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F.W. Penning de Vries – författare

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5 produkter

  1. Peter Goldsworthy, F.W. Penning de Vries - Opportunities, Use, And Transfer Of Systems Research Methods In Agriculture To Developing Countries, Inbunden. Tillgänglighet: Lägg i varukorg

    Opportunities, Use, And Transfer Of Systems Research Methods In Agriculture To Developing Countries

    Proceedings of an international workshop on systems research methods in agriculture in developing countries, 22-24 November 1993, ISNAR, The Hague

    Av Peter Goldsworthy, F.W. Penning de Vries

    Inbunden, 1994

    2188 kr

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    Although the application of systems approaches in agricultural research and natural resource management is a rather new field, there is already increasing demand for implementation of these approaches. This will require a critical mass of specialists in national agricultural research systems and …

  2. A. Stein, A. Stein, F.W. Penning de Vries - Data and Models in Action, Inbunden. Tillgänglighet: Lägg i varukorg

    Data and Models in Action

    Methodological Issues in Production Ecology

    Av A. Stein, A. Stein m. fl.

    Inbunden, 1999

    1643 kr

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    This text addresses methodological issues of production ecology, and contains scientific contributions written by nine specialists. A central issue is the combination of the agricultural model with reliable data in relation to scale. A model is developed with data from a single point, whereas …

  3. A. Stein, F.W. Penning de Vries - Data and Models in Action, Häftad. Tillgänglighet: Lägg i varukorg

    Data and Models in Action

    Methodological Issues in Production Ecology

    Av A. Stein, F.W. Penning de Vries

    Häftad, 2010

    1643 kr

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    Under leadership of CT de Wit a large amount of modeling, building prototypes and also application, was carried out in the 1970s and 1980s. Comprehensive models were built, evaluated and carefully documented in the areas of crop growth production, plant breeding, soil water and nutrients, and in …

  4. Peter Goldsworthy, F.W. Penning de Vries - Opportunities, Use, And Transfer Of Systems Research Methods In Agriculture To Developing Countries, Häftad. Tillgänglighet: Lägg i varukorg

    Opportunities, Use, And Transfer Of Systems Research Methods In Agriculture To Developing Countries

    Proceedings of an international workshop on systems research methods in agriculture in developing countries, 22-24 November 1993, ISNAR, The Hague

    Av Peter Goldsworthy, F.W. Penning de Vries

    Häftad, 2012

    2188 kr

    Lägg i varukorg

    In December 1993, ISNAR, in collaboration with International Consortium for Application of Systems Approaches, organized a three-day workshop on systems approaches and -modelling for agricultural development. Sponsored by the Dutch Ministry for Development Cooperation, the workshop was attended by …

  5. F.W. Penning de Vries, A. Stein - Data and Models in Action, E-bok. Tillgänglighet: Lägg i varukorg

    Data and Models in Action

    Methodological Issues in Production Ecology

    Av F.W. Penning de Vries, A. Stein

    E-bok, 2013

    2111 kr

    Lägg i varukorg

    Under leadership of CT de Wit a large amount of modeling, building prototypes and also application, was carried out in the 1970s and 1980s. Comprehensive models were built, evaluated and carefully documented in the areas of crop growth production, plant breeding, soil water and nutrients, and in …