Wezel, A., and V. Soldat. 2009. A quantitative and qualitative historical analysis of the scientific discipline of agroecology. International Journal of Agricultural Sustainability 7(1):3–18.
White, S.L., J.A. Bertrand, M.R. Wade, S.P. Washburn, J.T. Green, and T.C. Jenkins. 2001. Comparison of fatty acid content of milk from Jersey and Holstein cows consuming pasture or a total mixed ration. Journal of Dairy Science 84:2295–2301.
Wilcock, B., S. Elliott, N. Hudson, S. Parkyn, and J. Quinn. 2008. Climate Change Mitigation Measures: Water Quality Benefits and Costs. Wellington, New Zealand: Ministry for the Environment.
Wilcock, R.J., and J.W. Nagels. 2001. Effects of aquatic macrophytes on physico-chemical conditions of three contrasting lowland streams: a consequence of diffuse pollution from agriculture? Water Science and Technology 43:163–168.
Wilcock, R.J., J.W. Nagels, H.J.E. Rodda, M.B. O’Connor, B.S. Thorrold, and J.W. Barnett. 1999. Water quality of a lowland stream in a New Zealand dairy farming catchment. New Zealand Journal of Marine and Freshwater Research 33:683–696.
Wilkins, R.J. 2008. Eco-efficient approaches to land management: a case for increased integration of crop and animal production systems. Philosophical Transactions of the Royal Society B-Biological Sciences 363(1491): 517–525.
Willer, H., M. Yussefi-Menzler, and N. Sorensen. 2008. The world of organic agriculture—statistics and emerging trends 2008. Available at http://orgprints.org/13123/2/willer-yussefi-sorensen-2008-final-tables.pdf. Accessed on February 8, 2010.
Winsten, J.R., R.L. Parsons, and G.D. Hanson. 2000. Differentiated dairy grazing intensity in the Northeast. Journal of Dairy Science 83(4):836–842.
Winsten, J. R., and B. T. Petrucci. 2003. Seasonal Dairy Grazing—A Viable Alternative for the 21st Century. DeKalb, Ill.: American Farmland Trust, Farms Division.
Woese, K., D. Lange, and P.O. Sjoden. 1997. A comparison of organically and conventionally grown foods—results of a review of the relevant literature. Journal of the Science of Food and Agriculture 74:281–293.