Frits Penning de Vries – författare
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4 produkter
Systems approaches for agricultural development
Proceedings of the International Symposium on Systems Approaches for Agricultural Development, 2–6 December 1991, Bangkok, Thailand
Av Frits Penning de Vries, Paul Teng m. fl.
Häftad, 1992
1096 kr
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The symposium In the next decades, agriculture will have to cope with an ever-increasing demand for food and raw basic materials on the one hand, and with the necessity to use resources without further degrading or exhausting the environment on the other hand, and all this within a dynamic …
Soil Erosion at Multiple Scales
Principles and Methods for Assessing Causes and Impacts
Av Frits W. T. Penning de Vries, Fahmuddin Agus m. fl.
Inbunden, 1998
2107 kr
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Approaches to research on the causes and impacts of soil erosion have changed significantly over recent years. Whereas biophysical research traditionally utilized small, carefully-managed erosion plots, models and methods are now available to study impacts of broad scale management on the hydrology …
Sustainable Management of Vertisols
Av John K. Syers, Frits W. T. Penning De Vries m. fl.
Inbunden, 2001
1960 kr
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This book is based on a workshop held in Zimbabwe, May 1999, organized by the Department of Research and Specialist Services (Zimbabwe) and the International Board for Soil Research and Management (IBSRAM). Reviewing the current state of knowledge on and the practical aspects of the management of …
Systems approaches for agricultural development
Proceedings of the International Symposium on Systems Approaches for Agricultural Development, 2–6 December 1991, Bangkok, Thailand
Av Klaas Metselaar, Paul Teng m. fl.
E-bok, 2012
1427 kr
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The symposium In the next decades, agriculture will have to cope with an ever-increasing demand for food and raw basic materials on the one hand, and with the necessity to use resources without further degrading or exhausting the environment on the other hand, and all this within a dynamic …
