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Registros recuperados: 8
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A Watershed-Based Economic Model of Alternative Management Practices in Southern Agricultural Systems AgEcon
Paudel, Krishna P.; Hite, Diane; Intarapapong, Walaiporn; Susanto, Dwi.
We investigated the environmental impacts of alternative cultural practices within a watershed under different water quality standards. We used experimental data on nutrient runoff to determine the optimal amount of broiler litter application in hay production in Louisiana. To compensate for the lack of experimental data, we used biophysical simulation models to find the optimal combination of agricultural best-management practices in a watershed in Mississippi. The results indicated that stricter environmental standards lower total profit potential and litter utilization.
Tipo: Journal Article Palavras-chave: Broiler litter; Cropping systems; Optimization; Watershed level modeling; Water quality; C6; Q1; Q25; D21.
Ano: 2003 URL: http://purl.umn.edu/43213
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ENVIRONMENTAL RISK ASSESSMENT UNDER ENVIRONMENTAL STANDARD AND SAFETY-FIRST CONSTRAINTS AgEcon
Intarapapong, Walaiporn; Hite, Diane; Renck, Ashley Wood.
The uncertainty weather condition could pose some challenge in achieving environmental target. In this study, we use a bioeconomic model to calculate the impacts of alternative management systems. Under different safety-first constraints on the levels of environmental runoff, obtaining from APEX, optimal net return of alternative cropping practices is estimated.
Tipo: Conference Paper or Presentation Palavras-chave: Environmental Economics and Policy.
Ano: 2002 URL: http://purl.umn.edu/36673
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ENVIRONMENTALLY ADJUSTED MEASURES OF GAINS FROM TRADE LIBERALIZATION: THE CASE OF U.S. CORN PRODUCTION AgEcon
Intarapapong, Walaiporn; Peterson, E. Wesley F..
An econometric model of the U.S. corn sector is used to estimate the welfare effects of the Uruguay Round Agreement. Trade liberalization also leads to changes in input use that can affect the environment. The gains from trade liberalization are adjusted for the environmental effects caused by these changes.
Tipo: Conference Paper or Presentation Palavras-chave: Crop Production/Industries; International Relations/Trade; Research Methods/ Statistical Methods.
Ano: 1998 URL: http://purl.umn.edu/20914
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PREDICTED VS. ESTIMATED WELFARE MEASURES: A TEST OF THE BENEFITS TRANSFER METHOD AgEcon
Intarapapong, Walaiporn; Hite, Diane; Jaafar, Abdul H.; Hudson, Darren.
Estimating non-market value on a site-by-site basis is a costly and time-consuming task. Benefits transfer is an alternative approach. We attempt to assess the bias and reliability of predicted value from the benefit transfer approach, using the U.S. Fish and Wildlife Services'’ National Survey of Fishing, Hunting and Wildlife Associated Recreation
Tipo: Conference Paper or Presentation Palavras-chave: Environmental Economics and Policy; Resource /Energy Economics and Policy.
Ano: 2000 URL: http://purl.umn.edu/21748
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THE ECONOMIC AND ENVIRONMENTAL IMPACTS OF VARIABLE RATE FERTILIZER APPLICATION: THE CASE OF MISSISSIPPI AgEcon
Intarapapong, Walaiporn; Hite, Diane; Hudson, Darren.
A number of programs have been introduced to limit environmental nonpoint pollution (NPP) associated with agricultural practices. One such program, precision agriculture, involves a range of management practices that utilize site-specific information at the field level. These practices can limit the amount of nutrient and chemical runoff to the environment because they precisely match fertilizer and pesticide application to the needs of the crop. This study uses bioeconomic modeling to investigate the environmental and economic impacts of precision agriculture technology associated with variable rate fertilizer application, as compared to a conventional, single rate application. The empirical results demonstrate that one particular precision...
Tipo: Working or Discussion Paper Palavras-chave: Environmental Economics and Policy.
Ano: 2002 URL: http://purl.umn.edu/15801
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Use of On-Farm Reservoirs in Rice Production: Results from the MARORA Model AgEcon
Popp, Jennie S. Hughes; Wailes, Eric J.; Young, Kenneth B.; Smartt, Jim; Intarapapong, Walaiporn.
The present article uses the modified Arkansas off-stream reservoir analysis and the environmental policy-integrated climate models to examine the impacts of on-farm reservoirs and tail water recovery systems in conjunction with other best management practices on profitability, water use, and sediment control for rice-soybean farming operations. Results suggest that, under limited water availability conditions, reservoirs and tail water recovery systems can improve profitability, reduce ground water dependence, and reduce the movement of sediment, nutrients, and pesticides off-farm. Although reservoirs may not be profitable under plentiful water conditions, cost-sharing opportunities may make them a viable means of addressing environmental concerns.
Tipo: Journal Article Palavras-chave: On-farm reservoirs; Sediment control; Water management; Q25; Q15; Q29.
Ano: 2003 URL: http://purl.umn.edu/43212
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WATERSHED-LEVEL POLICIES TO IMPLEMENT BEST MANAGEMENT PRACTICES UNDER ENVIRONMENTAL RISK AgEcon
Intarapapong, Walaiporn; Hite, Diane.
To meet environmental target, policies that coordinate nonpoint pollution control efforts within a watershed may result in higher total profits than policies that do not. That is, the greatest profits and most runoff reduction would be achieved with optimal combinations of BMPs. However, the uncertainty weather condition could pose some challenge in achieving environmental target. In this study, we use a bioeconomic model, Agricultural Policy Envi-ronment Extender (APEX) to simulate the environmental impacts of alternative cropping sys-tems. Under safety-first constraints, the levels of environmental runoff and optimal net returns of alternative cropping practices are estimated, using GAMS.
Tipo: Conference Paper or Presentation Palavras-chave: Environmental Economics and Policy.
Ano: 2003 URL: http://purl.umn.edu/35007
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WILLINGNESS TO PAY FOR WATER QUALITY IMPROVEMENTS: THE CASE OF PRECISION APPLICATION TECHNOLOGY AgEcon
Hite, Diane; Hudson, Darren; Intarapapong, Walaiporn.
A contingent valuation survey conducted in Mississippi is used to assess public willingness to pay for reductions in agricultural nonpoint pollution. The analysis focuses on implementation of a policy to provide farmers with precision application equipment to reduce nutrient runoff. Findings suggest public support exists for such policies. This study also finds that inclusion of debriefing questions can be used to refine willingness-to-pay estimates in contingent valuation studies. A nonparametric scope test suggests respondents are sensitive to level of runoff reduction and associated water-quality benefits.
Tipo: Journal Article Palavras-chave: Environmental Economics and Policy.
Ano: 2002 URL: http://purl.umn.edu/31120
Registros recuperados: 8
Primeira ... 1 ... Última
 

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