Total number of organic hectares grew 2.3-fold from 2001 to 2011
The organic hectares total has multiplied by 2.3 in the decade from 2001 to 2011, but this has varied greatly by country
John Paull, "The Uptake of Organic Agriculture: A Decade of Worldwide Development," Journal of Social and Development Sciences, no. 3 (Sept,2011): 111-120, accessed April 1, 2014, http://orgprints.org/19517/1/Paull2011DecadeJSDS.pdf
[verified 4/15/14]