References

Alvarez, A. and C. Arias, 2003. Diseconomies of size with fixed managerial ability. Am. J. Agric. Econ., 85: 134-142.

Aquastat, 2008. Food and agriculture organization of the united nations. FAO, http://www.fao.org/NR/WATER/AQUASTAT/countries/iraq/index.stm.

Binam, J.N., J. Tonye, N. Wandji, G. Nyambi and M. Akoa, 2004. Factors affecting the technical efficiency among smallholder farmers in the slash and burn agriculture zone of cameroon. Food Policy, 29: 531-545.
CrossRef  |  Direct Link  |  

Blomhoff, R., M.H. Carlsen, L.F. Andersen and D.R. Jacobs Jr., 2006. Health benefits of nuts: Potential role of antioxidants. Br. J. Nutr., 96: S52-S60.
CrossRef  |  PubMed  |  Direct Link  |  

Cobb, C.W. and P.H. Douglas, 1928. A theory of production. Am. Econ. Rev., 18: 139-165.
Direct Link  |  

Cohen, A.J. and G.C. Harcourt, 2003. Retrospectives: Whatever happened to the Cambridge capital theory controversies?. J. Econ. Perspec., 17: 199-214.

Daly, H., 1997. Forum on Georgescu-Roegen versus Solow/Stiglitz. Ecol. Econ., 22: 261-306.

Dawson, P.J. and J. Linqard, 1989. Measuring farm efficiency over time on Philippine rice farms. J. Agric. Econ., 40: 168-177.

Kalirajan, K.P. and J.C. Flinn, 1983. The measurement of farm specific technical efficiency. Pak. J. Appl. Econ., 11: 167-180.

Koyuncu, M.A., K. Ekinci and E. Savran, 2004. Cracking characteristics of walnut. Biosyst. Eng., 87: 305-311.
Direct Link  |  

Mirotchie, M. and D.B. Taylor, 1993. Resource allocation and productivity of cereal state farms in Ethiopia. Agric. Econ., 8: 187-197.
CrossRef  |  Direct Link  |  

Safavi, N., 2005. Economic analysis of kivi production function and in Mazandaran province. J. Agric. Econ. Dev., 7: 50-70.

Zangeneh, M., M. Omid and A. Akram, 2010. A comparative study on energy use and cost analysis of potato production under different farming technologies in Hamadan province of Iran. Energy, 35: 2927-2933.
CrossRef  |