Crop performance traits are various such as climatic condition, soil macro and micro nutrients. The interactions between these have an effect on yield. There is a fundamental relationship between the crop yield and the interactive factors like the climate and the soil nutrients.One needs to understand this complex correlation. To study such an association, it requires large datasets and optimized datamining algorithms to discover the relationships. This is where Data mining plays a crucial role in the area of identifying key crop performance traits for improving yield