169-187   .
Somado, E. A., M. Becker, R. Kühne, K. L. Sahrawat, P.L.G. Vlek.  2003.  Rock-P effects on biomass and nitrogen accumulation by legumes in upland crop production systems of humid West Africa.  Journal of Plant Nutrition and Soil Science (submitted), .
Somado, E.A., M. Becker, R. Kühne, K. L. Sahrawat and P.L.G. Vlek.  2003.  Combined effects of legumes with rock phosphorus on rice in West Africa.  Agronomy Journal, 95 (5)   : 1172-1178   .
Vergara, C., S. Schröder, M. Almanza and D. Wittmann.  2003.  , D. 2003. Suppression of ovarian development of Bombus terrestris (Linnaeus) workers by B. terrestris queens, Psithyrus vestalis (Geoffroy) and Psithyrus bohemicus Seidl females.  Apidologie Vol. 34 N°6, .
Wall, C. and J.P.A. Lamers.  2003.  Farmer priority setting: Issues and research needs for Khorezm, Uzbekistan.  ZEF Work Papers for Sustainable Development in Central Asia. Zentrum für Entwicklungsforschung (Centre for Development Reserach) ZEF Bonn.   3-23.  Further Information
Wegner, C., M. Wunderlich, M. Kessler and M. Schawe.  2003.  Foliar C:N ratios of Ferns along an Andean elevational gradient.  Biotropica: 35, : pp. 486-490   .
Yuwono, A. S. and P. Schulze Lammers.  2003.  Performance Test of a Sensor Array - Based Odor Detection Instrument.  The CIGR Journal of Scientific Research and Development. Manuscript Number BC 03 009, .


Bhuiyan, S.H., Le, Q.B.  2002.  Decentralizations and natural resource management: A Colombian case.  Journal of Politics Administration and Changes, 37   : 43-67   .
Braimoh, A.K.  2002.  Integrating indigenous knowledge and soil science to develop a national soil classification system for Nigeria.  Agriculture and Human Values, 19   : 75-80   .
Brunner, A.C., G.R. Ruecker, S.J. Park and P.L.G. Vlek.  2002.  Modelling approach to identify sustainable land management techniques on erosion-affected slopes.  In: Nkonya, E., D. Sserunkuuma and J. Pender (eds.): Policies for Improved Land Management in Uganda. Second National Workshop. Washington.   111-117. 
Callo-Concha D., Krishnamurthy L. and J. Alegre.  2002.  Secuestro de Carbono por Sistemas Agroforestales Amazónicos.  Revista Chapingo: Ciencias Forestales y Medio Ambiente, VIII (2)   : 101-106   . Further Information
Denich, M. and G. Schroth.  2002.  Concepts and paradigms for the management of ecosystem resources.  In: R. Lieberei, H. Bianchi, V. Boehm, C. Reisdorff (eds.): Neotropical Ecosystems. Proceedings of the 4th SHIFT-Workshop 2000. Hamburg, GKSS, Geesthacht.   68-73.