Hierarchical Classification System of the Knowledge Base
- 1.
Water Resources - 2.
Water Resources Use - 3.
Agriculture - 4.
Land Reclamation - 5.
Land Degradation and Desertification - 6.
Hydroecology - 7.
Climate Change - 8.
Water Governance and Management - 9.
Water Law and Policy - 10.
Economic and Financial Aspects - 11.
Water and Education - 12.
Water and Ethics - 13.
Decision Support System - 14.
Sustainable Development, Green Growth, and Security - 15.
Gender and Gender Policy - 16.
Energy
Agriculture
3.1.3. Soils
3.1.3.1. Soil fertility
3.1.3.2. Appraisal
3.2.1. Types of agricultural crops
3.2.3. Double crops
3.2.4. Crop yield
3.2.4.1. Crop planning
3.3. Improvement of water and land productivity
3.3.1. Agricultural extension services
Selected bibliography
