प्रस्तावित विषय : खोज निहित
प्रस्तावित विषय : खोज निहित
Water Resources
Natural Resource Economics, (New March 2000)
13
Water management
13
Water resources
11
Land Resources
10
Policy and Planning
10
Pollution and Degradation
10
Sustainability
10
Irrigation
9
Soil Water Management (Irrigation and Drainage), (Revised June 2002)
8
Social Psychology and Social Anthropology, (New March 2000)
7
Watershed management
7
Land use
6
Meteorology and Climate
6
Soil Chemistry and Mineralogy
6
Water quality
6
Watersheds
6
Environmental impact
5
Plant Production
5
Water pollution
5
Water use
5
Agricultural development
4
Agriculture
4
Case studies
4
Community Participation and Development, (New March 2000)
4
Erosion: Soil and Water Conservation
4
Hydrology
4
Models
4
Planning
4
Water
4
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