Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities. / Liu, Shibin; Pu, Shengyan; Deng, Daili; Huang, Hongyan; Yan, Chun; Ma, Hui; Razavi, Bahar S.

In: Environment International, Vol. 134, 105277, 01.2020, p. 1-11.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Liu, S, Pu, S, Deng, D, Huang, H, Yan, C, Ma, H & Razavi, BS 2020, 'Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities', Environment International, vol. 134, 105277, pp. 1-11. https://doi.org/10.1016/j.envint.2019.105277

APA

Liu, S., Pu, S., Deng, D., Huang, H., Yan, C., Ma, H., & Razavi, B. S. (2020). Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities. Environment International, 134, 1-11. [105277]. https://doi.org/10.1016/j.envint.2019.105277

Vancouver

Liu S, Pu S, Deng D, Huang H, Yan C, Ma H et al. Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities. Environment International. 2020 Jan;134:1-11. 105277. https://doi.org/10.1016/j.envint.2019.105277

Author

Liu, Shibin ; Pu, Shengyan ; Deng, Daili ; Huang, Hongyan ; Yan, Chun ; Ma, Hui ; Razavi, Bahar S. / Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities. In: Environment International. 2020 ; Vol. 134. pp. 1-11.

Bibtex

@article{db6e29c8d87740d98e624d35c0344000,
title = "Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities",
abstract = "Chromium (Cr) contamination is especially hazardous to soil biota. Application of manure and biochar has been frequently proposed to remediate Cr-contaminated soil. However, the understanding of mechanisms behind manure and biochar impacts on soil enzyme activities requires advanced visualization technologies. For the first time, we compared manure and its biochar influence on the spatial distribution of β-glucosidase, N-acetyl-glucosaminidase and phosphomonoesterase activities in Cr-contaminated soil using direct zymography. Maize was planted for 45 days in (a) soil mixed with manure, (b) soil mixed with manure-derived biochar and (c) soil without any addition. Soil pH decreased over 45 days, inducing an increase in acid soluble Cr. The concomitant decrease in β-glucosidase and N-acetyl-glucosaminidase activities explained the narrowing rhizosphere extent of enzyme activities by 13–44%, indicating that increased Cr bioavailability decreases microbial activities. A larger maize performance index and the greatest plant shoot/root ratio after biochar application suggested enhanced maize growth (p < 0.05). In contrast, manure induced the narrowest extent of β-glucosidase and phosphomonoesterase activities due to the addition of labile organic compounds and nutrients following its application. Our study emphasizes the importance of pH on Cr bioavailability and enzyme activities and demonstrates that biochar application is more ideally suited for remediating Cr-contaminated soil.",
keywords = "Biochar, Enzyme activities, Heavy metal, Manure, Rhizosphere, Soil contamination, Soil zymography",
author = "Shibin Liu and Shengyan Pu and Daili Deng and Hongyan Huang and Chun Yan and Hui Ma and Razavi, {Bahar S.}",
year = "2020",
month = jan,
doi = "10.1016/j.envint.2019.105277",
language = "English",
volume = "134",
pages = "1--11",
journal = "Environment international",
issn = "0160-4120",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Comparable effects of manure and its biochar on reducing soil Cr bioavailability and narrowing the rhizosphere extent of enzyme activities

AU - Liu, Shibin

AU - Pu, Shengyan

AU - Deng, Daili

AU - Huang, Hongyan

AU - Yan, Chun

AU - Ma, Hui

AU - Razavi, Bahar S.

PY - 2020/1

Y1 - 2020/1

N2 - Chromium (Cr) contamination is especially hazardous to soil biota. Application of manure and biochar has been frequently proposed to remediate Cr-contaminated soil. However, the understanding of mechanisms behind manure and biochar impacts on soil enzyme activities requires advanced visualization technologies. For the first time, we compared manure and its biochar influence on the spatial distribution of β-glucosidase, N-acetyl-glucosaminidase and phosphomonoesterase activities in Cr-contaminated soil using direct zymography. Maize was planted for 45 days in (a) soil mixed with manure, (b) soil mixed with manure-derived biochar and (c) soil without any addition. Soil pH decreased over 45 days, inducing an increase in acid soluble Cr. The concomitant decrease in β-glucosidase and N-acetyl-glucosaminidase activities explained the narrowing rhizosphere extent of enzyme activities by 13–44%, indicating that increased Cr bioavailability decreases microbial activities. A larger maize performance index and the greatest plant shoot/root ratio after biochar application suggested enhanced maize growth (p < 0.05). In contrast, manure induced the narrowest extent of β-glucosidase and phosphomonoesterase activities due to the addition of labile organic compounds and nutrients following its application. Our study emphasizes the importance of pH on Cr bioavailability and enzyme activities and demonstrates that biochar application is more ideally suited for remediating Cr-contaminated soil.

AB - Chromium (Cr) contamination is especially hazardous to soil biota. Application of manure and biochar has been frequently proposed to remediate Cr-contaminated soil. However, the understanding of mechanisms behind manure and biochar impacts on soil enzyme activities requires advanced visualization technologies. For the first time, we compared manure and its biochar influence on the spatial distribution of β-glucosidase, N-acetyl-glucosaminidase and phosphomonoesterase activities in Cr-contaminated soil using direct zymography. Maize was planted for 45 days in (a) soil mixed with manure, (b) soil mixed with manure-derived biochar and (c) soil without any addition. Soil pH decreased over 45 days, inducing an increase in acid soluble Cr. The concomitant decrease in β-glucosidase and N-acetyl-glucosaminidase activities explained the narrowing rhizosphere extent of enzyme activities by 13–44%, indicating that increased Cr bioavailability decreases microbial activities. A larger maize performance index and the greatest plant shoot/root ratio after biochar application suggested enhanced maize growth (p < 0.05). In contrast, manure induced the narrowest extent of β-glucosidase and phosphomonoesterase activities due to the addition of labile organic compounds and nutrients following its application. Our study emphasizes the importance of pH on Cr bioavailability and enzyme activities and demonstrates that biochar application is more ideally suited for remediating Cr-contaminated soil.

KW - Biochar

KW - Enzyme activities

KW - Heavy metal

KW - Manure

KW - Rhizosphere

KW - Soil contamination

KW - Soil zymography

U2 - 10.1016/j.envint.2019.105277

DO - 10.1016/j.envint.2019.105277

M3 - Journal article

C2 - 31726366

AN - SCOPUS:85074790990

VL - 134

SP - 1

EP - 11

JO - Environment international

JF - Environment international

SN - 0160-4120

M1 - 105277

ER -

ID: 234142399