Full TGIF Record # 72888
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Web URL(s):https://link.springer.com/article/10.1023/A%3A1004818422908
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access webiste
    Notes: Guide page
Publication Type:
i
Refereed
Author(s):Tufekcioglu, A.; Raich, J. W.; Isenhart, T. M.; Schultz, R. C.
Author Affiliation:Tufeckcioglu, Isenhart, and Schultz: Department of Forestry, Iowa State University, Ames, IA; and Raich: Department of Botany, Iowa State University, Ames, IA
Title:Soil respiration within riparian buffers and adjacent crop fields
Source:Plant and Soil. Vol. 229, No. 1, February 2001, p. 117-124.
# of Pages:8
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Keywords:TIC Keywords: Respiration; Riparian zones; Buffer zones; Panicum virgatum; Temperatures; Environmental factors; Cool season turfgrasses; Soil moisture; Respiration rate; Biomass; Organic matter
Abstract/Contents:"We quantified rates of soil respiration among sites within an agricultural landscape in central Iowa, USA. The study was conducted in riparian cool-season grass buffers, in re-established multispecies (switchgrass + poplar) riparian buffers and in adjacent crop (maize and soybean) fields. The objectives were to determine the variability in soil respiration among buffer types and crop fields within a riparian landscape, and to identify those factors correlating with the observed differences. Soil respiration was measured approximately monthly over a two-year period using the soda-lime technique. Mean daily soil respiration across all treatments ranged from 0.14 to 8.3 g C m-2d-1. There were no significant differences between cool-season grass buffers and re-established forest buffers, but respiration rates beneath switchgrass were significantly lower than those beneath cool-season grass. Soil respiration was significantly greater in both buffer systems than in the cropped fields. Seasonal changes in soil respiration were strongly related to temperature changes. Over all sites, soil temperature and soil moisture together accounted for 69% of the seasonal variability in soil respiration. Annual soil respiration rates correlated strongly with soil organic carbon (R= 0.75, P <0.001) and fine root (<2 mm) biomass (R =0.85, P <0.001). Annual soil respiration rates averaged 1140 g C m-2 for poplar, 1185 g C m-2 for cool season grass, 1020 g C m-2 for switchgrass, 750 g C m-2 for soybean and 740 g C m-2 for corn. Overall, vegetated buffers had significantly higher soil respiration rates than did adjacent crop fields, indicating greater soil biological activity within buffers."
Language:English
References:51
Note:Graphs
Tables
See Also:Other items relating to: Buffer Zones
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tufekcioglu, A., J. W. Raich, T. M. Isenhart, and R. C. Schultz. 2001. Soil respiration within riparian buffers and adjacent crop fields. Plant Soil. 229(1):p. 117-124.
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Web URL(s):
https://link.springer.com/article/10.1023/A%3A1004818422908
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access webiste
    Notes: Guide page
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