Facts and Myths of Feeding the World with Organic Farming Methods - Principles of Sustainable Soil Management in Agroecosystems - page 107

Hansen, B., H.F. Alrøe, E.S. Kristensen, and M. Wier. 2002. Assessment of food safety in
organic farming. Danish Research Centre for Organic Farming (DARCOF) Working
Paper no. 52, Post Box 50, DK-8830 Tjele, Denmark. http://orgprints.org/00000206
(verified April 10, 2012).
Hughner, R.S., P. McDonagh, A. Prothero, C.J. Shultz, and J. Stanton. 2007. Who are organic
food consumers? A compilation and review of why people purchase organic food.
J Consum Behav 6:94-110.
IFA. 2002. Statistics, 2nd edn. International Fertilizer Industry Association.
http://www.fertilizer.org/ifa (verified April 3, 2012).
IFOAM. 2012. International Federation of Organic Agriculture Movements. www.ifoam.org .
(verified April 3, 2012).
Jasinski, S.M. Phosphate rock. 2011. In: Mineral Commodity Summaries. United States
Geological Survey, United States Government Printing Office, Washington, DC.
Kahl, J., T. Baars, S. Bügel, N. Busscher, M. Huber, D. Kusche, E. Rembiałkowska, O. Schmid,
K. Seidel, B. Taupier-Letage, A. Velimirov, and A. Załęcka. 2012. Organic food quality:
a framework for concept, definition and evaluation from the European perspective. J Sci
Food Agric 92:2760-2765.
King, F.H. 1911. Farmers of Forty Centuries: Organic Farming in China, Korea, and Japan .
Dover Publications, Inc. Mineola, NY, USA.
Ladha, J.K., H. Pathak, T.J. Krupnik, J. Six, and C. van Kessel. 2005. Efficiency of fertilizer
nitrogen in cereal production: retrospects and prospects. Adv Agron 87:85-156.
Lal, R. 2006. Enhancing crop yields in the developing countries through restoration of the soil
organic pool in agricultural lands. Land Degrad Dev 17:197-209.
MacDonald, J.M., E.J. O'Donoghue, W.D. McBride, R.F. Nehring, C.L. Sandretto, and
R. Mosheim. 2007. Profits, Costs, and the Changing Structure of Dairy Farming. Economic
Research Report No. (Err-47), USDA Economic Research Service, Washington, D.C.
Magkos, F., F. Arvaniti, and A. Zampelas. 2003. Organic food: nutritious food or food for
thought? A review of the evidence. Int J Food Sci Nutr 54:357-371.
Magnusson, M.K., A. Arvola, U. Hursti, L. Aberg, and P. Sjoden. 2001. Attitudes towards
organic foods among Swedish consumers. Br Food J 103:209-227.
Miao, Y., B.A. Stewart, and F. Zhang. 2010. Long-term experiments for sustainable nutrient
management in China. A review. Agron Sustain Dev 31:397-414.
National Agricultural Statistics Service. 2012. Quick Stats. http://www.nass.usda.gov/
QuickStats/Create_Federal_All.jsp (verified June 6, 2012).
National Research Council. 2010. Toward Sustainable Agricultural Systems in the 21st
Century. The National Academies Press, Washington, D.C.
Nielsen, R. 2005. Can we feed the world? Is there a nitrogen limit of food production? http://
home.iprimus.com.au/nielsens/nitrogen.html (verified April 3, 2012).
Pimentel, D., P. Hepperly, J. Hanson, D. Douds, and R. Seidel. 2005. Environmental, energetic, and
economic comparisons of organic and conventional farming systems. BioScience 55:573-582.
Rothamsted Research. 2006. Guide to the classical and other long-term experiments,
datasets and sample archive. Lawes Agricultural Trust Co. Ltd., available at
http://www.rothamsted.bbsrc.ac.uk/resources/LongTermExperiments.pdf (verified March
1, 2012).
Sean, C., K. Klonsky, P. Livingston, and S.T. Temple. 1999. Crop-yield and economic com-
parisons of organic, low-input, and conventional farming systems in California's
Sacramento Valley. Am J Altern Agric 16:25-35.
Seufert, V., N. Ramankutty, and J.A. Foley. 2012. Comparing the yields of organic and conven-
tional agriculture. Nature 485:229-232.
Smil, V. 2002. Nitrogen and food production: proteins for human diets. Ambio 31:126-131.
Smil, V. 2011. Nitrogen cycle and world food production. World Agric 2:9-1.