SUBJECT
Rice
Varieties
Research
10
Agricultural innovations
9
Hybrid rice
6
Breeding
4
Economic aspects
3
Farm income
2
Genetics
2
Planting
2
Technological innovations
2
Agriculture
1
Agriculture and state
1
Biotechnology
1
Congresses
1
Conservation and restoration
1
Deepwater rice
1
Disease and pest resistance
1
Econometric models
1
Environmental aspects
1
Grain
1
Green Revolution
1
Handbooks, manuals, etc
1
Juvenile literature
1
Masagana 99
1
Pesticides
1
Physiological effect
1
RIce
1
Rice farming
1
Rice products
1
Rice, Deepwater
1
Seeds
1
Soils
1
Soils, Salts in
1
Upland rice
1
World Heritage areas
1
Yields
1