1. IRRI; 2011. http://irri.org/about-rice/http://irri.org/about-rice/rice-facts [accessed April 2011].
2. FAOSTAT. Food and Agricultural Organization Annual Report. Rome, Italy: FAO Publications; 2006.
3. Rice and water;Bouman,2007
4. The blue, green and grey water footprint of rice from production and consumption perspectives;Chapagain;Ecological Economics,2011
5. IRRI. http://irri.org/about-rice/rice-facts/rice-production-and-processing Land preparation; 2011 [accessed April 2011].