Intended as a textbook for high school students, this comprehensive guide to agricultural science covers a wide range of topics, including plant and animal physiology, soil science, pest management, and agricultural economics. With clear and engaging prose, as well as numerous illustrations and diagrams, Dexter Dwight Mayne and Kirk Lester Hatch provide readers with a practical and scientifically rigorous introduction to one of America's most important and dynamic industries. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.