Ressources Etiqueté: Soil Erosion

44 correspondances trouvées (Affichage 11 - 20) |

  1. Soil Degradation Issue Pack

    While erosion by water and wind is the most common form of soil degradation, soil may become less productive even without being physically removed from the land. How and why soils become physically and chemically degrade is the focus of this pack. It will explore how and why soils become...
    Soil Erosion Educational Resources Soil

  2. Introduction to soil and water conservation practices

    Farmers in upland area throughout the world face similar problems. They generally cultivate feilds on moderately to severe sloping land with thin, easily eroded soils in areas where rainy season is short but intense.
    Soil Conservation Water Conservation Soil Erosion Asia

  3. Les cordons pierreux - video

    AccessAgriculture Training Video Les cordons pierreux provoquent un processus naturel de terrassement, car ils piègent les sédiments. Ils servent aussi à réhabiliter les terres érodées. Les agriculteurs du Kenya montrent comment ils construisent les cordons pierreux. Langues disponibles Anglais...
    AccessAgriculture Sustainable Land M... Soil Erosion Soil Health Cross-Slope Barriers SALT Rainwater Harvesting

  4. Protection des zones riveraines - video

    AccessAgriculture Training Video Au Kenya, des pionniers de l’agriculture à petite échelle des zones semi-arides parviennent à stabiliser les berges des rivières et à réduire le ruissellement des eaux de pluie des parcelles voisines en plantant des arbres et des herbes. Langues disponibles...
    Water Conservation Soil Conservation Cross-Slope Barriers Soil Erosion Sustainable Land M... AccessAgriculture

  5. Courbes de niveau - video

    AccessAgriculture Training Video Dans les savanes semi-arides, où les pluies sont limitées et très imprévisibles, conserver plus d'eau dans le sol peut faire la différence entre une mauvaise et une bonne récolte. Vous pouvez réduire la vitesse de l'eau de ruissellement par la réalisation des...
    Water Harvesting Bunds Cross-Slope Barriers Soil Erosion AccessAgriculture West Africa

  6. Agriculture de conservation

    Ressource principale
    28/09/2016 Les agriculteurs dans de nombreuses régions du monde, en raison de la croissance de la population humaine, n’ont guère d’autre choix que de cultiver leurs terres en permanence, ne disposant pas suffisamment de ressources pour remplacer les éléments nutritifs retirés par chaque culture successive....
    Conservation Agric... Mulch Soil Conservation Plant Diversity Crop Diversity Soil Disturbance Soil Fertility Soil Remediation Soil Erosion

  7. Vetiver Systems Applications: Proven & Green Environmental Solutions

    01/01/2008 A Technical Reference Manual 98 pages, illustrated, photos
    Soil Erosion Soil Conservation Vetiver System

  8. Soil erosion and Conservation in the Tropics

    01/01/1982 This publication resulted from a symposium held at the American Society of Agronomy and Soil Science Society of America in August 1979. Although the manuscripts focus on soil erosion and conservation in the tropics, works also can apply to many parts of the world.
    Soil Conservation Soil Erosion

  9. Keeping the Land Alive: Soil Erosion, Its Causes and Cures

    01/01/1983 This book, sponsored by the German Agency for Technical Cooperation, has as its goal to convince leaders/governments of all countries, and developing countries in particular, of the urgent need to reduce soil erosion and to persuade then to adopt and support practical programs of soil...
    Soil Conservation Soil Erosion Government Policy Soil Management

  10. Vetiver grass: the hedge against erosion.

    01/03/1990 This handbook has been prepared to support small scale fieldworkers and farmers, mostly in the tropics and semitropics, to develop vegetative systems of soil and moisture conservation.
    Soil Conservation Soil Erosion Moisture Vetiver Grass