There are few books in Agronomy which satisfies the requirements ofstudents particularly preparing for competitive examinations. This bookis designed to satisfy their need and is presented in a systematic mannerto understand every fundamental aspect related to agronomy. This bookcovers all the basic concepts of agronomy viz., tillage, sowing, soil fertilityand nutrient management, water management, weed management, dryland agriculture and sustainable agriculture. Some of the new topicslike climate change, herbicide resistance and herbicide tolerant cropswere also included. Current statistics related to agriculture is alsoprovided for the benefit of the students. This book will be very muchuseful for those students preparing for NET, ARS, JRF, SRF and PG andPh.D entrance examinations.