Charles Walters


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. 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. 

Copyright 1979, 2009, softcover, 462 pages. 16 in a case.

Eco-Farm Table of Contents, abbreviated

1- Photosynthesis

2- The Forgiveness of Nature

3- The Light Factor

4- Temperature Connection

5- Water Requirement

6- The Cell

7- The Lives of Plants

8- The Soil-Life Connection


13- Carbon/Nitrogen Ratio

14- Calcium and Magnesium

15- Sodium and the Trace Elements

16- Phosphorus


23- Insects

24- Weeds

25- Animal Health

... and much more!

About Charles Walters

Charles WaltersCharles Walters was the founder and executive editor of Acres U.S.A. He penned thousands of articles on the technologies of organic and sustainable agriculture and authored many books on the subject. You can find a full list of books written by Charles Walters here.

Read an excerpt from Eco-Farm

In this excerpt from Chapter 8 of Eco-Farm on EcoFarming Daily, Charles Walters discusses the soil-life connection and looks back at the history of agriculture.

Customer Reviews

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Dr M.
Australia Australia


Eco-farm is a useful and enlightening book on the science of the soil. It is USA based so many of the soils are very different from the Australian soils. However the science was useful and a book that will help many people starting on this journey of soil health;.

Roger D.
United States United States

Book review

The best book on eco farming that I have read. Straight to the point, and keeps this reader informed about facts that I never considered before. It will change the way I ranch and think about choices before making decisions that concern the soil

Cameron D.
United States United States


Intent of the book is good, but it is a maybe better as a text book for a high school or college-level science course. Some of the basic science early in the book could be picked up elsewhere. Instead of trying to cover everything in detail, the book would be more accessible if it was more succinct and more tightly focused on the ecological principles of perms/sustainable farming.

United States United States

The bible in Eco-Ag

This is by far the Bible of Eco-Ag, and absolutely the first book anyone should buy when learning this subject. I refer to it over and over. I built a consulting business primarily off of it. Can't recommend it enough.

Joe S.

Truly a Primer

Purchased this book in the early 1980’s and in my transition to understanding Organic Farming it truly stood out as the most referenced book on my book shelf from the wear on it’s cover in those first decades. Later in working with other growers it was also the book most recommended. Some on animal health, some on soils, weeds as indicators and more. As a farmer I knew some about weeds but after reading the “Eco Farm”, aka “An Acres U.S.A. Primer”, my respect for weeds and what they tell us about the soil totally changed. And the quote from page 394 that “All relate to each other and everything is connected to everything else”, is the concept that as a primer is still important in our Food and Agricultural System of today.

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