permaculture

["Charles de Matas" <cdematas@hotmail.com>]

Okay - I'll try to find the book and give you a better idea of what he 
actually wrote. I think the book is "Agroforestry for Soil Management".  I 
was quoting from memory which is always risky.
   It would be nice if soil carbon sequestration could help in the problem 
of climate change.  I think that scientists have recognized that no single 
tactic will be enough.  They have listed about a dozen or so modalities 
(more efficient appliances, hybrid cars, solar and other renewable energies, 
energy efficient buildings, sequestration, etc.) where each one will take up 
a 'slice' of the carbon needed to be removed to offset burning of fossil 
fuels.  Maybe soil carbon sequestration can help with a small slice, but I 
haven't seen enough to convince me that it will be a major factor in 
controlling CO2.

Charles.



<<<<<<<<<<<<<<<<<<
Could you get a better reference on that book. The conclusions are contrary 
to a
number of studies and articles I have seen. I am curious to read how he got 
to
his conclusions.

Do a google search on carbon sequestration in the soil and you be amazed at 
the
number of studies and the amount of mainstream research being done. Here are
just a few references on carbon sequestration in the soil from that search:

http://edcintl.cr.usgs.gov/carbonoverview.html?
http://www.fao.org/ag/agL/agll/carbonsequestration/?
http://ohioline.osu.edu/aex-fact/pdf/0510.pdf?
http://www.eprida.com/hydro/soilseq.htm?
https://www.soils.org/pdf/pos_paper_carb_seq.pdf
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