Soil Science is a unique discipline concerning a complex material that is part of many natural and utilitarian systems. Geology is the applied discipline of science and is now established as an interdisciplinary subject within agriculture, soil and environmental science as the agriculturists and soil environmental scientists heavily require geological knowledge and information to apply in the field. This book is a easy ready reckoner cum reference on geology and soils for the undergraduate students of Agriculture, Horticulture and Forestry. The author has presented his academic & professional experience and conception on all aspects of geology and soils, and the book is written in a very simpler and lucid manner, following the syllabi of latest Fifth Deans' Committee for undergraduate programmes. This book is primarily intended for the students and scientists associated with agriculture and allied disciplines, for having a better understanding, a prerequisite for progressing ahead in acquiring in-depth knowledge on the application aspects of soil science in relation to crop growth.