Browsing by Author "Condra, G. D."
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Adams, B. M.; Lacewell, R. D.; Condra, G. D. (Texas Water Resources Institute, 1976-06)The Arab oil embargo of 1973 awakened the world to the reality of energy shortages and higher fuel prices. Agriculture in the United States is highly mechanized and thus energy intensive. This study seeks to develop an ...
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Condra, G. D.; Lacewell, R. D.; Hardin, D. C.; Lindsey, K.; Whitson, R. E. (Texas Water Resources Institute, 1979-03)Public concern over the potential effects of energy price increases on the U.S. food and fiber system has been dramatically justified in the Trans Pecos region of Texas where a 450 percent increase in the price of natural ...
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Lacewell, R. D.; Condra, G. D. (Texas Water Resources Institute, 1976-06)Agriculture is a major income-producing sector in the Texas economy and a large part of this economic activity originates in irrigated crop production. For example, in 1973, 50% of all grain sorghum and 46% of all cotton ...
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Condra, G. D.; Lacewell, R. D. (Texas Water Resources Institute, 1977-01)Cropping pattern shifts in many aggregate linear programming (LP) models need to be constrained due to institutional, marketing machinery, and price uncertainty factors. The purpose of this study was to estimate constraints ...
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Lacewell, R. D.; Condra, G. D.; Hardin, D. C.; Zavaleta, L.; Petty, J. A. (Texas Water Resources Institute, 1978)The High Plains and Trans Pecos regions of Texas are semi-arid crop production regions located in the western part of the state. Relatively low levels of rainfall are supplemented by irrigation from groundwater supplies. ...
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Condra, G. D.; Lacewell, R. D.; Sprott, J. M.; Adams, B. M. (Texas Water Resources Institute, 1975-05)With rapidly changing conditions in production agriculture, the need for highly flexible and quickly applicable methods of analysis is emphasized. The purpose of this study was to develop such a model for a homogeneous ...