Herren, Ray V. The science of agriculture : a biological approach / Ray V. Herren. - 5th edition. - Australia : Cengage Learning, c2018. - xix, 766 pages : color, illustrations. Includes bibliographical references and index. ISBN: 978-1-337-27158-5 LCCN: 2016935788 Subjects--Topical Terms: Agriculture--Textbooks. Dewey Class. No.: 630 / H564 2018