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24 items found (Showing 1 - 10)
  1. Key Resource 1992-03-01 Water is everywhere - its physics and chemistry, rain, evaporation, infiltration, underground, the intimate relationship between life and water, and other natural phenomena. Its effects and applications need to be understood: run-off, erosion, soil drainage and irrigation. These comprise the main...  
  2. Key Resource 1996-09-01 Indigenous soil and water conservation practices are rarely acknowledged in the design of conventional development projects. Instead, the history of soil and water conservation in Africa has been one of imposing external solutions without regard for local practice. There is a remarkably diverse...  
  3. 1984-06-01 FAO of the United Nations has as its objective to present the principles and practices of tillage systems for sustained food production and to create an awareness of the need to conserve the world's soil, water and energy resources for future generations.  
  4. 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.  
  5. Vanishing Land and Water is about soil and water management in arid lands. In the Sahelian region of Africa, as in many other arid regions, arable land is vanishing due to erosion and a decrease in available water. A group of artisans and villagers in one area of the Sahel are winnng the struggle...  
  6. In Soil and Water Conservation in Semi-Arid Kenya, the performance of soil and water conservation measures in rainfed cropping in the drier parts of Kenya is investigated, and the results of technical and economic analysis shown. Particular emphasis is given to the yield benefits and economic...  
  7. 1980-01-01 Erosion and pollution problems exist in every country, and each country has its own approach to managing and conserving soil and water. Soil and waqter conservation is everybody's business.  
  8. This manual should be helpful for all categories of agricultural extension--those without previous training in soil science as well as those with such background. It has several purposes: to provides easily grasped explanations of basic soil managment principles relevant to Peace Corps activities...  
  9. This publication represents the best collective judgment on research priorities by a group of informed and dedicated people concerned with the future role of our soil and water resources in meeting human needs.  
  10. 1983-01-01 FAO Soils Bulletin 52 235 pages, tables