J Evid Based Dent Pract | 93 7 Suppl : 66S—71S |
---|---|
Our planet, our health: Report of the WHO commission on health and environment | Philosophical Transactions of the Royal Society |
"Nonpoint Pollution of Surface Waters with Phosphorus and Nitrogen".
"A critical assessment of organic farming-and-food assertions with particular respect to the UK and the potential environmental benefits of no-till agriculture" | Center for International Food and Agriculture Policy |
---|---|
Patrick Canning; Ainsley Charles; Sonya Huang; Karen R | United States Department of Agriculture |
"The Park Grass Experiment 1856-2006: its contribution to ecology" | Rome, Italy: Food and Agriculture Organization of the United Nations |
---|---|
University of Michigan Center for Sustainable Food Systems | Jones and Bartlett, Boston, MA |
Martin Heller; Gregory Keoleian 2000.