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| Web URL(s): | http://www.jstor.org/stable/4043774
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http://www.jstor.org/stable/pdfplus/4043774.pdf
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| Publication Type:
| Refereed |
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| Author(s): | Obrigawitch, Tim;
Wilson, Robert G.;
Martin, Alex R.;
Roeth, Fred W. |
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| Author Affiliation: | Obrigawitch: Grad. Res. Asst.; Martin: Prof., Dep. Agron., Univ. of Nebraska, Lincoln; Wilson: Assoc. Prof., Dep. Agron., Univ. of Nebraska, Scottsbluff; Roeth: Assoc. Prof., Dep. Agron., Univ. of Nebraska, Clay Center, NE |
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| Title: | The influence of temperature, moisture, and prior EPTC application on the degradation of EPTC in soils |
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| Source: | Weed Science. Vol. 30, No. 2, March 1982, p. 175-181. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 7 |
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| Related Web URL: | http://www.jstor.org/stable/info/4043774#abstract
Last checked: 05/14/2013
Notes: Abstract only |
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| Keywords: | TIC Keywords: Temperatures; Moisture; EPTC; Herbicides; Soils; Soil moisture
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| Abstract/Contents: | "Laboratory and field studies were conducted to compare the degradation rate of EPTC (S-ethyl dipropylthiocarbamate) in soils with a previous history of EPTC application vs. soils with no prior EPTC application. Laboratory experiments showed a rapid breakdown of 14C-carbonyl EPTC to 14 CO2 in Kennebec silt loam (sil) and Tripp very fine sandly loam (vfsl) with prior exposure to EPTC. A single prior application of EPTC to Tripp vfsl was sufficient to increase the rate of 14CO2 evolution. The rate of EPTC degradation in Tripp vfsl with a history of EPTC exposure was dependent on soil moisture from below 3% and independent of moisture above 3%. Patterns of degradation at 5, 15, and 25C in the Kennebec sil with and without prior history were described by exponential decay. EPTC was degraded more rapidly at 15 and 25C in the Kennebec si with a prior EPTC history. Under field conditions the breakdown of EPTC in a Kennebec sil with and without prior exposure to EPTC was similar to laboratory results." |
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| Language: | English |
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| References: | 21 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Obrigawitch, T., R. G. Wilson, A. R. Martin, and F. W. Roeth. 1982. The influence of temperature, moisture, and prior EPTC application on the degradation of EPTC in soils. Weed Sci. 30(2):p. 175-181. |
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| Web URL(s):
http://www.jstor.org/stable/4043774
Last checked: 05/14/2013
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/4043774.pdf
Last checked: 05/14/2013
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 610 .W38 |
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