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| Author Affiliation: | Agricultural Research and Education Center, University of Florida, Belle Glade, Florida 33430, USA |
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| Title: | Variation in microbial activity in histosols and its relationship to soil moisture |
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| Source: | Applied and Environmental Microbiology. Vol. 40, No. 2, 1980, p. 313-317. |
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| Publishing Information: | Washington, D.C.: American Society for Microbiology |
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| Keywords: | TIC Keywords: Microorganisms; Soil water content; Soil types; Organic soils; Histosols
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| Abstract/Contents: | Dehydrogenase activity in Pahokee muck in the Florida Everglades was two- to sevenfold greater in soil cropped to St. Augustinegrass (Stenotaphrym secundatum) than in uncropped soil, and microbial biomass ranged from equivalence in the two soils to a threefold stimulation in the cropped soil. Biomass in soil cropped to sugarcane approximated that from the grass field, whereas dehydrogenase activities of the cane soil were nearly equivalent to those of the fallow soil. Microbial biomass, dehydrogenase activity, aerobic bacterial populations and salicylate oxidation rates were all correlated with soil moisture levels. The data indicate that within the moisture ranges detected in the surface soils, increased moisture stimulated microbial activity, whereas further down the soil profile, where moisture ranges reached saturation, increased moisture inhibited aerobic activities and stimulated anaerobic processes. |
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| Language: | English |
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| References: | 11 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
1980. Variation in microbial activity in histosols and its relationship to soil moisture. Appl. Environ. Microbiol. 40(2):p. 313-317. |
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