By Elaine R. Ingham, PhD and Carole Ann Rollins Provides basic information about how to add biology to any plant growing system including conventional, sustainable and organic applications. Whether you are growing indoors in controlled environments with soilless media or outdoors in open fields of soil, this book helps you design your growing systems and incorporate biology into your programs. Compiled from a Hydroponics and Compost Tea Seminar given by Dr. Ingham in 2005. User-friendly in nontechnical terms. 93 pages, softcover.