Preserving the (water) harvest: effective water use in agriculture

The alternative to increasing the world's irrigated area by an estimated 30% to secure food security for all, seems to be limited irrigation expansion and consequently higher food prices and probably food shortages. This paper explores other options for ensuring food security. It discusses mean...

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Bibliographic Details
Published in:Water science and technology 2001-01, Vol.43 (4), p.133-139
Main Author: KIJNE, Jacob W
Format: Article
Language:English
Subjects:
Agricultural land
Agricultural practices
Agriculture
Conservation of Natural Resources
Earth sciences
Earth, ocean, space
Exact sciences and technology
Food
Food security
Food supply
Global Health
Harvesting
Humans
Hydrology. Hydrogeology
Preservation
Security
Shortages
Tillage
Water harvesting
Water management
Water resources
Water Supply
Water use
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Summary:The alternative to increasing the world's irrigated area by an estimated 30% to secure food security for all, seems to be limited irrigation expansion and consequently higher food prices and probably food shortages. This paper explores other options for ensuring food security. It discusses meaningful similarities between innovative approaches for land and water management in rainfed and irrigated agriculture. The focus is on innovative approaches to increase yields in sub-Saharan Africa and South Asia. Innovative technologies, such as improved tillage practices and water harvesting are important. But at least as important are the processes by which new agricultural practices are developed, improved and extended. In the end it comes down to human inventiveness.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2001.0201