SUBJECT
Rice
Research
23
Varieties
14
Agriculture
10
Agricultural innovations
7
Congresses
5
Diseases and pests
5
Economic aspects
5
Agriculture and state
4
Hybrid rice
4
Planting
4
Climatic factors
3
Crops and climate
3
Fertilizers
3
Rice research
3
Agricultural geography
2
Agricultural productivity
2
Agricultural research
2
History
2
Irrigation
2
Masagana 99
2
Photoperiodism
2
Plants, Effect of day length on
2
Rice trade
2
Statistics
2
Sustainable agriculture
2
Upland rice
2
Weed control
2
Yields
2
Agricultural administration
1
Agricultural extension work
1
Agricultural production
1
Agricultural systems
1
Agronomy
1
Aquatic weeds
1
Bibliography
1
Biological control
1
Climatic changes
1
Communication in agriculture
1
Corn
1
Disease and pest resistance
1
Econ. aspects
1
Econometric models
1
Economic conditions
1
Farm income
1
Farm life
1
Fertilizers and manures
1
Finance
1
Food security
1
Food supply
1
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