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| Web URL(s): | http://www.sciencedirect.com/science/article/pii/0038071775900541
Last checked: 10/08/2015
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http://ac.els-cdn.com/0038071775900541/1-s2.0-0038071775900541-main.pdf?_tid=b06709d6-6dcc-11e5-b5d1-00000aab0f01&acdnat=1444316340_b7d288df5c6c7707e08cfeb2b08bf54a
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| Author(s): | Bremner, J. M.;
Zantua, M. I. |
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| Author Affiliation: | Department of Agronomy, Iowa State University, Ames, Iowa |
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| Title: | Enzyme activity in soils at subzero temperatures |
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| Source: | Soil Biology & Biochemistry. Vol. 7, No. 6, November 1975, p. 383-387. |
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| Publishing Information: | New York, Pergamon Press |
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| Keywords: | TIC Keywords: Soils; Enzymes; Temperatures; Urease; Water
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| Abstract/Contents: | Urease activity, photophatase activity, and sulfatase activity were detected in soils at -10 degrees and -20 degrees C. The occurrence of enzyme activity in soils at subzero temperatures is attributed to enzyme-substrate interaction in unfrozen water at the surfaces of soil particles. Support for this explanation was obtained from experiments showing that hydrolysis of urea by jackbean urease occurs at -10 degree or -20 degree C in the presence, but not in the absence, of clay minerals or autoclaved soils. No enzyme activity could be detected in soils at -30 degree C. |
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| Language: | English |
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| References: | 31 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bremner, J. M., and M. I. Zantua. 1975. Enzyme activity in soils at subzero temperatures. Soil Biol. Biochem. 7(6):p. 383-387. |
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| Web URL(s):
http://www.sciencedirect.com/science/article/pii/0038071775900541
Last checked: 10/08/2015
Access conditions: Item is within a limited-access website
http://ac.els-cdn.com/0038071775900541/1-s2.0-0038071775900541-main.pdf?_tid=b06709d6-6dcc-11e5-b5d1-00000aab0f01&acdnat=1444316340_b7d288df5c6c7707e08cfeb2b08bf54a
Last checked: 10/08/2015
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MSU catalog number: S 590 .S6115 |
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