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United States Department of Agriculture

Agricultural Research Service

Research Project: Alternatives to MEBR for California Cropping Systems Title: Model assessment of fumigant emissions

Authors
item Wang, Dong
item Yates, Scott

Submitted to: American Chemical Society Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: April 1, 2009
Publication Date: August 16, 2009
Citation: Wang, D. and S.R. Yates. 2009 Model Assessment of Fumigant Emissions. In: Abstracts of 238th American chemical Society (ACS) National Meeting and Exposition, Washington, D.C.. August 16-20, 2009.

Technical Abstract: Simulation models are useful for estimating the environmental fate and transport of pesticides. Soil fumigants such as methyl bromide are a special group of pesticides with high vapor pressure values. A main concern with fumigants is the large potential for atmospheric emissions. Because of the large emissions and ozone depleting property with bromine, methyl bromide was phased out for soil fumigation use. As a result, a significant amount of research has been carried out on the efficacy and environmental fate and transport of methyl bromide alternatives. This presentation will review modeling activities related to soil fumigant emissions with a special focus on simulating fumigant emission fluxes. A general overview of fundamental physical and chemical principles for modeling the environmental fate and transport of soil fumigants will be provided. Discussions will be made on future needs in modeling fumigant emissions.

Last Modified: 10/25/2014
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