Contents: 1. Introduction 2. Additive Schemes of Decomposition 3. Multiplicative Schemes of Decomposition 4. Aggregate Revenue Decomposition 5. Pseudo-Additive Decomposition of Aggregate Value of Crop Production 6. Decomposing changes in Mean and Variance of Production [Hazel Decomposition] 7. Use of Regression Modelling in Decomposition Analysis 8. Decomposing Changes in Cost of Production 9. L.M.D.I. Decomposition Technique 10. Conclusion