SUBJECT
Economic aspects
Irrigation
Agriculture
8
Irrigation farming
6
Social aspects
6
Economic conditions
4
Management
3
Irrigation systems
2
Nepotism
2
Research
2
Rice
2
Water, Underground
2
Agricultural industries
1
Agricultural innovations
1
Congresses
1
Data processing
1
Diseases
1
Drainage
1
Economics aspects
1
Employment
1
Farmers
1
Fertilizers and manures
1
Food supply
1
Foreign ownership
1
Harvesting
1
Households
1
Ilokanos
1
Ilokanos (Philippine people)
1
Income
1
Indus
1
Irrigation canals and flumes
1
Irrigation efficiency
1
Irrigation water
1
Marshes
1
Nueva Ecija
1
Planting
1
Rice trade
1
Rural development
1
Social conditions
1
Technological innovations
1
Water in agriculture
1
Water resources development
1
Water-supply
1
Water-supply, Agricultural
1
Wetland conservation
1
Wetland ecology
1
Wetland management
1
Wetlands
1
Women in agriculture
1