Yield Gap Analysis in Major Field Crops of Tamil Nadu

Agriculture plays a vital role in Indian economy, contributes 13% of gross domestic product and provides employment opportunities to more than 50% of work force. In India 60% of land area are arable leads to second largest country in terms of total arable land area. The technology development rate is 2 percent and farm productivity rate only increase by 0.3 percent in major crops. It implied that outreach of technology from lab to land have several constraints. In this study, yields gaps of major field crops are calculated with the data provided by the joint directorate of Tamil Nadu, to find, to which extent the advancement in agriculture is helpful and it is found out that the yield gap II of selected varieties of major crops are high. It shows the deviation from the potential yield of the variety with the actual yield obtained by the farmer.