Beheshti Tabar, I., Keyhani, A. & Rafiee, S. (2010). Energy balance in Iran's agronomy (1990-2006). Renewable and Sustainable Energy Reviews 14, 849-855.
Bozoglu, M. & Ceyhan, V. (2009). Energy conversion efficiency of trout and sea bass production in the Black Sea, Turkey. Energy 34, 199-204.
Canakci, M. & Akinci, I. (2006). Energy use pattern analyses of greenhouse vegetable production. Energy 31, 1243-1256.
Canakci, M., Topakci, M., Akinci, I. & Ozmerzi, A. (2005). Energy use pattern of some field crops and vegetable production: Case study for Antalya Region, Turkey. Energy Conversion and Management 46, 655-666.
Cederberg, C. & Mattsson, B. (2000). Life cycle assessment of milk production -- a comparison of conventional and organic farming. Journal of Cleaner Production 8, 49-60.
Cellura, M., Longo, S. & Mistretta, M. (2012). Life Cycle Assessment (LCA) of protected crops: an Italian case study. Journal of Cleaner Production 28, 56-62.
Ekvall, T. (1999). Key methodological issues for life cycle inventory analysis of paper recycling. Journal of Cleaner Production 7, 281-294.
Ghosh, N. (2004). Reducing Dependence on Chemical Fertilizers and its Financial Implications for Farmers in India. Ecological Economics 49, 149-162.
Harding, K.G., Dennis, J.S., von Blottnitz, H. &, Harrison, S.T.L. (2008). A life-cycle comparison between inorganic and biological catalysis for the production of biodiesel. Journal of Cleaner Production 16, 1368-1378.
Hart, A., Clift, R., Riddlestone, S. & Buntin, J. (2005). Use of Life Cycle Assessment to Develop Industrial Ecologies—A Case Study: Graphics Paper. Process Safety and Environmental Protection 83, 359-363.
Hokazono, S. & Hayashi, K. (2012). Variability in environmental impacts during conversion from conventional to organic farming: a comparison among three rice production systems in Japan. Journal of Cleaner Production 28, 101-112.
Iriarte, A., Rieradevall, J. & Gabarrell, X. (2010). Life cycle assessment of sunflower and rapeseed as energy crops under Chilean conditions. Journal of Cleaner Production 18, 336-345.
Khoshnevisan, B., Rafiee, S., Omid, M., Mousazadeh, H. & Sefeedpari, P. (2013). Prognostication of environmental indices in potato production using artificial neural networks. Journal of Cleaner Production 52, 402-409.
Lal, R. (2004). Carbon emission from farm operations. Environment International 30, 981-990.
Mohammadi, A. (2014). Energy use optimization and environmental impacts reduction of main field crops production with mathematical programming approach: Case study from Golestan province. Ph.D. dissertation, University of Tehran, Iran. (In Farsi).
Mohammadi, A., Rafiee, S., Jafari, A., Keyhani, A., Mousavi-Avval, S.H. & Nonhebel, S. (2014). Energy use efficiency and greenhouse gas emissions of farming systems in north Iran. Renewable and Sustainable Energy Reviews 30, 724-733.
OECD. (2001). Improving The Environmental Performance of Agriculture: Policy Options And Market Approaches. Paris. OECD.
Rafiee, S., Mousavi Avval, S.H. & Mohammadi, A. (2010). Modeling and sensitivity analysis of energy inputs for apple production in Iran. Energy 35, 3301-3306.
Rebitzer, G., Ekvall, T., Frischknecht, R., Hunkeler, D., Norris, G., Rydberg, T. et al., (2004). Life cycle assessment: Part 1: Framework, goal and scope definition, inventory analysis, and applications. Environment International 30, 701-720.
Safa, M., Samarasinghe, S. & Mohssen, M. (2011). A field study of energy consumption in wheat production in Canterbury, New Zealand. Energy Conversion and Management 52, 2526-2532.
Sheikh Davoodi, M.J. & Houshyar, E. (2009). Energy Consumption of Canola and Sunflower Production in Iran. American-Eurasian Journal of Agricultural and Environmantal Science 6, 381-384.
Singh, S., Singh, S., Pannu, C.J.S. & Singh, J. (1999). Energy input and yield relations for wheat in different agro-climatic zones of the Punjab. Applied Energy 63, 287-298.
Thomassen, M.A., van Calker, K.J., Smits, M.C.J., Iepema, G.L. & de Boer, I.J.M. (2008). Life cycle assessment of conventional and organic milk production in the Netherlands. Agricultural Systems 96, 95-107.
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