EcoFarm An Acres USA Primer Author:Charles Walters, C. J. Fenzau In this book, eco-agriculture is explained from the tiniest molecular building blocks to managing the soil in terminology that not only makes the subject easy to learn, but vibrantly alive. Eco-Farm truly delivers a complete education in soils, crops, and weed and insect control. Chapters provide detailed discussions of trace ele... more »ments, tillage, the N,P&K concept, animal health, crops, soil carbon and calcium, insects, soil life, crop rotation, and much more. This should be the first book read by everyone beginning in eco-agriculture . . . and the most shop-worn book on the shelf of the most experienced.« less