Biochar-microbe synergy enhances auxin-mediated soil–plant interactions for canola productivity in alkaline calcareous soil
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F25%3A43927383" target="_blank" >RIV/62156489:43210/25:43927383 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1039/D5RA03240G" target="_blank" >https://doi.org/10.1039/D5RA03240G</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/D5RA03240G" target="_blank" >10.1039/D5RA03240G</a>
Alternative languages
Result language
angličtina
Original language name
Biochar-microbe synergy enhances auxin-mediated soil–plant interactions for canola productivity in alkaline calcareous soil
Original language description
Biochar and microbial bio-fertilizers, such as endophytic fungi and plant growth-promoting endophytes (PGPEs), offer sustainable alternatives to chemical fertilizers by enhancing soil fertility and plant performance. However, their synergistic effects particularly those involving auxin (IAA) biosynthesis and nutrient uptake, remain underexplored in calcareous soils. This study investigates how the integration of biochar with auxin-producing microbial inoculants influences soil-plant interactions and canola productivity. A pot experiment was conducted using two Brassica napus (canola) cultivars (DGL and Faisal canola) grown under alkaline calcareous soil. Treatments included individual and combined applications of A. baumannii MN24 and P. indica, with and without biochar. Physiological traits, auxin concentrations (IAA), root and shoot biomass, nutrient uptake (N, P, K), seed quality, and soil microbial and enzymatic activities were measured. Results revealed that the combined application of biochar, MN24, and P. indica significantly enhanced plant biomass, stem diameter, and grain yield by up to 203%, 127%, and 212%, respectively, in Faisal canola compared to the control. Biochar also amplified the microbial colonization and enzymatic activity in soil, leading to higher microbial biomass, enhanced nutrient uptake, and reduced electrolyte leakage and osmotic potential, indicating improved plant performance. Notably, these improvements translated to higher canola seed quality, with elevated fat, ash, and fiber contents. Enhanced auxin synthesis, particularly in the presence of L-tryptophan, was linked to improved root architecture, microbial colonization, and reduced plant stress indicators. These findings suggest that biochar-microbe-L-tryptophan synergy offers a powerful tool for sustainable crop intensification in challenging soils by optimizing hormone-mediated soil-plant processes.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
40101 - Agriculture
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
RSC Advances
ISSN
2046-2069
e-ISSN
2046-2069
Volume of the periodical
15
Issue of the periodical within the volume
36
Country of publishing house
GB - UNITED KINGDOM
Number of pages
19
Pages from-to
29509-29527
UT code for WoS article
001554027700001
EID of the result in the Scopus database
2-s2.0-105013674965