The philosophy behind the phenomenal progress in agricultural revolved around the principles of successful management of in puts for crop production while maintaining or enhancing the quality of environment and conserving natural resources. The agronomy as a discipline has made unique contribution in integrating the physical, chemical and biological knowledge into sustainable crop production.

Understanding and prediction of crop response to environment and methodology for improving crop yields are the major themes of agronomy which may further help to identifying improved crop management practices.

The twelve chapters included in this book entitled "Modern Principles of Agronomy" are a combination of theoretical and applied investigations together with a number of studies of current research programmes and innovative and successful crop cultivation strategies. 

This book is of immense use as a text or reference book for students, teachers, scientists, planners and those appearing in competitive examinations. it is also expected to meet the needs of extension workers and elite farmers keen in conservation and utilization of resources for achieving sustainability in production.