Touted by users for its clear explanations and readability, Troeh and Thompson 's Soil and Soil Fertility provides an excellent overview of soils for students in agriculture and the environmental sciences. Coverage includes basic topics such as soil chemistry, organic matter, mineralogy, water management, as well as more specialized areas such as urban and rural land use, artificial soils for greenhouses, and turf grass. The sixth edition incorporates discussions of GIS and GPS, humus and its function in soil structure and fertility, soil reclamation for sites contaminated by pesticides or petroleum spills, and advances in the understanding of water flow. A new chapter on soil mechanics explains the use of soils as foundation and construction material.Essential information from organic chemistry, geology, and biology is included for readers who lack that background. Students and instructors will appreciate the glossary and the useful study questions following each chapter. The book 's practical emphasis increases its usefulness to horticulture students and enthusiasts, forestry students and practitioners, environmental professionals, agronomy students and consulting agronomists. Soil and Soil Fertility serves also as a reference for more advanced courses in soil fertility and soil management and belongs in every professional 's lifetime library.