Plant Breeding and Genetics 5 Agricultural Entomology 4 Agricultural Extension 4 History 4 Natural language processing (Computer science) 4 Soil Science and Agricultural Chemistry 4 Agronomy 3 Microbiology 3 Organic reaction mechanisms 3 Plant Biotechnology and Molecular Biology 3 Plant Pathology 3 Plantation Crops and Spices 3 Agricultural Economics 2 Agricultural entomology 2 Agriculture 2 Biochemistry 2 Biotechnology 2 Community Science 2 Computational linguistics 2 Computer architecture 2 Constraints (Artificial intelligence) 2 Cytology 2 DISPLACED POPULATION 2 Data processing 2 Digital rights management 2 Digital watermarking 2 Economic development 2 Economic policy 2 Forestry 2 Grammar, Comparative and general 2