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Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography

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Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography. / Singh, Navdeep; Kumar, Sandeep; Udawatta, Ranjith P.; Anderson, Stephen H.; de Jonge, Lis W.; Katuwal, Sheela.

I: Soil Science Society of America Journal, Bind 85, Nr. 1, 01.01.2021, s. 73-84.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

Harvard

Singh, N, Kumar, S, Udawatta, RP, Anderson, SH, de Jonge, LW & Katuwal, S 2021, 'Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography', Soil Science Society of America Journal, bind 85, nr. 1, s. 73-84. https://doi.org/10.1002/saj2.20163

APA

Singh, N., Kumar, S., Udawatta, R. P., Anderson, S. H., de Jonge, L. W., & Katuwal, S. (2021). Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography. Soil Science Society of America Journal, 85(1), 73-84. https://doi.org/10.1002/saj2.20163

CBE

Singh N, Kumar S, Udawatta RP, Anderson SH, de Jonge LW, Katuwal S. 2021. Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography. Soil Science Society of America Journal. 85(1):73-84. https://doi.org/10.1002/saj2.20163

MLA

Vancouver

Singh N, Kumar S, Udawatta RP, Anderson SH, de Jonge LW, Katuwal S. Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography. Soil Science Society of America Journal. 2021 jan 1;85(1):73-84. https://doi.org/10.1002/saj2.20163

Author

Singh, Navdeep ; Kumar, Sandeep ; Udawatta, Ranjith P. ; Anderson, Stephen H. ; de Jonge, Lis W. ; Katuwal, Sheela. / Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography. I: Soil Science Society of America Journal. 2021 ; Bind 85, Nr. 1. s. 73-84.

Bibtex

@article{d1829a6fe7b34980ae6eec6e5080fab9,
title = "Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography",
abstract = "Soil porosity estimated conventionally cannot provide the spatial distribution and geometrical properties of pore networks. This on-farm study assessed the impacts of grassland–cropland conversion on soil pore characteristics. This study aimed to quantify the microscale changes in pores near the soil surface (0–10 cm) under grasslands converted to croplands managed with a rotation of corn (Zea mays L.)–soybean [Glycine max (L.) Merr.] (CS); an integrated crop–livestock system (ICLS) of corn–soybean–oats (Avena sativa L.)–cover crops (CCs), with livestock grazing on corn and soybean residue after harvest and on CCs; and the native grassland (NG). Intact soil cores (diameter: 76.2 mm; length: 76.2 mm) were collected in three replications from CS, ICLS, and NG areas located adjacent to each other. Soil cores were scanned via X-ray computed tomography (CT) (pixel resolution: 0.226 by 0.226 mm; slice thickness: 0.5 mm). Soils under CS converted from NG significantly decreased CT-measured macroporosity eightfold. However, it increased sevenfold when CS was converted to ICLS. Higher connected porosity, connection probability, and macroporosity under ICLS and NG enhanced the saturated hydraulic conductivity (Ksat) compared with CS. The soil organic carbon (SOC) stock was increased by 13% at 0- to 10-cm depth, when soils under CS were converted to improved management (ICLS). Significant correlations of CT-measured pore parameters were found with Ksat. We conclude that CS converted from grasslands degraded SOC, pores, and other hydro-physical properties, which can be enhanced by integrating CCs and grazing on CCs and crop residues.",
author = "Navdeep Singh and Sandeep Kumar and Udawatta, {Ranjith P.} and Anderson, {Stephen H.} and {de Jonge}, {Lis W.} and Sheela Katuwal",
note = "Publisher Copyright: {\textcopyright} 2020 The Authors. Soil Science Society of America Journal published by Wiley Periodicals LLC on behalf of Soil Science Society of America Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",
year = "2021",
month = jan,
day = "1",
doi = "10.1002/saj2.20163",
language = "English",
volume = "85",
pages = "73--84",
journal = "Soil Science Society of America Journal",
issn = "0361-5995",
publisher = "Soil Science Society of America",
number = "1",

}

RIS

TY - JOUR

T1 - Grassland conversion to croplands impacted soil pore parameters measured via X-ray computed tomography

AU - Singh, Navdeep

AU - Kumar, Sandeep

AU - Udawatta, Ranjith P.

