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THE JOURNAL OF ECONOMIC SCIENCES: THEORY AND PRACTICE, V.70, # 1, 2013, pp. 4-22
analysis. By adding irrigation timing, the economic results regarding PPET may
not show as much unrealistic as this study which will help make the result more
precise and more useful in directing the real production.
References
[1] Almas, L.K., F. Bretz, S. Amosson, T. Marek, L. New, and B. Stewart. Determining Region
A Water Supply Needs for the 50-year Planning Period. Panhandle Water Planning Project
Task 4 Project Memorandum. Texas A&M University, Agricultural Research and Extension
Center, Amarillo, Texas, April 2000.
[2] Amosson, S.H., L. Almas, F. Bretz, D. Gaskins, B. Guerrero, D. Jones, T. Marek, L. New and
N. Simpson. 2006. Water Management Strategies for Reducing Irrigation Demands in
Region A. Senate Bill 2 Research Report prepared for Agricultural Subcommittee of
Panhandle Water Planning Group, Panhandle Water Planning Project Task 4, Texas A&M
University AREC, Amarillo, Texas. June 30, 2005.
[3] Colaizzi, P.D., P. Gowda, T. Marek and D. Porter. 2008. Irrigation in the Texas High Plains:
a brief history and potential reductions in demand. Irrigation and Drainage. 58: 257-274
[4] Colette, W.A. and L.Almas. 2004. Estimating the MVP and Optimum Irrigation Level for
Grain Sorghum Utilizing Evapotranspiration Requirements for the Texas Panhandle.
American Agricultural Economics Association Annual Meeting, Denver, CO, August 1-4,
2004.
[5] Colette, W.A. and L. Almas. 2007. Comparison of Water Allocation Strategies for Wheat
Production in the Texas Panhandle. Southern Agricultural Economics Association Annual
Meeting, Mobile, Alabama, February 3-6, 2007.
[6] Colette, W.A., L. Almas and C. Robison. 2008. The Use of Weather Data and
Evapotranspiration Requirements to Estimate the Marginal Value Product of Irrigation and
the Profit Maximizing Irrigation Level for Corn in the Texas Panhandle. Southern
Agricultural Economics Association (SAEA) Annual Meetings, Dallas, Texas.
[7] Marek T.H., T. Howell, L. New, B. Bean, D. Dusek and G. Michels, Jr. 1996. Texas North
Plains PET Network.
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