Výsledky vyhledávání - "W. D. Reynolds"

Impacts of 48 years of consistent cropping, fertilization and land management on the physical quality of a clay loam soil

Autor: Xueming Yang, Jingyi Yang, W. D. Reynolds, Craig F. Drury, C. S. Tan

Publikováno v: Canadian Journal of Soil Science. 94:403-419

Reynolds, W. D., Drury, C. F., Yang, X. M., Tan, C. S. and Yang, J. Y. 2014. Impacts of 48 years of consistent cropping, fertilization and land management on the physical quality of a clay loam soil. Can. J. Soil Sci. 94: 403–419. Soil physical qua

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0eda25ccd91d9229e6864d718ac3311d
https://doi.org/10.4141/cjss2013-097

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How do changes in bulk soil organic carbon content affect carbon concentrations in individual soil particle fractions?

Autor: W. D. Reynolds, X. M. Yang, J.Y. Yang, Craig F. Drury

Publikováno v: Scientific Reports

We test the common assumption that organic carbon (OC) storage occurs on sand-sized soil particles only after the OC storage capacity on silt- and clay-sized particles is saturated. Soil samples from a Brookston clay loam in Southwestern Ontario were

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Determination of organic carbon and nitrogen in particulate organic matter and particle size fractions of Brookston clay loam soil using infrared spectroscopy

Autor: Xudong Zhang, Hongtu Xie, Xueming Yang, J.Y. Yang, W. D. Reynolds, C. F. Drury

Publikováno v: European Journal of Soil Science. 63:177-188

The objective of this study was to determine whether models developed from infrared spectroscopy could be used to estimate organic carbon (C) content, total nitrogen (N) content and the C:N ratio in the particulate organic matter (POM) and particle s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2cf0f026c933bddbd519466949b9f534
https://doi.org/10.1111/j.1365-2389.2011.01421.x

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Measuring Soil Hydraulic Properties Using a Cased Borehole Permeameter: Falling-Head Analysis

Autor: W. D. Reynolds

Publikováno v: Vadose Zone Journal. 10:999-1015

The falling-head cased borehole analysis of Philip for determining the field-saturated hydraulic conductivity ( K fs ) and sorptive number (α*) in the vadose zone was extended and assessed. The extension allows several water discharge configurations

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0851e0d975444c06d3d611cc265da6e
https://doi.org/10.2136/vzj2010.0145

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Mineralization of active soil organic carbon in particle size fractions of a Brookston clay soil under no-tillage and mouldboard plough tillage

Autor: W. D. Reynolds, C. F. Drury, L. P. Zhao, Z. D. Zhang, X. M. Yang

Publikováno v: Canadian Journal of Soil Science. 90:551-557

Soil organic matter is a heterogeneous mixture of organic substances with different compositions and stabilities. To enhance soil organic carbon (SOC) sequestration, it is helpful to understand the distribution of SOC among the soil particle size fra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7fcdc1950553509b6708e2512db45ec8
https://doi.org/10.4141/cjss09081

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Use of sonication to determine the size distributions of soil particles and organic matter

Autor: W D Reynolds, X. M. Yang, C F Drury, D C MacTavish

Publikováno v: Canadian Journal of Soil Science. 89:413-419

Applying ultrasound energy to soil-water suspensions (sonication) is an established method of determining the size distributions of soil primary mineral particles and associated organic matter. The size distributions may vary, however, with sonicatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb3b96aaff70c4ed51fa5165eb54c5f4
https://doi.org/10.4141/cjss08063

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Alternative Unsaturated Flow Analyses for the Falling-Head Ring Infiltrometer

Autor: W. D. Reynolds

Publikováno v: Vadose Zone Journal. 7:131-135

The Green–Ampt expression for determining field-saturated hydraulic conductivity ( K fs ) and matric flux potential (ϕ m ) from falling-head ring infiltrometer measurements produces a singularity when the standpipe cross-section divided by the rin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::05e1bb572af2c320a202bde63012d8c7
https://doi.org/10.2136/vzj2007.0045

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