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Paramagnetism: Rediscovering Nature's Secret Force of Growth
Opinión (10)
12 Mayo 2015Very good perspective on agriculture
Callahan's own words telling that this is his "most important book" tells much.
11 Mayo 2015This book does relly make you think and want to ...
This book does relly make you think and want to explore the possibility of the claims it makes about farming and soil health..
23 Enero 2015Five Stars
Very interesting.
1 Septiembre 2014Three Stars
Expected a deeper look into the topic..
30 Junio 2014Five Stars
Very interesting Worth reading.
13 Septiembre 2013great book by a brilliant man
If you have never read Philip Callahan you are missing out on the most brilliant insight of earth and insects availabke.
23 Enero 2012Could end up being very important work
This is one of my favorite organic gardening books on energy, his most important work ever for organic gardeners.
2 Octubre 2011Paramagnetism
This book looks back to how our the ancestors farmed and uses today's technology to find the answers.
9 Febrero 2011NO practical or useful information
I bought this book because I am a gardener and am always interested in new, possibly useful ways to garden better.
18 Octubre 2010Must have for gardening!
All I can say is ...