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close this bookAbstracts on Sustainable Agriculture (GTZ; 1992; 423 pages)
Open this folder and view contentsAbstracts On Traditional Land-Use Systems
Open this folder and view contentsAbstracts on farming systems research and development
Open this folder and view contentsAbstracts on integrated systems
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close this folderAbstracts on water management
View the documentAcknowledgements
View the document1. Water management.
View the document2. Crop diversification in irrigated agriculture: water management constraints.
View the document3. Steam corridors in watershed management
View the document4. Water harvesting.
View the document5. An economic analysis of irrigation systems.
View the document6. Production of annual crops on microcatchments.
View the document7. Problems and lessons from irrigation projects in less developed countries of Africa.
View the document8. Irrigation organization and management.
View the document9. Soil water balance in the Sudano-Sahelian zone: summary proceedings of an international workshop. (bilan hydrique en zone Soudano-Sahelienne: comptes rendus d'un Atelier international)
View the document10. Vanishing land and water.
View the document11. Water use by legumes and its effect on soil water status.
View the document12. Environmental impact assessment for sustainable development: chittaurgarh irrigation project in outer Himalayas.
View the document13. Production and water use of several food and fodder crops under irrigation in the desert area of southwestern Peru.
View the document14. Evaluation of the on-farm water management project in the Dominican republic.
Open this folder and view contentsAbstracts on soil fertility
Open this folder and view contentsAbstracts on erosion and desertification control
Open this folder and view contentsAbstracts on potential crops for marginal lands
 

1. Water management.

Outlook on Agriculture, 19, 4, 1990, pp. 229-235

In this paper, water management issues in the rural sector are considered under five main headings: making the best use of rainfall or water conservation, irrigation water management, drainage and land reclamation, environmental water management, and rural water supplies.

Each of these topics is considered in turn, using examples from research and consultancy projects to illustrate some of the issues of current international concern.

Traditional engineering disciplines recognize that water must be managed in sustainable and environmentally friendly ways. This requires bridge building between specialist subject areas including ecology as well as agronomy, soil science as well as soil mechanics, hydrology as well as hydraulics, and sociology as well as economics. These values have implications in terms of research priorities and educational needs, as well as for the policies of governments and international agencies.

The unreality of imposing engineering solutions on water management problems without taking into account the social consequences of such action, the ease of operation and maintenance and the expected environmental impact are recognized. A favourable cost-benefit analysis on its own is no longer enough to convince a funding agency, the client or the general public that the solution proposed is the correct one.

Sustainability has become the new watchword.

For the vast majority of the world's farmers, irrigation is not an option: they depend on rainfall for successful crop and animal production, and for survival. In areas of the world where rainfall is marginal or unreliable, the priority is to optimize the use of the rain through the use of appropriate, usually low cost, crop husbandry techniques.

Concluding, each of the topics discussed is of international concern: water does not recognize national boundaries, and neither does the pollution with which it may be associated. The relative importance of different issues varies from place to place and from country to country.

What can be afforded also varies, but appropriate solutions can be found, providing the complexity of the systems is recognized, as well as the self-interest of human beings.

1224 92 - 11/45

Water management

Review, article, developing countries, irrigated agriculture, crop diversification, water management constraints, crop water requirements, irrigation systems, soils, irrigation canals, cultivation methods, water delivery, World Bank

PLUSQUELLEC, H.

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