Antle, J.M., and Capalbo, S.M. 2002. Agriculture as a managed ecosystem: Policy implications. Journal of Agricultural and Resource Economics 27(1): 1-15.
Basso, B., and Ritchie, J.T. 2005. Impact of compost, manure and inorganic fertilizer on nitrate leaching and yield for a 6-year maize-alfalfa rotation in Michigan. Agriculture, Ecosystem and Environment 108: 329-341.
Canadell, P. 2007. Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks. Proceedings of the National Academy USA 104: 18866-18870.
Carpenter, S.R., DeFries, R., Dietz, T., Mooney, H.A., Polasky, S., Reid, W.V., and Scholes, R.J. 2006. Millennium ecosystem assessment: research needs. Science 314: 257-258.
Costanza, R., D’Arge, R., DeGroot, R.S., Farber, S., Grasso, M., Hannon, B., Limburg, K., Naeem, S., O’Neill, R.V., Paruel, J., Raskin, R.G., Sutton, P., and VandenBelt, M. 1997. The value of the world’s ecosystem service and natural capital. Nature 387: 253-260.
Crossman, N.D., and Bryan, B.A. 2009. Identifying cost-effective hot spots for restoring natural capital and enhancing landscape multi-functionality. Ecological Economics 68: 654-668.
Crossman, N.D., Bryan, B.A., and Summers, D.M. 2011. Carbon payments and low-cost conservation. Conservation Biology 25: 835-845.
Daily, G.C. 1997. Nature's Services: Societal Dependence on Natural Ecosystems. Island Press, Washington 392 pp.
Dale, V.H., and Polasky, S. 2007. Measures of the effects of agricultural practices on ecosystem services. Ecological Economics 64: 286-296.
De Groot, R.S., Wilson, M.A., and Boumans, R.M.J. 2002. A typology for the classification, description and valuation of ecosystem function, goods and services. Ecological Economics 41: 393-408.
De Groot, R., Brander, L., Ploeg, S., Costanza, R., Bernard, F., Braat, L., Christie, M., Crossman, N., Ghermand, A., Hein, L., Hussain, S., Kumar, P., McVittie, A., Portela, R., Rodriguez, L.C., Brink, P., and van Beukering, P. 2012. Global estimates of the value of ecosystems and their services in monetary units. Ecosystem Services 1: 50-61.
Del Grasso, S.J. 2002. Refinement, testing and application of the DEYCENY model to investigate ecological impacts of agriculture. PhD thesis, Colorado State University, Fort Collins, USA.
Fitter, A., Elmqvist, T., Haines-Young, R., Potschin, M., Rinaldo, A., Setala, H., Stoll-Kleemann, S., Zobel, M., and Murlis, J. 2010. An Assessment of Ecosystem Services and Biodiversity in Europe. In: Hester, R.E. and R.M. Harrison. 2010 (Eds.). Ecosystem Services. Issues in Environmental Science and Technology. Royal Society of Chemistry Publishing, UK. 1-28.
Grandy, A.S., Loecke, T.D., Parr, S., and Robertson, G.P. 2006. Long-term trends in nitrous oxide emissions, soil nitrogen, and crop yields of till and no-till cropping systems. Journal of Environmental Quality 35: 1487-1495.
Grandy, A.S., and Robertson, G.P. 2007. Land-use intensity effects on soil organic carbon accumulation rates and mechanisms. Ecosystems 10: 58-73.
Guo, Z.W., Xiao, X.M., and Li, D.M. 2000. An assessment of ecosystem services: water flow regulation and hydroelectric power production. Ecological Application 10: 925-36.
Hansen, B., Alroe, H.F., and Steen, K.E. 2001. Approaches to assess the environmental impact of organic farming with particular regard to Denmark. Agriculture, Ecosystems and Environment 83(1-2): 11-26.
Hein, L., Koppen, K., Groot, R., and Ierland, E. 2006. Spatial scales, stakeholders and the valuation of ecosystems services. Ecology 57: 209-228.
Kosonen, K. 2005. Fiscal instruments for internalizing external costs. http://www. externe.info/brussels/br1140.pdf.
Kremen, C. 2005. Managing ecosystem services: what do we need to know about their ecology? Ecological Letters 8: 468-79.
