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DOI: | 10.2134/jeq1007.0508 |
Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/articles/37/3/915 Last checked: 11/07/2016 Access conditions: Item is within a limited-access website https://dl.sciencesocieties.org/publications/jeq/pdfs/37/3/915 Last checked: 11/08/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Deurer, Markus;
Sivakumaran, Siva;
Ralle, Stefanie;
Vogeler, Iris;
McIvor, Ian;
Clothier, Brent;
Green, Steve;
Bachmann, Jörg |
Author Affiliation: | Deurer, Sivakumaran, Vogeler, McIvor, Clothier and Green: Sustainable Land Use Team, HortResearch Limited, Palmerston North, New Zealand; Ralle and Bachmann: Institute of Soil Science, University of Hannover, Hannover, Germany |
Title: | A new method to quantify the impact of soil carbon management on biophysical soil properties: The example of two orchard systems in New Zealand |
Section: | Vadose zone processes and chemical transport Other records with the "Vadose zone processes and chemical transport" Section
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Source: | Journal of Environmental Quality. Vol. 37, No. 3, May/June 2008, p. 915-924. |
Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
# of Pages: | 10 |
Keywords: | TIC Keywords: Physical properties of soil; Carbon; Carboniferous soils; Soil management; Microbial activity; Soil stability; Topsoil; Biological properties of soil
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Abstract/Contents: | "A new method to diagnose the environmental sustainability of specific orchard management practices was derived and tested. As a significant factor for soil quality, the soil carbon (C) management in the topsoil of the tree-row of an integrated and organic apple orchard was selected and compared. Soil C management was defined as land management practices that maintain or increase soil C. We analyzed the impact of the soil C management on biological (microbial biomass C, basal respiration, dehydrogenase activity, respiratory quotient) and physical (aggregate stability, amount of plant-available water, conductive mean pore diameter near water saturation) soil properties. Soil in the alley acted as a reference for the managed soil in the tree row. The total and hot-waterextractable C amounts served as a combined proxy for the soil C management. The soil C management accounted for 0 to 81% of the degradation or enhancement of biophysical soil properties in the integrated and organic system. In the integrated system, soil C management led to a loss of C in the top 0.3 m of the tree row within 12 yr, causing a decrease in microbial activities. In the tree row of the organic orchard, C loss occurred in the top 0.1 m, and the decrease in microbial activities was small or not significant. Regarding physical soil properties, the C loss in the integrated system led to a decrease of the aggregate stability, whereas it increased in the organic system. Generally, the impact of soil C management was better correlated with soil microbial than with the physical properties. With respect to environmental soil functions that are sensitive to the decrease in microbial activity or aggregate stability, soil C management was sustainable in the organic system but not in the integrated system." |
Language: | English |
References: | 49 |
Note: | Pictures, b/w Figures Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Deurer, M., S. Sivakumaran, S. Ralle, I. Vogeler, I. McIvor, B. Clothier, et al. 2008. A new method to quantify the impact of soil carbon management on biophysical soil properties: The example of two orchard systems in New Zealand. J. Environ. Qual. 37(3):p. 915-924. |
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| DOI: 10.2134/jeq1007.0508 |
| Web URL(s): https://dl.sciencesocieties.org/publications/jeq/articles/37/3/915 Last checked: 11/07/2016 Access conditions: Item is within a limited-access website https://dl.sciencesocieties.org/publications/jeq/pdfs/37/3/915 Last checked: 11/08/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: b2225072a |
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