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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 carbon sequestered (million kg) Carbon dioxide (million kg)
1996 0.0 3.5 0.00 0.00
1997 3.3 4.9 15.83 58.09
1998 3.3 5.4 17.64 64.75
1999 3.3 5.6 18.08 66.37
2000 3.3 4.9 15.79 57.96
2001 6.5 3.8 24.60 90.30
2002 9.8 3.3 31.80 116.71
2003 13.0 4.7 60.96 223.72
2004 16.3 4.9 80.26 294.55
2005 19.5 5.5 107.07 392.96
2006 22.8 5.2 119.17 437.36
2007 24.1 5.9 142.16 521.72
2008 26.0 6.5 168.86 619.71
2009 29.3 6.4 186.50 684.44
2010 32.5 6.5 211.72 777.00
2011 32.5 7.5 242.81 891.10
2012 32.5 8.6 279.01 1,023.98
2013 32.5 7.8 253.91 931.84
2014 32.5 8.3 271.17 995.23
2015 32.5 8.1 262.70 964.10
Total     2,510.05 9,211.89

Note: NT/RT = +55 kg of carbon/ha/yr CT = −10 kg of carbon/ha/yr