Clay-to-carbon ratio controls the effect of herbicide application on soil bacterial richness and diversity in a loamy field

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Clay-to-carbon ratio controls the effect of herbicide application on soil bacterial richness and diversity in a loamy field. / Herath, H M Lasantha I; Møldrup, Per; de Jonge, Lis Wollesen; Nicolaisen, Mogens; Norgaard, Trine; Paradelo, Marcos.

In: Water, Air and Soil Pollution, No. 228, 3, 2017.

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@article{2712f4e1b4354fa0ac4519653d33e778,
title = "Clay-to-carbon ratio controls the effect of herbicide application on soil bacterial richness and diversity in a loamy field",
abstract = "Soil texture and soil organic carbon (OC) influencethe bacterial microenvironment and also controlherbicide sorption. A field-scale exploratory study wasconducted to investigate the potential interaction betweensoil texture parameters, herbicides, and soil bacterialrichness and diversity. Glyphosate and bentazon wereused to evaluate the herbicidal effect on bacterial communityunder different conditions created by clay and OCgradients in a loamy field. Metabarcoding by highthroughputsequencing of bacterial rDNA was used toestimate bacterial richness and diversity using OTUs,abundance-based coverage (ACE), Shannon diversityindex, and phylogenetic diversity. In general, bacterialrichness and diversity increased after bentazon applicationand decreased after glyphosate application. Therewas no significant effect for field locations with Dextern (the ratio between clay and OC) values below 4.04 (themedian of the values in the field study). The correlationcoefficient (r) between bacterial richness and clay decreasedafter bentazon application, but increased afterglyphosate application. Correlations between Dexter nand bacterial indices followed the same pattern, decreasingafter bentazon application and increasing after glyphosateapplication. This indicated that the specific chemicalnature of individual herbicides affected bacterial communities.This study reinforced the importance of includingsoil physical and chemical characteristics to explainthe influence of pesticides on the variation in soil bacterialcommunities in agroecosystems.",
author = "Herath, {H M Lasantha I} and Per M{\o}ldrup and {de Jonge}, {Lis Wollesen} and Mogens Nicolaisen and Trine Norgaard and Marcos Paradelo",
year = "2017",
doi = "10.1007/s11270-016-3175-6",
language = "English",
journal = "Water, Air and Soil Pollution",
issn = "0049-6979",
publisher = "Springer Netherlands",
number = "228",

}

RIS

TY - JOUR

T1 - Clay-to-carbon ratio controls the effect of herbicide application on soil bacterial richness and diversity in a loamy field

AU - Herath, H M Lasantha I

AU - Møldrup, Per

AU - de Jonge, Lis Wollesen

AU - Nicolaisen, Mogens

AU - Norgaard, Trine

AU - Paradelo, Marcos

PY - 2017

Y1 - 2017

N2 - Soil texture and soil organic carbon (OC) influencethe bacterial microenvironment and also controlherbicide sorption. A field-scale exploratory study wasconducted to investigate the potential interaction betweensoil texture parameters, herbicides, and soil bacterialrichness and diversity. Glyphosate and bentazon wereused to evaluate the herbicidal effect on bacterial communityunder different conditions created by clay and OCgradients in a loamy field. Metabarcoding by highthroughputsequencing of bacterial rDNA was used toestimate bacterial richness and diversity using OTUs,abundance-based coverage (ACE), Shannon diversityindex, and phylogenetic diversity. In general, bacterialrichness and diversity increased after bentazon applicationand decreased after glyphosate application. Therewas no significant effect for field locations with Dextern (the ratio between clay and OC) values below 4.04 (themedian of the values in the field study). The correlationcoefficient (r) between bacterial richness and clay decreasedafter bentazon application, but increased afterglyphosate application. Correlations between Dexter nand bacterial indices followed the same pattern, decreasingafter bentazon application and increasing after glyphosateapplication. This indicated that the specific chemicalnature of individual herbicides affected bacterial communities.This study reinforced the importance of includingsoil physical and chemical characteristics to explainthe influence of pesticides on the variation in soil bacterialcommunities in agroecosystems.

AB - Soil texture and soil organic carbon (OC) influencethe bacterial microenvironment and also controlherbicide sorption. A field-scale exploratory study wasconducted to investigate the potential interaction betweensoil texture parameters, herbicides, and soil bacterialrichness and diversity. Glyphosate and bentazon wereused to evaluate the herbicidal effect on bacterial communityunder different conditions created by clay and OCgradients in a loamy field. Metabarcoding by highthroughputsequencing of bacterial rDNA was used toestimate bacterial richness and diversity using OTUs,abundance-based coverage (ACE), Shannon diversityindex, and phylogenetic diversity. In general, bacterialrichness and diversity increased after bentazon applicationand decreased after glyphosate application. Therewas no significant effect for field locations with Dextern (the ratio between clay and OC) values below 4.04 (themedian of the values in the field study). The correlationcoefficient (r) between bacterial richness and clay decreasedafter bentazon application, but increased afterglyphosate application. Correlations between Dexter nand bacterial indices followed the same pattern, decreasingafter bentazon application and increasing after glyphosateapplication. This indicated that the specific chemicalnature of individual herbicides affected bacterial communities.This study reinforced the importance of includingsoil physical and chemical characteristics to explainthe influence of pesticides on the variation in soil bacterialcommunities in agroecosystems.

U2 - 10.1007/s11270-016-3175-6

DO - 10.1007/s11270-016-3175-6

M3 - Journal article

JO - Water, Air and Soil Pollution

JF - Water, Air and Soil Pollution

SN - 0049-6979

IS - 228

M1 - 3

ER -