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De Bodemkartering van Nederland. Deel 18: Bodemkartering en daarop afgestemde Landbouwkundige Onderzoekingen in het Land van Heusden en Altena. (with English summary). Verslagen van Landbouwkundige Onderzoekingen, no. 64.4. (+ maps) [Monograph]
Sonneveld, F. \ 1958
Europe - Netherlands
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Potential Water Erosion / Soil Productivity Assessment : A Modelling Approach [Monograph]
Merbis, M.D. \ Sonneveld, B.G.J.S. \ 1996
soil - water erosion - land use - land productivity - World
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Data Set Characterization by Non-Parametric Regression: Case Study with Soil Erosion Data from Ethiopia. [Monograph]
Sonneveld, B.G.J.S. \ Keyzer, M.A. \ 1999
Africa - Ethiopia
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The Effect of Soil Degradation on Agricutural Productivity in Ethiopia: a Non-Parametric Regression Analysis. [Monograph]
Keyzer, M.A. \ Sonneveld, B.G.J.S. \ 1999
Africa - Ethiopia
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African Land Ecology: opportunities and Constrains for Agricultural Development. [Monograph]
Voortman, R.L. \ Sonneveld, B.G.J.S. \ Keyzer, M.A. \ 1992
ecology - environmental sciences - Africa
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Land Under Pressure. The Impact of Water Erosion on Food Production in Ethiopia. [Monograph]
Sonneveld, B.G.J.S. \ 2002
erosion - food production - Ethiopia
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Water Erosion Assessment Based on Expert Knowledge and Limited Information Using an Ordered Logit Model. Staff Working Paper WP-96-05. [Monograph]
Sonneveld, B.G.J.S. \ Albersen, P.J. \ 1996
computer techniques - data processing - erosion - information systems - soil conservation - statistical analysis
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Compilation of a Soil Map for Nigeria: a Nation-wide Soil Resource and Land Form Inventory. Staff Working Paper WP-98-06. (+ map, scale 1: 1,300,000) [Monograph]
Sonneveld, B.G.J.S. \ 1998
geographical information systems - Africa - Nigeria
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Soil Inventory and Encoding of Soil information for the Spatial Data Base of Nigeria. [Monograph]
Sonneveld, B.G.J.S. \ 1995
computer techniques - data processing - information systems - statistical analysis - Africa - Nigeria

Nigeria needs an annual increase of 5.11% in Agricultural production to satisfy the food demand of its fast growing population. To monitor and evaluate this rapid Agricultural development in a spatial context, it is proposed to use a yield funct ...

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Crop Production Potential for Rainfed Agriculture in Nigeria. An Exploratory Study for Sole Cropping Systems. Staff Working Paper WP-93-03, August 1993. [Monograph]
Sonneveld, B.G.J.S. \ Langeveld, J.W.A. \ Voortman, R.L. \ 1993
agriculture - land evaluation - land development - Nigeria - Africa
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Crop Production Potential for Rainfed Agriculture in Nigeria. An Exploratory Land Evaluation Study for Sole Cropping Systems. [Monograph]
Sonneveld, B.G.J.S. \ Langeveld, J.W.A. \ Voortman, R.L. \ 1993
land evaluation - soil types - crops - Africa - Nigeria
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Climate Change and Global Agricultural Potential. A Case Study of Nigeria. [Monograph]
Voortman, R.L. \ Sonneveld, B.G.J.S. \ Langeveld, J.W.A. \ Fischer, G. \ Velthuizen, H.T. van \ 1999
Nigeria
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Dominant Soils of Nigeria. [Map]
Sonneveld, B.G.J.S. \ 1997
soil - Africa - Nigeria
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