Agriculture 1,915 Agricultural economics 1,237 Agricultural chemistry 475 Economics 367 Soil science 342 Rural development 240 Soil Science 178 Kerala Agricultural University 161 Agricultural engineering 156 Agricultural Economics 133 Agronomy 127 Biotechnology 115 India 113 Agricultural development 110 KAU 102 Plant Biotechnology 97 History 87 Agriculture and state 85 agriculture 82 Irrigation 81 Extension 80 Economic aspects 75 Economic development 74 IR 74 Sustainable agriculture 71 AGRICULTURE 68 Horticulture 68 agricultural economics 65 Education 62 Food supply 61