Results 241 to 250 of about 1,757,263 (292)
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Controls on soil respiration in semiarid soils
Soil Biology and Biochemistry, 2004Soil respiration in semiarid ecosystems responds positively to temperature, but temperature is just one of many factors controlling soil respiration. Soil moisture can have an overriding influence, particularly during the dry/warm portions of the year.
Richard Conant
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Relationships between soil respiration and soil moisture
Soil Biology and Biochemistry, 1983The interaction of soil microbes with their physical environment affects their abilities to respire, grow and divide. One of these environmental factors is the amount of moisture in the soil. The work we published almost 25 years ago showed that microbial respiration was linearly related to soil-water content and log-linearly related to water potential.
Cook, Freeman J., Orchard, Valerie A.
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Soil Biology and Biochemistry, 1998
Abstract We hypothesized that respiration measurements made using both the basal and excised-root respiration methods would allow us to quantify three important components of soil respiration: root respiration ( R root ), microbial respiration in the rhizosphere ( R rhizo ), and root-free soil respiration ( R rfs ).
Daniel L Kelting +2 more
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Abstract We hypothesized that respiration measurements made using both the basal and excised-root respiration methods would allow us to quantify three important components of soil respiration: root respiration ( R root ), microbial respiration in the rhizosphere ( R rhizo ), and root-free soil respiration ( R rfs ).
Daniel L Kelting +2 more
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The influence of metam sodium on soil respiration
Journal of Environmental Science and Health, Part B, 2000A laboratory experiment was performed in order to evaluate the extent to which metam sodium (MS) applied at two different recommended rates and its degradation product, methyl isothiocyanate (MITC), affect soil respiration. Results suggest that MS degradation to MITC was complete within 4 hours and that MITC decomposed quickly in a few days, except in ...
Riffaldi R. +3 more
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Soil Respiration as an Index of Soil Aeration
Soil Science Society of America Journal, 1990Abstract The accurate determination of available soil O 2 is problematic due to the dynamic interaction of physical and biological soil properties. This study was conducted to evaluate combined effects of soil bulk density, water content, and organic and inorganic amendments
J. W. Neilson, I. L. Pepper
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Effects of triclosan on soil microbial respiration
Environmental Toxicology and Chemistry, 2011Abstract The antimicrobial substance triclosan has widespread use in personal care products and can enter the terrestrial environment if sewage sludge is applied to soil. The inhibitory effects of triclosan on basal and substrate-induced respiration (SIR) of three different soils were investigated. Soils were dosed and later redosed with
Emma, Butler +4 more
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Predicting soil respiration from peatlands
Science of The Total Environment, 2013This study considers the relative performance of six different models to predict soil respiration from upland peat. Predicting soil respiration is important for global carbon budgets and gap filling measured data from eddy covariance and closed chamber measurements.
J G, Rowson +3 more
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2019
Soils hold more carbon (C) than any other component of the terrestrial biosphere!
Nave, L., Bader, N, Klug, Jen
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Soils hold more carbon (C) than any other component of the terrestrial biosphere!
Nave, L., Bader, N, Klug, Jen
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The isotopic composition of soil and soil-respired CO2
Geoderma, 1998Abstract The isotopic composition of soil CO 2 has been investigated for the past three decades by earth scientists in a variety of disciplines. Carbon dioxide is produced in soil through biological processes (organic matter decomposition and root respiration) and is transported to the overlying atmosphere via molecular diffusion.
Ronald Amundson +3 more
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Soil respiration in a tropical grassland
Soil Biology and Biochemistry, 1981Abstract Soil respiration throughout an annual cycle was measured at three different stands in a tropical grassland situated at Kurukshetra at 29°58' N lat. and 76°51' E long. Rates of CO2 evolution were measured by alkali absorption using 13 cm dia × 23 cm aluminium cylinders inserted 10 cm into the ground.
S.R. Gupta, J.S. Singh
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