This book is the culmination of all of Callahan's previous works and will certainly be his most p...
Dr. Richard Olree believes that the key to the biological role of all trace minerals has been ava...
The energies in fertilizers and in the cosmos do not often move needles, but they preside over cr...
A practical guide to interpreting soil test results for farmers and other stewards of the earth w...
In this book, scientist Philip Callahan shows how 'civilized' insanity is turning Ireland away fr...
With the recent republication of Dr. Maynard Murray's Sea Energy Agriculture,readers rediscover...
In Vol. 7, Albrecht discusses balancing soil nutrients as an exacting science and examines the re...
New Zealand grazing consultant Peter Bacchus shares a lifetime of experience on applying biodynam...
This in-depth, multi-authored work originally published in France takes readers deep into traditi...
'Organic? That's nice as a luxury for the rich. But now it's getting serious. Almost eight billio...