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Ohio State University Agricultural Technical Institute - WINTER (Jan, Feb) | ||
Section 0010 | ||
 | Soil Fertility Manual (Updated Edition) by Potash Phosphate Institute Spiral, 200 Pages, Published 2006 ISBN-10: 0-9629598-5-5 / 0962959855 ISBN-13: 978-0-9629598-5-1 / 9780962959851 The Soil Fertility Manual was first published in 1978. Since then, agriculture has seen many changes, such as adoption of conservation tillage, biotechnology, precision farming, and others. But the basic principles of soil fertility and agronomy have not changed. The underlying concepts of efficient | |