AU - Anderson, Stephen H.

AU - de Jonge, Lis W.

AU - Katuwal, Sheela

N1 - Publisher Copyright: © 2020 The Authors. Soil Science Society of America Journal published by Wiley Periodicals LLC on behalf of Soil Science Society of America Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/1/1

Y1 - 2021/1/1

N2 - Soil porosity estimated conventionally cannot provide the spatial distribution and geometrical properties of pore networks. This on-farm study assessed the impacts of grassland–cropland conversion on soil pore characteristics. This study aimed to quantify the microscale changes in pores near the soil surface (0–10 cm) under grasslands converted to croplands managed with a rotation of corn (Zea mays L.)–soybean [Glycine max (L.) Merr.] (CS); an integrated crop–livestock system (ICLS) of corn–soybean–oats (Avena sativa L.)–cover crops (CCs), with livestock grazing on corn and soybean residue after harvest and on CCs; and the native grassland (NG). Intact soil cores (diameter: 76.2 mm; length: 76.2 mm) were collected in three replications from CS, ICLS, and NG areas located adjacent to each other. Soil cores were scanned via X-ray computed tomography (CT) (pixel resolution: 0.226 by 0.226 mm; slice thickness: 0.5 mm). Soils under CS converted from NG significantly decreased CT-measured macroporosity eightfold. However, it increased sevenfold when CS was converted to ICLS. Higher connected porosity, connection probability, and macroporosity under ICLS and NG enhanced the saturated hydraulic conductivity (Ksat) compared with CS. The soil organic carbon (SOC) stock was increased by 13% at 0- to 10-cm depth, when soils under CS were converted to improved management (ICLS). Significant correlations of CT-measured pore parameters were found with Ksat. We conclude that CS converted from grasslands degraded SOC, pores, and other hydro-physical properties, which can be enhanced by integrating CCs and grazing on CCs and crop residues.

AB - Soil porosity estimated conventionally cannot provide the spatial distribution and geometrical properties of pore networks. This on-farm study assessed the impacts of grassland–cropland conversion on soil pore characteristics. This study aimed to quantify the microscale changes in pores near the soil surface (0–10 cm) under grasslands converted to croplands managed with a rotation of corn (Zea mays L.)–soybean [Glycine max (L.) Merr.] (CS); an integrated crop–livestock system (ICLS) of corn–soybean–oats (Avena sativa L.)–cover crops (CCs), with livestock grazing on corn and soybean residue after harvest and on CCs; and the native grassland (NG). Intact soil cores (diameter: 76.2 mm; length: 76.2 mm) were collected in three replications from CS, ICLS, and NG areas located adjacent to each other. Soil cores were scanned via X-ray computed tomography (CT) (pixel resolution: 0.226 by 0.226 mm; slice thickness: 0.5 mm). Soils under CS converted from NG significantly decreased CT-measured macroporosity eightfold. However, it increased sevenfold when CS was converted to ICLS. Higher connected porosity, connection probability, and macroporosity under ICLS and NG enhanced the saturated hydraulic conductivity (Ksat) compared with CS. The soil organic carbon (SOC) stock was increased by 13% at 0- to 10-cm depth, when soils under CS were converted to improved management (ICLS). Significant correlations of CT-measured pore parameters were found with Ksat. We conclude that CS converted from grasslands degraded SOC, pores, and other hydro-physical properties, which can be enhanced by integrating CCs and grazing on CCs and crop residues.

UR - http://www.scopus.com/inward/record.url?scp=85097732080&partnerID=8YFLogxK

U2 - 10.1002/saj2.20163

DO - 10.1002/saj2.20163

M3 - Journal article

AN - SCOPUS:85097732080

VL - 85

SP - 73

EP - 84

JO - Soil Science Society of America Journal

JF - Soil Science Society of America Journal

SN - 0361-5995

IS - 1

ER -