'The present book Objective Soil Science contains 13 chapters covering all related disciplines. These chapters include: soil science: an introduction, soil physics, soil chemistry, soil ecology, soil microbiology, soil fertility and plant nutrition, soil and water conservation, manures and fertilizers, soil pollution, environmental sciences, soil informatics, remote sensing in agriculture and elementary statistics. Every possible effort has been made to accommodate previous years questions from various competitive examinations. Glossary has been given at the end for ready reference. This book is primarily intended to serve as a ready reference for those appearing in competitive examination like undergraduate, post-graduate, SAUs & ICAR- AIEEPG entrance, Ph.D., Junior Research Fellowship (JRF), Senior Research Fellowship (SRF), Agricultural Research Service (ARS), National Eligibility Test (NET), SET, Civil Services, Agricultural Officers, Bank P.O. (Agriculture) and Allied Agricultural Examinations.'