Publikasi

Menampilkan 4249–4260 dari 4,321 publikasi

  1. Report 1992

    The upland ecosystem in the philippines: approach to sustainable farming and forestry

    Dennis P Garrity, David M Kummer and Ernesto S Guiang

  2. Report 1992

    Low-external-input alternatives to shifting cultivation in South Sumatera

    Meine van Noordwijk and Bambang Guritno

  3. Book Chapter 1991

    Root functions in agricultural systems

    Meine van Noordwijk and Peter De Willigen

  4. Book Chapter 1991

    Peltophorum pterocarpa (DC.) Back (Caesalpiniaceae), a tree with a root distribution suitable for alley cropping on acid soils in the humid tropics

    Meine van Noordwijk, Kurniatun Hairiah and Syekhfan MS

  5. Book Chapter 1991

    Review of quantitative root length data in agriculture

    Meine van Noordwijk and Gerard Brouwer

  6. Book Chapter 1991

    Critical ammonium: nitrate uptake ratios for Douglas-fir determining rhizosphere pH and tree mortality

    Arjan J Gijsman and Meine van Noordwijk

  7. Paper 1991

    Effect of traffic intensity on soil structure and root development in a field experiment on a sandy clay loam soil in the Netherlands

    C V Ouwerkerk and Meine van Noordwijk

  8. Paper 1991

    Principles of hedgerow intercropping

    Meine van Noordwijk

  9. Journal Article 1991

    Old tree root channels in acid soils in the humid tropics: important for crop root penetration, water infiltration and nitrogen management.

    Meine van Noordwijk, Widianto, M Heinen and Kurniatun Hairiah

  10. Journal Article 1991

    An inflatable minirhizotron system for root observations with improved soil/tube contact

    Arjan J Gijsman, Johan Floris, Meine van Noordwijk and Gerard Brouwer

  11. Report 1991

    Farmer-led community institutions: key to reversing land degradation in the 21st century

    Dennis P Garrity

  12. Report 1991

    Determination of inorganic monomeric Aluminium with the 60 s Pyrocatechol violet technique

    Kurniatun Hairiah, Meine van Noordwijk and I Stulen