Kristensen, E. S. (2006). Estimated N leaching losses for or-
ganic and conventional farming in Denmark. Journal of Agri-
cultural Science, 144, 135-149.
Lairon, D. (2009). Nutritional quality and safety of organic food.
A review. Agronomy for Sustainable Development, 1, 1-9.
Loureiro, M. L., McCluskey, J. J., Mittelhammer R. C. (2001).
Assessing consumer preferences for organic, eco-labelled, and
regular apples. Journal of Agricultural and Resource Econom-
ics, 26, 404-416.
Lutaladio, N., Burlingame, B., Crews, J. (2010). Horticulture,
biodiversity and nutrition. Journal of Food Composition and
Analysis, 23, 481-485.
Mader, P., Fliessbach, A., Dubois, D., Gnst, L., Fried, P., Niggli,
U. (2002). Soil fertility and biodiversity in organic farming. Sci-
ence, 296, 1694-1697.
Moresi, M., Valentini, R. (2010). Dieta Mediterranea e impatto
globale. Industrie Alimentari, 49, 9-20.
Ness, A. R. and Powles, J. W. (1997). Fruit and vegetables, and
cardiovascular disease: A review. International Journal of Epi-
demiology, 26, 1-13.
Niggli, U., Fliessbach, A., Hepperly, P., Scialabba, N. (2008). Low
greenhouse gas agriculture: Mitigation and adaptation potential
of sustainable farming systems. Rome, FAO.
Pang, X. P., Letey, J. (2000). Organic farming: Challenge of tim-
ing nitrogen availability to crop nitrogen requirements. Soil Sci-
entific Society American Journal, 64, 247-253.
Pimentel, D., Hepperly, P., Hanson, J., Douds, D., Seidel, R.
(2005). Environmental, energetic, and economic comparisons
of organic and conventional farming systems. BioScience, 55,
573-582;
Rejinders, L., Soret, S. (2003). Quantification of the environ-
mental impact of different dietary protein choices. American
Journal of Clinical Nutrition, 78 (Suppl.), 664S-668S.
Rundlöf, M., Nilsson, H., Smith, H. J.(2008a). Interacting effects
of farming practice and landscape context on bumble bees. Bi-
ological Conservation, 141, 417-4 26.
Rundlöf, M., Bengtsson, J., Smith, H. G. (2008b). Local and land-
scape effects of organic farming on butterfly species richness
and abundance. Journal Applied Ecology, 45, 813-820.
Shepherd, R., Magnusson, M., Sioden, P. O. (2005). Determi-
nants of consumer behaviour related to organic foods. Ambio,
34 , 352-359.
Thrupp, L. A. (2000). Linking agricultural biodiversity and food
security: the valuable role of agrobiodiversity for sustainable
agriculture. International Affairs, 76, 265-281.
Tjärnemo, H., Ekelund L. (2004). Consumers choice of organic
versus conventional fruit and vegetables – The role of the gro-
cery store. W. Bokelmann (Ed.) ISHS Acta Horticulturae 655:Proceedings of the XV International Symposium on Horticultural
Economics and Management. Germany, Berlin (pp. 115-120)
Willer, H., Kilcher, L. (2011). The World of Organic Agriculture – Sta-
tistics and Emerging Trends 2011. IFOAM, Bonn, and FiBL, Frick.
Williams, A.G., Audsley, E. and Sandars, D.L. (2006). Determin-
ing the environmental burdens and resource use in the pro-
duction of agricultural and horticultural commodities. Main
Report. Defra Research Project IS0205. Bedford: Cranfield Uni-
versity and Defra. From: http://www.silsoe.cranfield.ac.uk, and
http://www.defra.gov.uk260