Agriculture Reference
In-Depth Information
52
IPCC (2000),
op cit. 43.
53
Lal, R (2003),
op cit. 33
.
54
Jones, C (2008),
op cit. 50.
55
Porteous and Smith (2008),
op cit. 50
.
56
Jones, Christine,
Soil and Carbon Credits
, 5 March 2006,
http://www.soilcarboncredits.blogspot.com/
57
Brock, Caroline
et al
(n.d.),
A Comparison of Mycorrhizal Colonization in Corn in Continuous and Organic Sys-
tems
, University of Madison Center for Integrated Agricultural Systems,
http://www.cias.wisc.edu/wicst/pubs/vam.htm
58
Azeez does postulate that there might be further gains if organic management methods were applied to permanent
pasture, but concedes that these are unproven. Azeez, G (2009),
Soil Carbon and Organic Farming
, Soil Association,
2009, p 97.
59
Goulding
et al (
2009),
op cit.
7; A Bhogal
et al
(n.d.), 'The Effects of Reduced Tillage Practices and Organic
Material additions on the Carbon Content of Arable Soils', scientific Report for DEFRA Project SP0561, ADAS and
Rothampsted.
60
Azeez,
op cit
. 58, p 30.
61
In a shorter time, because soil carbon is normally lost more quickly than it accumulates, Baritz
et al
(2004),
Task
Group 5 Land Use Practices and SOM,
cited in Azeez,
ibid,
p 132.
62
Azeez,
ibid
, p 100.
63
Jones, Philip, with Crane, Richard (2009),
England and Wales under Organic Agriculture: How much Food
could
be
Produced?
Executive
Summary,
Centre
for
Agricultural
Strategy,
University
of
Reading,
ht-
64
Azeez cites Greenpeace,
Cool Farming
, 2008, p 15 for the figures on E Europe, etc. Greenpeace anticipates that
arable agriculture will increase both through greater application of N fertilizer, and a 10-14 per cent increase in arable
land area in Russia.
65
Azeez,
op cit. 58,
p 81.
66
These are the figures given by Harvey. The figures Pollan gives are presumably from an earlier year and lower.
Pollan,
op cit
. 30, p 222; Harvey,
op cit
. 1, p 74.
67
Personal communication.
68
Donovan, Peter (2008),
What Grass Farmers Have Known all Along - Research Shows Grass Sequesters Carbon
,
June 2008,
http://soilcarboncoalition.org/holdridge
69
Schnabel, R R
et al
, 'The Effects of Pasture Management Practice', in F Follet
et al
,
op cit
. 14. Skinner cites cases
where high levels of hay removal turned pastures into net sources of carbon emissions. Skinner, R H (2008), 'High Bio-
mass Removal Limits Carbon Sequestration Potential of Mature Temperate Pastures',
J Eviron Qual
, 37(4) 1319-26.
70
Van der Burgt, G J
et al
(2008),
Dutch (Organic) Agriculture, Carbon Sequestration and Energy Production
, Fifth
International scientific Conference on Sustainable Farming Systems.
71
Bhogal,
op cit. 59.
72
Smith, P
et al
,
op cit. 10.
73
Azeez,
op cit. 58,
p 138.
74
Baumert et al (2005),
Navigating the Numbers: Greenhouse Gas Data and Intenational Climate Policy
, World Re-
sources Institute.
