Ressources Etiqueté: Soil Fertility

107 correspondances trouvées (Affichage 41 - 50) |

  1. SWISSAID - Soil Fertility Management

    Small holder farmers and practitioners from Tanzania share agroecology best practices to improve soil fertility. English Subtitles
    Soil Fertility East Africa

  2. Soil Amendments for Healthier Soils

    This article is from ECHO Asia Note # 36. Soil chemical, physical, and biological properties range from those highly favorable to plant growth to those highly unfavorable to plant growth. It is rare—especially in the tropics—to find a soil in its natural state in which all properties are highly...
    Soil Fertility Soil Soil Health Asia

  3. Demi-lunes - video

    AccessAgriculture Training Video Les demi-lunes sont construites sous forme de demi-cercle dont le contour porte les digues. Leurs dimensions varient, ce qui aide à la collecte de l'eau en zones semi-arides. Elles aident à améliorer la fertilité des sols quand la fumure ou le composte y est...
    Bunds Cross-Slope Barriers Rainwater Harvesting Soil Fertility Sustainable Land M... AccessAgriculture

  4. Quantité de Nutriments ou Accès aux Nutriments?

    Ressource principale
    01/01/2014 Pour obtenir une productivité agricole élevée dans les tropiques au meilleur coût économique et écologique, il faut bien comprendre le rapport entre les nutriments présents dans le sol et la productivité des cultures. Pour ce faire, il nous faut remettre en question certaines idées reçues. La...
    Soil Nutrients Ecological Restora... Soil Fertility Agricultural Produ...

  5. Integrated Soil Fertility Management

    01/10/2000 64 pages, illustrated, photos Policy and Best Practice Document 7
    Soil Fertility Soil Management

  6. Managing nutrient cycles to sustain soil fertility in Sub-Saharan Africa

    01/01/2004 This notebook contains three sections, integrated soil and fertility management, belowground biodiversity, and participatory research and scaling up of soil fertility restoration technologies. Notebook, various page numbers, illustrated
    Soil Fertility

  7. Publications from ICRAF on Soil Fertility Replenishment and Management in Africa: 1996-2001

    01/12/2001 A series of articles on soil organic matter and nitrogen availability in agroforestry systems, cycling of subsoil nutrients and rooting, phosphorus supply and availability, and organic sources of nutrients. 2 volumes Part I, Research publications in international journals Part 2, Reviews
    Soil Fertility

  8. Defining Soil Quality for a Sustainable Environment

    Eight full papers and extended summaries of ten more from a November 1992 symposium in Minneapolis wrestle with what soil quality means in theory and practice, identify indices to measure it, and assess its biological importance. The collection is seen as the beginning of raising scientific study...
    Soil Fertility Soil Surveys Sustainability Sustainable Land M...

  9. Crops as Sources of Nutrients for Humans

    Proceedings of a symposium sponsored by Divisions S-4 and C-6 of the Soil Science Society of America, Crop Science Society of America, And the American Society of Agronomy, in Anaheim, CA, 28 Nov.-Dec. 1982. This publication is a compilation of papers presented at a symposium held at the 1982...
    Nutrition Food Crops Nutritional Value Nutritious Food Health and Nutrition Soil Fertility

  10. Analyse de la fertilité des sols par les [agriculteurs] eux-mêmes

    En observant les feuilles de maïs, on peut diagnostiquer quatre carences en éléments nutritifs - phosphore, potassium, azote et magnésium. Ce document comprend des photos d'une feuille de maïs en bonne santé et de feuilles de maïs démontrant chacune de ces carences en éléments nutritifs. Il...
    Soil Fertility Soil Nutrients Nutrient Deficiency