Agricultural economics 21 Pathology 8 Statistics 8 Journalism 7 Management 7 Rural development 6 Agricultural development 5 Commerce 5 Irrigation 5 Medicine 5 Water conservation 5 Agricultural chemistry 4 Agricultural innovation 4 Agriculture 4 Food supply 4 Marketing 4 Microbiology 4 Poultry 4 Soil science 4 Agricultural engineering 3 Agricultural supply 3 Economic statistics 3 Farm produce 3 Pharmacology and Toxicology 3 Plant breeding 3 Statitics 3 agriculture 3 economic development 3 statistics 3 Algebra, Universal 2