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Now showing items 71-80 of 107
Preferences for environmental quality under uncertainty and the value of precision nitrogen application
(2009-07)
Scope and Method of Study: The first essay in this models winter wheat producers' choice among potential nitrogen fertilizer application systems that predict nitrogen needs based on optical reflectance data collected from ...
Economic analysis of structural change in feedlot cattle death loss
(2018-05)
Anecdotal evidence suggesting that feedlot cattle death loss is increasing over time has revived a need for further research on death loss in feedlots. Death loss may be related to controllable factors including technology ...
Switchgrass biomass to ethanol production economics: Field to fuel approach
(2010-12)
Scope and Method of Study: Switchgrass has been proposed as a dedicated energy crop. The first essay determines switchgrass yield response to nitrogen fertilizer for a single annual harvest in July and for a single annual ...
Impact of cattle feeding operations on income and employment of the six High-Plains states
(2005-12)
Scope and Method of Study: The study area contained 222 counties from the Six High-Plains States of Colorado, Kansas, Nebraska, New Mexico, Oklahoma and Texas. County level two digit SIC data were collected for the period ...
Chloride control and irrigation management: A GIS integrated approach to economic feasibility for cotton
(2012-12)
This study estimates the net agricultural benefits of preventing nearly 500 tons of salt per day, sufficient to preclude irrigation or potable water use, from entering the Elm Fork of the Red River near the Texas border ...
Economic analysis on animal manure; Static and dynamic approaches, Cox non-nested test, and optimal nitrogen rates for grasses
(2009-07)
Scope and Method of Study: This study consists of three sections. The purpose of first section is to determine an economic profitability of sustained application of swine lagoon effluent and beef feedlot manure relative ...
Stochastic optimization of non-point source pollution abatement for the Eucha-Spavinaw watershed
(2007-07)
Scope and Method of Study: This study develops and applies a comprehensive decision-support tool, an integrated biophysical-hydrologic - economic watershed model to determine the least cost mix, location, and magnitude of ...