Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices

Climate smart agriculture (CSA) practices are emerging as sustainable alternative to conventional rice-wheat system to pull up natural resources degradation across south Asia. After five years of continuous CSA based experiment, a two years study was conducted to evaluate changes in microbial biomas...

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Autores: Jat, H.S., Choudhary, M., Datta, A., Yadav, A.K., Meena, M.D., Devi, R., Gathala, M.K., Jat, M.L., Mcdonald, A., Sharma, P.C.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:México
Institución:Centro Internacional de Mejoramiento de Maíz y Trigo
Repositorio:Repositorio Institucional de Publicaciones Multimedia del CIMMYT
OAI Identifier:oai:repository.cimmyt.org:10883/20700
Acceso en línea:https://hdl.handle.net/10883/20700
Access Level:acceso abierto
Palabra clave:SOIL PROPERTIES
SOIL MICROORGANISMS
SOIL FERTILITY
NUTRIENT UPTAKE
WHEAT
YIELDS
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repository_id_str
spelling Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practicesJat, H.S.Choudhary, M.Datta, A.Yadav, A.K.Meena, M.D.Devi, R.Gathala, M.K.Jat, M.L.Mcdonald, A.Sharma, P.C.SOIL PROPERTIESSOIL MICROORGANISMSSOIL FERTILITYNUTRIENT UPTAKEWHEATYIELDSClimate smart agriculture (CSA) practices are emerging as sustainable alternative to conventional rice-wheat system to pull up natural resources degradation across south Asia. After five years of continuous CSA based experiment, a two years study was conducted to evaluate changes in microbial biomasses (microbial biomass carbon and nitrogen), enzyme activities (alkaline phosphatase, dehydrogenase and β-glucosidase), nutrient release and uptake (N, P and K) at different wheat crop growth stages. Effect of CSA practices was also studied for carbon mineralization in an incubation experiment. Four scenarios (Sc) were included in this study- conventional tillage (CT) based rice-wheat system (Sc1), partial CSA based rice-wheat-mungbean system (Sc2), full CSA based rice-wheat-mungbean system (Sc3), and full CSA based maize-wheat-mungbean system (Sc4). Soil samples were collected from scenarios at 0–15 and 15−30 cm depth at different growth stages of wheat crop namely sowing, crown root initiation (CRI), active tillering, panicle initiation, and harvesting. Analysis of soil was done for chemical properties viz. pH, electrical conductivity, available N, P, K, NPK uptake and mineralizable carbon and biological properties viz., microbial biomass carbon (MBC), microbial biomass nitrogen (MBN), dehydrogenase activity (DHA), alkaline phosphatase activity (APA) and β-glucosidase. Significantly higher microbial biomass carbon (42 %) and nitrogen (79 %) were found in surface soil (0−15 cm depth) under CSA based scenarios (Sc2, Sc3 and Sc4) at harvest stage of wheat over CT based/ conventional scenario (Sc1). At surface soil, alkaline phosphatase, dehydrogenase and β-glucosidase activity was 58, 14 and 13 % higher in CSA based scenarios, respectively than CT based scenario. CSA based scenarios showed significantly higher C mineralization after 3 days of the incubation experiment at harvest. An increase of respectively 15, 48 and 17 % of N, P and K uptake was observed with CSA based scenarios than CT based scenario. At harvest stage, 7 % higher amount of dry matter was reported with full CSA based scenarios (mean of Sc2 to Sc4) compared to Sc1. Higher wheat grain yield of ∼10 % was recorded with CSA based scenarios over CT based scenario. Therefore, CSA based scenarios with improved biological properties and nutrient availability and uptake at different wheat growth stages resulted in higher yields and hence need to be popularized among the farmers.Elsevier2020-02-15T01:25:16Z2020-02-15T01:25:16Z2020Published Versioninfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlePDFapplication/pdf0167-1987 (Print)https://hdl.handle.net/10883/2070010.1016/j.still.2020.104595199Soil and Tillage Research104595reponame:Repositorio Institucional de Publicaciones Multimedia del CIMMYTinstname:Centro Internacional de Mejoramiento de Maíz y Trigoinstacron:CIMMYTEnglishAmsterdam (Netherlands)CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose.Open Accessinfo:eu-repo/semantics/openAccessoai:repository.cimmyt.org:10883/207002024-10-11T19:58:39Z
dc.title.none.fl_str_mv Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
title Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
spellingShingle Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
Jat, H.S.
SOIL PROPERTIES
SOIL MICROORGANISMS
SOIL FERTILITY
NUTRIENT UPTAKE
WHEAT
YIELDS
title_short Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
title_full Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
title_fullStr Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
title_full_unstemmed Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
title_sort Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
dc.creator.none.fl_str_mv Jat, H.S.
