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. 2017 Apr 17;8(2):117–147. doi: 10.1080/21645698.2017.1309490
  Annual increase in carbon sequestered based on 1996 average (kg carbon/ha) Crop area (million ha) Total additional carbon sequestered (million kg) Total additional Carbon dioxide sequestered (million kg)
1996 0.0 5.91 0.0 0.0
1997 16.92 6.39 108.17 396.98
1998 22.80 6.95 158.52 581.78
1999 19.77 8.18 161.68 593.38
2000 22.03 10.59 233.27 856.09
2001 43.09 11.50 495.53 1,818.58
2002 61.05 12.96 791.51 2,904.83
2003 72.20 13.50 974.71 3,577.19
2004 86.07 14.34 1,234.69 4,531.31
2005 79.08 15.20 1,202.00 4,411.35
2006 81.02 16.15 1,308.48 4,802.13
2007 90.79 16.59 1,505.72 5,526.00
2008 101.33 16.77 1,699.00 6,235.34
2009 97.49 18.60 1,813.37 6,655.06
2010 101.23 18.20 1,842.45 6,761.81
2011 105.28 18.60 1,958.28 7,186.90
2012 105.28 19.35 2,037.25 7,476.69
2013 105.28 19.75 2,079.36 7,631.24
2014 105.28 19.78 2,082.52 7,642.83
2015 105.28 19.40 2,042.51 7,496.01
Total     23,729.02 87,085.50

Assumption: NT = +175 kg carbon/ha/yr, Conventional Tillage CT = −25 kg carbon/ha/yr