Advancing Biological Farming

Gary F Zimmer & Leilani Zimmer-Durand

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One of the leading authorities on biological farming, Gary Zimmer is recognized for improving farming by restoring soils. Arguing that an optimally productive soil contains a balance of inorganic minerals, organic materials and living organisms, he relies less on modern improvements than on "the things we’ve learned by improving fertility in a natural, sustainable way over many years."

This book offers invaluable scientific support for committed organic farmers as well as conventional farmers who'd like to reduce chemical inputs and use natural processes to their advantage. Advancing Biological Farming updates and expands upon Gary Zimmer's classic, The Biological Farmer. Technically precise yet written in friendly language, this book is for everyone who wants a future in biological farming.

Copyright 2011, softcover, 244 pages. 44 books per case.

Learn about Soil Health from Gary Zimmer

Gary Zimmer will be the keynote speaker at the 2019 Healthy Soil Summit. It takes place this August 21-22, in Davis, California. Zimmer's talk is titled "Driving Productivity and Resilience with Good Soil Health." Learn more about the Healthy Soil Summit here, or go here to register now!


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In this breakthrough work — now available in English for the first time — the independent German-Norwegian explorer of soil life, graduate permaculture designer and graduate engineer Herwig Pommeresche shares his lifetime of research into humus.

#7488 • Copyright 2018 • Softcover • 264 pages