The present book is designated in such a way that give rapid, easy access to the core materials in a shorts format which facilitate easily learning and rapid revision. The book carries a textbook, practical manual and objective questions for competitive examination. There are 06 chapters elaborating soil fertility, fertilizers, and objective type's questions and widely used analytical methods of characterizing soil, plant and water and agro-chemicals as well as journal, and book name. The book will be useful for graduate and post-graduate students of agriculture, and allied science teachers, researchers and analyst working in the field of soil science, agronomy, microbiology, and forestry. The book will be useful for the aspirants of competitive examinations viz., ARS, ICAR-NET, SET, JRF, SRF, Civil Services, Allied Agricultural Examinations and person engaged in extension services for reference and answer of many questions.