Land husbandry - Components and strategyLand husbandry - Components and strategy
by
Eric Roose
70 FAO SOILS BULLETIN
Director of Soils Research
ORSTOM
Montpellier, France
Food and Agriculture Organization of the United Nations
Rome, 1996
Soil Resources Management and Conservation Service Land and Water Development Division, FAO
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M-57
ISBN 92-5-103451-6
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© FAO 1996
Part one: Erosion control strategies and the concept of land husbandry
Chapter 1. Definitions: words conceal a philosophy
Erosion
Soil loss tolerance
Erosion varies according to place: different agents, two perspectives
Erosion varies according to time
Soil degradation
Factors in the water balanceChapter 2. History of erosion control strategies
Soil erosion and population density
Traditional erosion control strategies
Modern strategies for developing rural water infrastructures
Land husbandryChapter 3. Some social and economic aspects of erosion
Erosion crisis diversity
Who is concerned by erosion control?
The importance of exceptional rainstorms
Erosion effects in different regions
Effects of erosion on the eroded site: loss of productivity
Negative off-site effects of erosion
The economic rationale for land husbandry
Criteria for the success of soil conservation projects
Morroco case study: socio-economic study of erosion control in the Loukkos Basin
Part two: Erosion control as a response to various erosion processes
Chapter 4. Dry mechanical erosion
Definition, forms, dynamics
Causative factors
Erosion control methodsChapter 5. Sheet erosion: the initial phase of water erosion
Forms and symptoms of sheet erosion
Cause and dynamics of sheet erosion
Wischmeier and Smith's Empirical Soil Loss Model (USLE)
Soil erodibility
The topographical factor
Effects of plant cover
Influence of cropping techniques
Erosion control strategies
Erosion control practices
The P factor in Wischmeier's equation
Erosion control structures as related to water management methods
Variability of erosion factors
Conclusions on the applicability of the USLE in Africa
Implementation of Wischmeier's erosion forecast modelForms of linear erosion
The cause and processes of linear erosion
Factors in runoff
Controlling runoff and linear erosion
Cost effective gully treatmentForms of mass movement
Causes and processes of mass movements
Risk factors
Mass movement controlProcesses
Forms of wind structures
Effects of wind erosion
Factors affecting the extent of wind erosion
Wind erosion control
Erosion control in the subequatorial forest zone of the Abidjan region of southern Côte d'Ivoire
Erosion control in the humid, tropical, Sudanian savannah of Korhogo in northern Côte d'Ivoire
Erosion control in the tropical savannah environment of the Koutiala region of Mali: strictly rainfed farming
Erosion control in the Sudano-Sahelian savannah of the Ouahigouya region of north-western Burkina Faso: runoff farming
Erosion control in the northern Sahelian zone around the Doti marches in Burkina Faso: valley farmingChapter 10. Development of the Bamiléké bocage
The situation
Diagnosis: relatively fragile environments
Effective traditional techniques
Hazards
Some suggested improvementsChapter 11. Agroforestry, mineral fertilization and land husbandry in Rwanda
The situation
Analysis of local conditions
Traditional techniques
Suggestions for managing surface water
Suggestions for managing soil fertilityChapter 12. A new approach to erosion control in Haiti
The situation
Analysis of local conditions
Farmers' traditional strategies and their limitations
Control measuresChapter 13. Agricultural erosion in the Ecuadorian Andes
The situation
Soil erosion: diagnosis and source
Hazards: the impact of erosion on the agricultural environment
Suggested improvementsChapter 14. The Mediterranean Montane Region of Algeria
The situation
Diagnosis: trial conditions
Hazards
Suggested improvements: influence of the farming systemChapter 15. Pays de Caux: a temperate, field-crop region in north-western France
The situation
Local conditions
Hazards: the erosion process and its negative effects
Solutions and measures adopted
Land husbandry: a new philosophy
Land husbandry: a strategy for action