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| DOI: | 10.1081/CSS-120029733 |
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| Web URL(s): | http://www.informaworld.com/smpp/ftinterface~content=a713624805~fulltext=713240930
Last checked: 07/10/2006
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http://www.informaworld.com/smpp/ftinterface~content=a713624805~fulltext=713240928
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| Publication Type:
| Report |
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| Author(s): | Li, Yuzhong;
Herbert, Stephen J. |
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| Author Affiliation: | Li: Agrometeorology Institute, Chinese Academy of Agricultural Sciences, Beijing, People's Republic of China; and Herbert: Department of Plant and Soil Sciences, University of Massachusetts, Amherst, Massachusetts |
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| Title: | Influence of prescribed burning on nitrogen mineralization and nitrification in grassland |
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| Source: | Communications in Soil Science and Plant Analysis. Vol. 35, No. 3/4, February 2004, p. 571-581. |
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| # of Pages: | 11 |
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| Publishing Information: | New York, NY: Marcel Dekker |
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| Keywords: | TIC Keywords: Prescribed burning; Nitrogen; Nitrogen mineralization; Nitrification; Grasslands; Microorganisms; Nitrates
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| Abstract/Contents: | "The seasonal dynamics of gross nitrogen (N) mineralization, nitrification, and mineral nitrogen consumption rates were studied with the 15N pool dilute technique in burned and unburned Leymus chinensis (Trin.) Tzvel. (Chinese Wildryegrass) grasslands. Gross N mineralization is the gross rate of the process of the conversion of organic N to the NH4+ form during decomposition before N immobilization by microbes. Similarly, gross nitrification is the gross rate of the conversion of NH4+ and organic N to NO3- before N immobilization by microbes, and consumption is sum of mineral N losses by biological or nonbiological processes. Results indicated that gross mineralization and nitrification rates, NH4+ and NO3- consumption rates, and soil concentrations of NH4+ were higher in burned grassland areas than in unburned areas in April and May and that all were lower or similar compared to unburned areas in September. The soil concentrations of NO3- indicated no difference between burned and unburned areas in April and May, but burned areas had higher NO3- in July and September. Results indicate that prescribed burning in spring could benefit the renewal of grasslands of northeast China through mobilization of soil N pools." |
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| Language: | English |
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| References: | 31 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Li, Y., and S. J. Herbert. 2004. Influence of prescribed burning on nitrogen mineralization and nitrification in grassland. Commun. Soil. Sci. Plant Anal. 35(3/4):p. 571-581. |
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| DOI: 10.1081/CSS-120029733 |
| Web URL(s):
http://www.informaworld.com/smpp/ftinterface~content=a713624805~fulltext=713240930
Last checked: 07/10/2006
Requires: PDF Reader
Access conditions: Item is within a limited-access website
Notes: PDF Version
http://www.informaworld.com/smpp/ftinterface~content=a713624805~fulltext=713240928
Last checked: 07/10/2006
Access conditions: Item is within a limited-access website
Notes: HTML Version |
| 
MSU catalog number: S 590 .C54 |
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