Lai, R. 2003. Global potential of soil carbon sequestration to mitigate the greenhouse effect. Critical Reviews in Plant Sciences 22(2): 151-184.
Lai, R., Grifin, M., Apt, J., Lave, L., and Morgan, M.G. 2004. Managing soil carbon. Science 304: 393.
Li, J., Wang, W., Huc, G., and Weic, Z. 2010. Changes in ecosystem service values in Zoige Plateau, China. Agriculture, Ecosystems and Environment 139: 766-770.
Lv, Y., Gu, S., and Guo, D. 2010. Valuing environmental externalities from rice–wheat farming in the lower reaches of the Yangtze River. Ecological Economics 69: 1436-1442.
Madureira, L., Rambonilaza, T., and Karpinski, I. 2007. Review of methods and evidence for economic valuation of agricultural non-commodity outputs and suggestions to facilitate its application to broader decisional contexts. Agriculture, Ecosystems and Environment 120: 5-20.
McSwiney, C., and Robertson, G.P. 2005. Nonlinear response of N20 flux to incremental fertilizer addition in a continuous maize (Zea mays) cropping system. Global Change Biology 11: 1-8.
MEA, Millennium Ecosystem Assessment, 2005. Ecosystems and Human Well-Being: Synthesis. Island Press, Washington DC.
Murty, D., Kirschbaum, M.U.F., McMurtrie, R.E., and McGilvray, H. 2002. Does forest conversion to agricultural land change soil organic carbon and nitrogen? A review of the literature. Global Change Biology 8: 105-123.
Nassiri, M., and Koocheki, A. 2014. Trend analysis of nitrogen use and productivity in wheat production systems of Iran. Journal of Agroecology (accepted). (In Persian with English Summary)
Nijkamp, P., and Vindigni, G. 2003. The Economics of Biodiversity: A Multivariate Meta-analysis. Vrije Universiteit, Amsterdam.
Norris, K., Potts, S.G., and Mortimer, S.R. 2010. Ecosystem Services and Food Production. In: Hester, R.E. and R.M. Harrison. 2010 (Eds.) Ecosystem Services. Issues in Environmental Science and Technology. Royal Society of Chemistry Publishing, UK. 52-69.
Nunes, P., and Bergh, J. 2001. Economic valuation of biodiversity: sense or nonsense. Ecology 39: 203-222.
OECD, 2002. Handbook of Biodiversity Valuation. A Guide for Policy Makers. OECD, Paris, France.
Pimentel, D., Hepperly, P., Hanson, J., Douds, D., and Seidel, R. 2005. Environment, energetic, and economic comparisons of organic and conventional farming systems. Bioscience 55: 573-581.
Pretty, J.N. 2002. Agriculture: Reconnecting People, Land and Nature. Earthscan Publications Ltd., London.
Pretty, J.N., Brett, C., Gee, D., Hine, R.E., Mason, C.F., Morison, J.I.L., Raven, H., Rayment, M.D., and Vander Bijl, G. 2000. An assessment of the total external costs of UK agriculture. Agricultural Systems 65: 113-136.
Randall, A. 2002. Valuing the out puts of multifunctional agriculture. European Review of Agriculture Economics 29: 280-307.
Syswerda, S.P. 2009. Ecosystem services from agriculture across a management intensity gradient in Southwest Michigan. PhD thesis, Michigan State University.
Sandhu, H.S., Wtatten, S.D., Cullen, R., and Case, B. 2008. The future of farming: The value of ecosystem services in conventional and organic arable land. An experimental approach. Ecological Economic 64: 835-848.
TEEB Foundations, 2010. In: Kumar, P. (Ed.), The Economics of Ecosystems and Biodiversity: Ecological and Economic Foundations. Earth Scan, London, Washington.
Thornes, J. 2010. Atmospheric services. In: Hester, R.E. and Harrison, R.M. 2010 (Eds.) Ecosystem Services. Issues in Environmental Science and Technology. Royal Society of Chemistry Publishing, UK. 70-104.
Tilman, D., Cassman, K., Matson, P., Naylor, R., and Polasky, S. 2002. Agricultural sustainability and the costs and benefits of intensive production practices. Nature 418: 671-677.