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2006.
Restoring Soil Fertility in Semi-Arid West Africa.
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Yield gaps and nutrient balances in intensive, rice-based cropping systems on degraded soils in the Red River Delta of Vietnam.
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Hydroclimatology of the Volta River Basin in West Africa: Trends and Variability from 1901 to 2002.
Physics and Chemistry of the Earth,
31
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Measurement and modelling of transpiration of a rain-fed citrus orchard under subhumid tropical conditions.
Agricultural Water Management,
87
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2006.
Participation: rhetoric and reality. The importance of understanding stakeholders based on a case study in Upper East Ghana.
International Journal of Water Resources Development,
22(4)
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Feeding rates of soil organisms at four different forest sites in Central Amazonia.
Journal of Tropical Ecology,
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Hydrometeorological patterns in relation to forest structure and plant species diversity along an elevational gradient in a montane cloud forest in the Yungas, Bolivia.
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2006.
Nitrogen Gas emission in cotton fields.
Agriculture in Uzbekistan, No 6, 14 (in Russian) .
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Nitrous Oxide Emission from Cotton Fields.
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Schutz und Nutzung der biologischen Vielfalt von Bergregenwald mit wildem Kaffee (Coffea arabica L.) in der Bonga-Region Südwest-Äthiopiens.
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Bundesamt für Naturschutz: Bonn.
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2006.
Impact of traditional coffee management on the biodiversity of natural coffee forests in Bonga region (SW Ethiopia).
In: Society for Tropical Ecology (eds.):
19th Annual Conference “Connecting microbes, plants, animals and human impact”, book of abstracts.
University of Kaiserslautern: Kaiserslautern.
221.
2006.
Impact of wild coffee management on plant diversity in montane rainforest of the Bonga region (SW Ethiopia).
In: National Biodiversity Data Bank (eds.):
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Makerere University und University of Dar es Salaam: Makerere, 43-44.
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Long- and short-chain plant-produced bacterial N-acyl-homoserine lactones become components of phyllosphere, rhizosphere, and soil.
Molecular Plant-Microbe Interactions,
19 (3)
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2006.
Problems of Environmental Degradation: Implications on Rural Development in Ethiopia.
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Rock phosphate-P enhances biomass and nitrogen accumulation by legumes in upland crop production systems in humid West Africa.
Biology and Fertility of Soils,
43
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Reservoir sedimentation assessment in the semi-arid highlands of northern Ethiopia: rate of sediment yield -catchment area relationship and a semi-quantitative approach for predicting sediment yield.
Earth Surface Processes and Landforms,
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Reservoir siltation in the semi-arid highlands of northern Ethiopia: sediment yield-catchment area relationship and a semi-quantitive approach for predicting sediment yield.
Earth Surface Processes and Landforms,
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2006.
West Africa: Volta discharge data quality assessment and use.
Journal of the American Water Resources Association,
42(4)
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Spatio and temporal dynamics of flood-plain (tugai) forest in Khorezm, Uzbekistan.
Agriculture in Uzbekistan (in Russian),
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The functional assessment of tree windbreaks in Khorezm, Uzbekistan, Aral Sea Basin.
Book of Abstracts. Tropentag. Conference on International Agricultural Research for Development, Bonn,
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Further Information
2006.
Integrative Water Research: GLOWA Volta.
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Model based distributed water balance monitoring of the White Volta catchment in West Africa through coupled meteorological- hydrological simulations.
Advances in Geosciences,
9
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2005
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Using a spatio-temporal dynamic state-space model with the EM algorithm to patch gaps in daily riverflow series.
Hydrology and Earth System Sciences, 9,
: 209-224
.
2005.
A quick and efficient screen for resistance to iron toxicity in lowland rice.
Journal of Plant nutrition and Soil Science,
168
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Land cover change trajectories in Northern Ghana.
Environmental Management,
36 (3)
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Identification and Mapping of Associations among Soil Variables.
Soil Science,
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Diversity of water relations and hydraulic conditions in wild Coffea arabica populations of Ethiopia.
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Resilience and restoration of mangroves in the Gulf of Mexico and the Caribbean region.
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Iberoamerican Network for Wetlands XVII.C, CYTED.
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2005.
Impact of Population growth on agricultural Land use in the Volta River Basin of Ghana.
Bulletin of the Ghana Geographical Association,
24
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2005.
What is the cost of restoring mangroves in Bajos de Santa Ana, Havana, Cuba?.
In: Fernández, L. and D.M. Moura (eds.):
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Iberoamerican Network for Wetlands XVII.C, CYTED.
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Functions of mangroves in the Sibarimar Inlet and their economic valuation for the sector Laguna del Cobre-Itabo, Cuba.
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Biological nitrogen fixation in secondary regrowth and primary forests of Central Amazonia.
Agriculture, Ecosystems and Environment,
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Resilience of 2ndary forest regrowth after slash-and-burn agriculture in central Amazonia.
Journal of Tropical Ecology,
21
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Biological Nitrogen fixation in secondary and primary forests of central Amazonia.
Ecosystems and Environment,
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Evapotranspiration Estimation Using TERRA/ASTER Sensor: A Case Study in District 1 of UPRIIS, Central Luzon, Philippines.
Canadian Journal of Remote Sensing (CJRS),
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Magnetic soil properties in Ghana.
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The sustainability of irrigation..
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Acute and chronic isopod testing using tropical Porcellionides pruinosus and three model pesticides.
European Journal of Soil Biology,
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Agrolesovodstvo v Khorezme: Integratsiya azotofiksiruyutsih drevesnih porod (in Russian).
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Evaluation of young and adult tree plantations for biodrainage management in the lower Amu Darya river region, Uzbekistan.
, ICID 21ts European Regional Conference. 15-19 May 2005, Frankfurt a. Oder, Germany and Slubice, Poland,
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(Open Access)
Further Information
