Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching

Abstract Co-application of biochar and biosolids to soil has potential to mitigate N leaching due to physical and chemical properties of biochar. Changes in N cycling pathways in soil induced by co-application of biological amendments could further mitigate N loss, but this is largely unexplored. Th...

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Autores principales:	Sanjutha Shanmugam, Sasha N. Jenkins, Bede S. Mickan, Noraini Md Jaafar, Falko Mathes, Zakaria M. Solaiman, Lynette K. Abbott
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c51941fca6a0413895cf52e05cd6c195
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spelling	oai:doaj.org-article:c51941fca6a0413895cf52e05cd6c1952021-12-02T15:23:07ZCo-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching10.1038/s41598-020-78843-92045-2322https://doaj.org/article/c51941fca6a0413895cf52e05cd6c1952021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78843-9https://doaj.org/toc/2045-2322Abstract Co-application of biochar and biosolids to soil has potential to mitigate N leaching due to physical and chemical properties of biochar. Changes in N cycling pathways in soil induced by co-application of biological amendments could further mitigate N loss, but this is largely unexplored. The aim of this study was to determine whether co-application of a biochar and a modified biosolids product to three pasture soils differing in texture could alter the relative abundance of N cycling genes in soil sown with subterranean clover. The biosolids product contained lime and clay and increased subterranean clover shoot biomass in parallel with increases in soil pH and soil nitrate. Its co-application with biochar similarly increased plant growth and soil pH with a marked reduction in nitrate in two coarse textured soils but not in a clayey soil. While application of the biosolids product altered in silico predicted N cycling functional genes, there was no additional change when applied to soil in combination with biochar. This supports the conclusion that co-application of the biochar and biosolids product used here has potential to mitigate loss of N in coarse textured soils due to N adsoption by the biochar and independently of microbial N pathways.Sanjutha ShanmugamSasha N. JenkinsBede S. MickanNoraini Md JaafarFalko MathesZakaria M. SolaimanLynette K. AbbottNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sanjutha Shanmugam Sasha N. Jenkins Bede S. Mickan Noraini Md Jaafar Falko Mathes Zakaria M. Solaiman Lynette K. Abbott Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching
description	Abstract Co-application of biochar and biosolids to soil has potential to mitigate N leaching due to physical and chemical properties of biochar. Changes in N cycling pathways in soil induced by co-application of biological amendments could further mitigate N loss, but this is largely unexplored. The aim of this study was to determine whether co-application of a biochar and a modified biosolids product to three pasture soils differing in texture could alter the relative abundance of N cycling genes in soil sown with subterranean clover. The biosolids product contained lime and clay and increased subterranean clover shoot biomass in parallel with increases in soil pH and soil nitrate. Its co-application with biochar similarly increased plant growth and soil pH with a marked reduction in nitrate in two coarse textured soils but not in a clayey soil. While application of the biosolids product altered in silico predicted N cycling functional genes, there was no additional change when applied to soil in combination with biochar. This supports the conclusion that co-application of the biochar and biosolids product used here has potential to mitigate loss of N in coarse textured soils due to N adsoption by the biochar and independently of microbial N pathways.
format	article
author	Sanjutha Shanmugam Sasha N. Jenkins Bede S. Mickan Noraini Md Jaafar Falko Mathes Zakaria M. Solaiman Lynette K. Abbott
author_facet	Sanjutha Shanmugam Sasha N. Jenkins Bede S. Mickan Noraini Md Jaafar Falko Mathes Zakaria M. Solaiman Lynette K. Abbott
author_sort	Sanjutha Shanmugam
title	Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching
title_short	Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching
title_full	Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching
title_fullStr	Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching
title_full_unstemmed	Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching
title_sort	co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial n cycling genes and potential for n leaching
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c51941fca6a0413895cf52e05cd6c195
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Co-application of a biosolids product and biochar to two coarse-textured pasture soils influenced microbial N cycling genes and potential for N leaching

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