SUBJECT
Agriculture
Economic aspects
1,822
Agriculture and state
340
Research
316
Economic conditions
188
Food supply
180
Rural development
140
Statistics
134
Rice
122
Rural conditions
99
History
96
Environmental aspects
95
Produce trade
89
Farm produce
85
Social aspects
77
Agricultural innovations
76
Mathematical models
73
Natural resources
73
Farmers
72
Finance
71
Electronic books
70
Land reform
70
Agricultural industries
67
Agricultural productivity
66
Philippines
65
Agricultural credit
60
Land tenure
60
Congresses
57
Management
56
Agricultural development projects
54
Fisheries
46
Study and teaching
46
Economic policy
45
Land use
45
Peasantry
45
Sustainable agriculture
45
Government policy
44
Social conditions
44
Social life and customs
43
Technology transfer
43
Information services
42
Farm management
41
Population
40
Food industry and trade
39
Agricultural systems
38
Economic development
38
Agricultural ecology
36
International cooperation
36
Agricultural prices
35
Agricultural extension work
34
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