Choudhary, M.
Datta, A.
Yadav, A.K.
Meena, M.D.
Devi, R.
Gathala, M.K.
Jat, M.L.
Mcdonald, A.
Sharma, P.C.
author Jat, H.S.
author_facet Jat, H.S.
Choudhary, M.
Datta, A.
Yadav, A.K.
Meena, M.D.
Devi, R.
Gathala, M.K.
Jat, M.L.
Mcdonald, A.
Sharma, P.C.
author_role author
author2 Choudhary, M.
Datta, A.
Yadav, A.K.
Meena, M.D.
Devi, R.
Gathala, M.K.
Jat, M.L.
Mcdonald, A.
Sharma, P.C.
author2_role author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv SOIL PROPERTIES
SOIL MICROORGANISMS
SOIL FERTILITY
NUTRIENT UPTAKE
WHEAT
YIELDS
topic SOIL PROPERTIES
SOIL MICROORGANISMS
SOIL FERTILITY
NUTRIENT UPTAKE
WHEAT
YIELDS
description Climate smart agriculture (CSA) practices are emerging as sustainable alternative to conventional rice-wheat system to pull up natural resources degradation across south Asia. After five years of continuous CSA based experiment, a two years study was conducted to evaluate changes in microbial biomasses (microbial biomass carbon and nitrogen), enzyme activities (alkaline phosphatase, dehydrogenase and β-glucosidase), nutrient release and uptake (N, P and K) at different wheat crop growth stages. Effect of CSA practices was also studied for carbon mineralization in an incubation experiment. Four scenarios (Sc) were included in this study- conventional tillage (CT) based rice-wheat system (Sc1), partial CSA based rice-wheat-mungbean system (Sc2), full CSA based rice-wheat-mungbean system (Sc3), and full CSA based maize-wheat-mungbean system (Sc4). Soil samples were collected from scenarios at 0–15 and 15−30 cm depth at different growth stages of wheat crop namely sowing, crown root initiation (CRI), active tillering, panicle initiation, and harvesting. Analysis of soil was done for chemical properties viz. pH, electrical conductivity, available N, P, K, NPK uptake and mineralizable carbon and biological properties viz., microbial biomass carbon (MBC), microbial biomass nitrogen (MBN), dehydrogenase activity (DHA), alkaline phosphatase activity (APA) and β-glucosidase. Significantly higher microbial biomass carbon (42 %) and nitrogen (79 %) were found in surface soil (0−15 cm depth) under CSA based scenarios (Sc2, Sc3 and Sc4) at harvest stage of wheat over CT based/ conventional scenario (Sc1). At surface soil, alkaline phosphatase, dehydrogenase and β-glucosidase activity was 58, 14 and 13 % higher in CSA based scenarios, respectively than CT based scenario. CSA based scenarios showed significantly higher C mineralization after 3 days of the incubation experiment at harvest. An increase of respectively 15, 48 and 17 % of N, P and K uptake was observed with CSA based scenarios than CT based scenario. At harvest stage, 7 % higher amount of dry matter was reported with full CSA based scenarios (mean of Sc2 to Sc4) compared to Sc1. Higher wheat grain yield of ∼10 % was recorded with CSA based scenarios over CT based scenario. Therefore, CSA based scenarios with improved biological properties and nutrient availability and uptake at different wheat growth stages resulted in higher yields and hence need to be popularized among the farmers.
publishDate 2020
dc.date.none.fl_str_mv 2020-02-15T01:25:16Z
2020-02-15T01:25:16Z
2020
dc.type.none.fl_str_mv Published Version
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv 0167-1987 (Print)
https://hdl.handle.net/10883/20700
10.1016/j.still.2020.104595
identifier_str_mv 0167-1987 (Print)
10.1016/j.still.2020.104595
url https://hdl.handle.net/10883/20700
dc.language.none.fl_str_mv English
language_invalid_str_mv English
dc.rights.none.fl_str_mv Open Access
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Open Access
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv PDF
application/pdf
dc.coverage.none.fl_str_mv Amsterdam (Netherlands)
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv 199
Soil and Tillage Research
104595
reponame:Repositorio Institucional de Publicaciones Multimedia del CIMMYT
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instname_str Centro Internacional de Mejoramiento de Maíz y Trigo
instacron_str CIMMYT
institution CIMMYT
reponame_str Repositorio Institucional de Publicaciones Multimedia del CIMMYT
collection Repositorio Institucional de Publicaciones Multimedia del CIMMYT
repository.name.fl_str_mv
repository.mail.fl_str_mv
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