Grass rather than legume species decreases soil organic matter decomposition with nutrient addition

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F23%3A00571015" target="_blank" >RIV/60077344:_____/23:00571015 - isvavai.cz</a>

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S0038071722003935?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0038071722003935?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.soilbio.2022.108936" target="_blank" >10.1016/j.soilbio.2022.108936</a>

Result language

angličtina

Original language name

Grass rather than legume species decreases soil organic matter decomposition with nutrient addition

Original language description

Nutrient addition to soil can strongly affect interactions at the root-soil interface, which play a central role in terrestrial ecosystem functions. Controversies, however, remain on whether or not soils sequester more carbon (C) with nutrient addition (for example in the context of increasing atmospheric CO2 concentrations), and what is the role of plant traits and growth strategies in these impacts. In this study, we conducted a laboratory manipulation experiment focused on the effects of a grass (Lolium perenne L.) species, a legume (Lotus corniculatus L.) species, and their mixture with or without nutrient addition on plant biomass, root-derived respiration, soil organic matter (SOM) decomposition, and microbial community structure.L. perenne biomass and root-derived respiration were more responsive than L. corniculatus biomass and rootderived respiration to nutrient addition. The decomposition of SOM decreased, and the priming effect (PE) was negative, both with and without nutrient addition, in both plant species. Nutrient addition, however, impacted the magnitude of PE to a lesser extent in L. corniculatus than in L. perenne and in monocultures than in the mixture. With nutrient addition, fungi were more abundant and utilized a greater proportion of root-derived C than bacteria. In conclusion, the current study suggests that nutrient addition may promote a positive soil C-balance through reduced SOM decomposition, and that plant species mixtures with increased root-derived C-flow (representing root and rhizomicrobial respiration) suppressed SOM decomposition to a greater extent.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

40104 - Soil science

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Soil Biology and Biochemistry

ISSN

0038-0717

e-ISSN

—

Volume of the periodical

177

Issue of the periodical within the volume

February

Country of publishing house

GB - UNITED KINGDOM

Number of pages

7

Pages from-to

108936

UT code for WoS article

000915875100001

EID of the result in the Scopus database

2-s2.0-85145232383