The study was carried out in Mandya district of Karnataka state to study the knowledge and adoption of improved practices in selected farming systems of Mandya district. Three taluks were selected for study based on the dominance of three farming systems existing in the study area i.e., a) Paddy + Sugar cane + Dairy (farming system-I) b) Ragi + Tomato + Coconut + Agro-forestry (farming system-II) c) Ragi + Dairy (farming system-III), which were selected by preliminary survey. Thirty respondents were selected from each of the three selected farming systems. Thus, a total of ninety respondents were selected for the study. The findings indicated that, majority of farmers fall under medium category of adoption. Among the independent variables viz., education, annual income, extension participation, mass media participation and cosmopoliteness were found significantly associated with adoption level of farmers in all the three selected farming systems.