Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands

Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands

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Microbial processing of aggregate-unprotected organic matter inputs is key for soil fertility, long-term ecosystem carbon and nutrient sequestration and sustainable agriculture. We investigated the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential macro- and micro-nutrients) on decomposition and biochemical transformation of standard plant materials buried in 21 grasslands from four continents. Addition of multiple nutrients weakly but consistently increased decomposition and biochemical transformation of plant remains during the peak season, concurrent with changes in microbial exoenzymatic activity. Higher mean annual precipitation and lower mean annual temperature were the main climatic drivers of higher decomposition rates, while biochemical transformation of plant remains was negatively related to temperature of the wettest quarter. Nutrients enhanced decomposition most at cool, high rainfall sites, indicating that in a warmer and drier future fertilized grassland soils will have an even more limited potential for microbial processing of plant remains.

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Main Authors: Ochoa Hueso, Raúl, Borer, Elizabeth T., Seabloom, Eric W., Hobbie, Sarah E., Risch, Anita C., Collins, Scott L., Velasco Ayuso, Sergio, Yahdjian, María Laura
Format: Texto biblioteca
Language:eng
Subjects:CARBON CYCLING AND SEQUESTRATION, DECOMPOSITION, EUTROPHICATION, FERTILIZATION, MICROBIAL ACTIVITY, NUTNET, NUTRIENT (CO-) LIMITATION, ,
Online Access:http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=54355
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spelling KOHA-OAI-AGRO:543552022-09-15T12:19:00Zhttp://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=54355http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=AAGMicrobial processing of plant remains is co - limited by multiple nutrients in global grasslandsOchoa Hueso, RaúlBorer, Elizabeth T.Seabloom, Eric W.Hobbie, Sarah E. Risch, Anita C.Collins, Scott L.Velasco Ayuso, SergioYahdjian, María Lauratextengapplication/pdfMicrobial processing of aggregate-unprotected organic matter inputs is key for soil fertility, long-term ecosystem carbon and nutrient sequestration and sustainable agriculture. We investigated the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential macro- and micro-nutrients) on decomposition and biochemical transformation of standard plant materials buried in 21 grasslands from four continents. Addition of multiple nutrients weakly but consistently increased decomposition and biochemical transformation of plant remains during the peak season, concurrent with changes in microbial exoenzymatic activity. Higher mean annual precipitation and lower mean annual temperature were the main climatic drivers of higher decomposition rates, while biochemical transformation of plant remains was negatively related to temperature of the wettest quarter. Nutrients enhanced decomposition most at cool, high rainfall sites, indicating that in a warmer and drier future fertilized grassland soils will have an even more limited potential for microbial processing of plant remains.Microbial processing of aggregate-unprotected organic matter inputs is key for soil fertility, long-term ecosystem carbon and nutrient sequestration and sustainable agriculture. We investigated the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential macro- and micro-nutrients) on decomposition and biochemical transformation of standard plant materials buried in 21 grasslands from four continents. Addition of multiple nutrients weakly but consistently increased decomposition and biochemical transformation of plant remains during the peak season, concurrent with changes in microbial exoenzymatic activity. Higher mean annual precipitation and lower mean annual temperature were the main climatic drivers of higher decomposition rates, while biochemical transformation of plant remains was negatively related to temperature of the wettest quarter. Nutrients enhanced decomposition most at cool, high rainfall sites, indicating that in a warmer and drier future fertilized grassland soils will have an even more limited potential for microbial processing of plant remains.CARBON CYCLING AND SEQUESTRATIONDECOMPOSITIONEUTROPHICATIONFERTILIZATIONMICROBIAL ACTIVITYNUTNETNUTRIENT (CO-) LIMITATIONGlobal change biology
institution UBA FA
collection Koha
country Argentina
countrycode AR
component Bibliográfico
access En linea
En linea
databasecode cat-ceiba
tag biblioteca
region America del Sur
libraryname Biblioteca Central FAUBA
language eng
topic CARBON CYCLING AND SEQUESTRATION
DECOMPOSITION
EUTROPHICATION
FERTILIZATION
MICROBIAL ACTIVITY
NUTNET
NUTRIENT (CO-) LIMITATION

CARBON CYCLING AND SEQUESTRATION
DECOMPOSITION
EUTROPHICATION
FERTILIZATION
MICROBIAL ACTIVITY
NUTNET
NUTRIENT (CO-) LIMITATION
spellingShingle CARBON CYCLING AND SEQUESTRATION
DECOMPOSITION
EUTROPHICATION
FERTILIZATION
MICROBIAL ACTIVITY
NUTNET
NUTRIENT (CO-) LIMITATION

CARBON CYCLING AND SEQUESTRATION
DECOMPOSITION
EUTROPHICATION
FERTILIZATION
MICROBIAL ACTIVITY
NUTNET
NUTRIENT (CO-) LIMITATION
Ochoa Hueso, Raúl
Borer, Elizabeth T.
Seabloom, Eric W.
Hobbie, Sarah E.
Risch, Anita C.
Collins, Scott L.
Velasco Ayuso, Sergio
Yahdjian, María Laura
Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands
description Microbial processing of aggregate-unprotected organic matter inputs is key for soil fertility, long-term ecosystem carbon and nutrient sequestration and sustainable agriculture. We investigated the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential macro- and micro-nutrients) on decomposition and biochemical transformation of standard plant materials buried in 21 grasslands from four continents. Addition of multiple nutrients weakly but consistently increased decomposition and biochemical transformation of plant remains during the peak season, concurrent with changes in microbial exoenzymatic activity. Higher mean annual precipitation and lower mean annual temperature were the main climatic drivers of higher decomposition rates, while biochemical transformation of plant remains was negatively related to temperature of the wettest quarter. Nutrients enhanced decomposition most at cool, high rainfall sites, indicating that in a warmer and drier future fertilized grassland soils will have an even more limited potential for microbial processing of plant remains.
format Texto
topic_facet
CARBON CYCLING AND SEQUESTRATION
DECOMPOSITION
EUTROPHICATION
FERTILIZATION
MICROBIAL ACTIVITY
NUTNET
NUTRIENT (CO-) LIMITATION
author Ochoa Hueso, Raúl
Borer, Elizabeth T.
Seabloom, Eric W.
Hobbie, Sarah E.
Risch, Anita C.
Collins, Scott L.
Velasco Ayuso, Sergio
Yahdjian, María Laura
author_facet Ochoa Hueso, Raúl
Borer, Elizabeth T.
Seabloom, Eric W.
Hobbie, Sarah E.
Risch, Anita C.
Collins, Scott L.
Velasco Ayuso, Sergio
Yahdjian, María Laura
author_sort Ochoa Hueso, Raúl
title Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands
title_short Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands
title_full Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands
title_fullStr Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands
title_full_unstemmed Microbial processing of plant remains is co - limited by multiple nutrients in global grasslands
title_sort microbial processing of plant remains is co - limited by multiple nutrients in global grasslands
url http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=54355
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