Botany in a Day Nature Merit Badge by the Boy Scouts of America. Although the text is primarily oriented towards North American plants, "Botany in a Day" has been used to identify plants in Europe, Asia, Africa, Australia, and South America. As of 2010, there were more than 45,000 copies in print. Botany in a Day Botany in a Day: The Patterns Method of Plant Identification is a book by Thomas J. Elpel published by HOPS Press, LLC. The book emphasizes family characteristics for plant identification. Related plants typically have similar floral features and often similar uses. For example, plants of the mustard family
Plant physiology plants in a water solution rather than soil, which has become a standard technique in biological research, teaching lab exercises, crop production and as a hobby. One of the leading journals in the field is "Plant Physiology", started in 1926. All its back issues are available online for free. Many other journals often carry plant physiology articles, including "Physiologia Plantarum", "Journal of Experimental Botany", "American Journal of Botany", "Annals of Botany", "Journal of Plant Nutrition" and "Proceedings of the National Academy of Sciences." In horticulture and agriculture along with food science, plant physiology is an important topic relating to fruits,