The purpose of this book is the presentation of information dealing with the management of soil in the field. Emphasis is placed on ways and means of handling soils for economic production of crops. The book was written for the student of practical soil management on the farms and in the classroom. In addition, it should be  helpful alike to owners and operators of land. The management and fertility of soils are fully treated. This book will aid in bringing about better management, more, adequate fertilization, and more nearly complete conservation of the soil.