Results 261 to 270 of about 8,714 (293)
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Environmental Monitoring and Assessment, 2007
In this study, soil samples (0-5 cm depth) were taken from ten different roadside fields of intensive traffic regions of Van-Turkey in order to determine the effects of heavy metal pollution on enzymes and microbial activities of soils. Basal soil respiration (BSR), arylsulphatase (ASA), alkaline phosphatase (APA) and urease (UA) enzyme activities, and
Gülser, Füsun, ERDOGAN, Esin
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In this study, soil samples (0-5 cm depth) were taken from ten different roadside fields of intensive traffic regions of Van-Turkey in order to determine the effects of heavy metal pollution on enzymes and microbial activities of soils. Basal soil respiration (BSR), arylsulphatase (ASA), alkaline phosphatase (APA) and urease (UA) enzyme activities, and
Gülser, Füsun, ERDOGAN, Esin
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[Soil basal respiration and enzyme activities in the root-layer soil of tea bushes in a red soil].
Ying yong sheng tai xue bao = The journal of applied ecology, 2003Soil basal respiration potential, metabolic quotient (qCO2), and activities of urease, invertase and acid phosphomonoesterase were investigated in the root-layer of 10-, 40-, and 90-yr-old tea bushes grown on the same type of red soil. The soil daily basal respiration potential ranged from 36.23 to 58.52 mg.kg-1.d-1, and the potentials in the root ...
Shen, Yu +4 more
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Chemosphere, 2023
The application of parathion (PTH) in agriculture can result in its entry into the soil and threaten the soil environment. Monitoring the PTH residues and assessing toxicity on soil health are of paramount importance to the public. Herein, the dissipation of PTH and concomitant influence on microbial activities [FDA hydrolase (FDA‒H), microbial biomass
Tao, Kelin +8 more
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The application of parathion (PTH) in agriculture can result in its entry into the soil and threaten the soil environment. Monitoring the PTH residues and assessing toxicity on soil health are of paramount importance to the public. Herein, the dissipation of PTH and concomitant influence on microbial activities [FDA hydrolase (FDA‒H), microbial biomass
Tao, Kelin +8 more
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Effects of water amendment on basal and substrate-induced respiration rates of mineral soils
Biology and Fertility of Soils, 1989We studied the effects of amending soils with different volumes of water or glucose solution on respiration rates measured as CO2 evolution. Basal respiration was not significantly affected by the volume of water amendment, but substrate-induced respiration in static soil solutions was significantly reduced by increasing water contents.
K. Ritz, R.E. Wheatley
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Soil Research, 2020
Soil respiration contributes significantly to ecosystem respiration and is vital in the context of climate change research. In a season-long experiment we studied total soil respiration (TSR) and its partitioning into root respiration, rhizospheric respiration (RhR) and basal-soil respiration in four contrasting rice production systems: irrigated ...
S. Neogi +5 more
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Soil respiration contributes significantly to ecosystem respiration and is vital in the context of climate change research. In a season-long experiment we studied total soil respiration (TSR) and its partitioning into root respiration, rhizospheric respiration (RhR) and basal-soil respiration in four contrasting rice production systems: irrigated ...
S. Neogi +5 more
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Environmental Monitoring and Assessment, 2019
Legumes are very important both ecologically and agriculturally, as well as economically since soil quality can be improved by the added nitrogen and increased organic matter content they provide. It can be advantageous to apply quantitative methods to indicate soil quality using a dataset of soil characteristics that includes microbial biomass content
Bolat, İlyas, Bolat, İlyas
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Legumes are very important both ecologically and agriculturally, as well as economically since soil quality can be improved by the added nitrogen and increased organic matter content they provide. It can be advantageous to apply quantitative methods to indicate soil quality using a dataset of soil characteristics that includes microbial biomass content
Bolat, İlyas, Bolat, İlyas
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Eurasian Soil Science, 2020
Basal respiration is one of the key indicators of soil C mineralization. Temperature sensitivity (Q10) of basal respiration is important for predicting changes in C mineralization due to warming. A modified methodology of Q10 determination is proposed. Soil samples were incubated at 25°C with periodic short-term (2 h) decline of temperature to 15°C and
M. S. Gromova +4 more
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Basal respiration is one of the key indicators of soil C mineralization. Temperature sensitivity (Q10) of basal respiration is important for predicting changes in C mineralization due to warming. A modified methodology of Q10 determination is proposed. Soil samples were incubated at 25°C with periodic short-term (2 h) decline of temperature to 15°C and
M. S. Gromova +4 more
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Science of The Total Environment, 2006
This study investigates the effects of Pb during time on the bacterial communities of forest soils using water-extractable Pb concentrations in the soil solution as predictors of Pb bioavailability. In a microcosm experiment we applied increasing concentrations of Pb(NO(3))(2) solutions (0.5, 2, 8, 32 mM) to 5 forest soils of pH6.5.
Lazzaro A, Schulin R, Widmer F, Frey B
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This study investigates the effects of Pb during time on the bacterial communities of forest soils using water-extractable Pb concentrations in the soil solution as predictors of Pb bioavailability. In a microcosm experiment we applied increasing concentrations of Pb(NO(3))(2) solutions (0.5, 2, 8, 32 mM) to 5 forest soils of pH6.5.
Lazzaro A, Schulin R, Widmer F, Frey B
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Soil Biology and Biochemistry, 2001
Abstract Highly altered rock fragments (dimension limits between 2 and 10 mm) from two sandstone-derived soils, Cavalla and Buca, of the Vallombrosa Forest, Italy, are porous and manifest chemical properties similar to those of fine earth.
A. AGNELLI +3 more
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Abstract Highly altered rock fragments (dimension limits between 2 and 10 mm) from two sandstone-derived soils, Cavalla and Buca, of the Vallombrosa Forest, Italy, are porous and manifest chemical properties similar to those of fine earth.
A. AGNELLI +3 more
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