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This text provides an accurate and comprehensive dictionary of terms used in the agricultural and environmental sciences, it includes many biological, chemical, and health terms that are important for a full understanding of the subject fields. Presenting thousands of entries, many not found in similar dictionaries, this new reference contains the latest, most up to date definitions and designations of usage in the fields of agriculture, soil science, animal science, agricultural engineering and many more.

Recommended by users for its clear explanations and readability. Troeh and Thompson's Soil; and Soil Fertility provides and excellent overview of soils for students in agriculture and the environmental sciences. Now in its sixth edition, this book has been updated throughout and incorporates discussions of GIS (geographic information system) and GPS (global positioning system), 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. In addition a new chapter on soil...

Understanding soils and their relationship to the environment is increasing in importance as we learn more about the environment in which we live. Soils are important in crop production, in serving as a buffer in the environment, as a building medium, and in a multitude of other applications. In the third edition of this manual, new materials addressing specific environmental concerns related to crop production and groundwater supplement the exercises from previous editions. Flexibility in the exercises allows the instructor and students to tailor applications to local resources and...