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| DOI: | 10.1002/ps.400 |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1002/ps.400/full
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| Publication Type:
| Refereed |
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| Author(s): | Dungan, Robert S.;
Gan, Jianying;
Yates, Scott R. |
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| Author Affiliation: | USDA-ARS, Soil Physics and Pesticides Research Unit, George E Brown Jr Salinity Laboratory, Riverside, California |
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| Title: | Effect of temperature, organic amendment rate and moisture content on the degradation of 1,3-dichloropropene in soil |
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| Section: | Papers
Other records with the "Papers" Section
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| Source: | Pest Management Science. Vol. 57, No. 12, December 2001, p. 1107-1113. |
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| Publishing Information: | London : for the Society of Chemical Industry by John Wiley & Sons |
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| # of Pages: | 7 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1002/ps.400/abstract
Last checked: 03/14/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Temperatures; Organic amendments; Soil moisture; Pesticide degradation; 1,3-D; Methyl bromide; Biodegradation; Fumigants; Soil amendments; Animal manures; Sewage sludge; Yard waste
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| Abstract/Contents: | "1,3-Dichloropropene (1,3-D), which consists of two isomers, (Z)- and (E)-1,3-D, is considered to be a viable alternative to methyl bromide, but atmospheric emission of 1,3-D is often associated with deterioration of air quality. To minimize environmental impacts of 1,3-D, emission control strategies are in need of investigation. One approach to reduce 1,3-D emissions is to accelerate its degradation by incorporating organic amendments into the soil surface. In this study, we investigated the ability of four organic amendments to enhance the rate of degradation of (Z)- and (E)-1,3-D in a sandy loam soil. Degradation of (Z)- and (E)-1,3-D was well described by first-order kinetics, and rates of degradation for the two isomers were similar. Composted steer manure (SM) was the most reactive of the organic amendments tested. The half-life of both the (Z)- and (E)-isomers in unamended soil at 20°C was 6.3 days; those in 5% SM-amended soil were 1.8 and 1.9 days, respectively. At 40°C, the half-life of both isomers in 5% SM-amended soil was 0.5 day. Activation energy values for amended soil at 2, 5 and 10% SM were 56.5, 53.4 and 64.5kJ mol-1, respectively. At 20°C, the contribution of degradation from biological mechanisms was largest in soil amended with SM, but chemical mechanisms still accounted for more than 58% of the (Z)- and (E)-1,3-D degradation. The effect of temperature and amendment rate upon degradation should be considered when describing the fate and transport of 1,3-D isomers in soil. Use of organic soil amendments appears to be a promising method to enhance fumigant degradation and reduce volatile emissions." |
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| Language: | English |
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| References: | 33 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dungan, R. S., J. Gan, and S. R. Yates. 2001. Effect of temperature, organic amendment rate and moisture content on the degradation of 1,3-dichloropropene in soil. Pest Manage. Sci. 57(12):p. 1107-1113. |
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| DOI: 10.1002/ps.400 |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1002/ps.400/full
Last checked: 03/14/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1002/ps.400/pdf
Last checked: 03/14/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/enhanced/doi/10.1002/ps.400
Last checked: 03/14/2014
Access conditions: Item is within a limited-access website
Notes: Enhanced HTML version |
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MSU catalog number: SB 951 .A1 P45 |
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