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Author Yates, S. R.
Source World Health Organization (WHO)-Global Index Medicus
Content type Text
Publisher American Society of Agronomy
File Format HTM / HTML
Language English
Difficulty Level Medium
Subject Domain (in DDC) Social sciences ♦ Social problems & services; associations ♦ Social welfare problems & services ♦ Natural sciences & mathematics ♦ Chemistry & allied sciences ♦ Life sciences; biology ♦ Physiology & related subjects ♦ Biochemistry ♦ Technology ♦ Medicine & health ♦ Human physiology ♦ Personal health & safety ♦ Pharmacology and therapeutics ♦ Diseases ♦ Agriculture & related technologies ♦ Techniques, equipment & materials ♦ Manufacture for specific uses ♦ Precision instruments & other devices
Subject Domain (in MeSH) Chemical Actions and Uses ♦ Chemicals and Drugs ♦ Investigative Techniques ♦ Analytical, Diagnostic and Therapeutic Techniques and Equipment ♦ Physical Phenomena ♦ Biological Sciences ♦ Technology, Industry, and Agriculture ♦ Technology and Food and Beverages ♦ Environment and Public Health ♦ Health Care
Subject Keyword Discipline Environmental Health ♦ Models, Chemical ♦ Pesticides ♦ Chemistry ♦ Soil Pollutants ♦ Agriculture ♦ Fumigation ♦ Time Factors ♦ Volatilization ♦ Journal Article ♦ Research Support, Non-u.s. Gov't
Abstract An analytical solution describing the fate and transport of pesticides applied to soils has been developed. Two pesticide application methods can be simulated: point-source applications, such as idealized shank or a hot-gas injection method, and a more realistic shank-source application method that includes a vertical pesticide distribution in the soil domain due to a soil fracture caused by a shank. The solutions allow determination of the volatilization rate and other information that could be important for understanding fumigant movement and in the development of regulatory permitting conditions. The solutions can be used to characterize differences in emissions relative to changes in the soil degradation rate, surface barrier conditions, application depth, and soil packing. In some cases, simple algebraic expressions are provided that can be used to obtain the total emissions and total soil degradation. The solutions provide a consistent methodology for determining the total emissions and can be used with other information, such as field and laboratory experimental data, to support the development of fumigant regulations. The uses of the models are illustrated by several examples.
Description Country affiliation: United States
Author Affiliation: Yates SR ( USDA-ARS, U.S. Salinity Lab., Riverside, CA 92507, USA. scott.yates@ars.usda.gov)
ISSN 00472425
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Reading ♦ Research ♦ Self Learning
Interactivity Type Expositive
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2009-01-01
Publisher Place United States
e-ISSN 15372537
Journal Journal of Environment Quality
Volume Number 38
Issue Number 1


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Source: WHO-Global Index Medicus