What does this research mean for the field?

Nature-derived biostimulants preserve wheat rhizosphere microbial biomass, diversity, and community structure, performing comparably to untreated controls without causing significant ecological disruptions. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the effects of three nature-derived biostimulants compared to water and conventional NPK fertilization on wheat rhizosphere microbial biomass, diversity, and metabolic potential.

August 27, 2026AgricultureOpen Access

Effects of Nature-Derived Biostimulants on Wheat Rhizosphere Microbial Biomass, Diversity, and Networks

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Authors

OAOumaima AkachoudCadi Ayyad University PRPaola Villanueva RosalesUniversité du littoral côte d'opale JFJoël FontaineUniversité du littoral côte d'opale

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Implication

Comparative study demonstrates nature-derived biostimulants maintain soil microbial biomass and diversity in wheat rhizosphere, indicating their suitability for sustainable crop management.

Key Points

To evaluate the effects of three nature-derived biostimulants compared to water and conventional NPK fertilization on wheat rhizosphere microbial biomass, diversity, and metabolic potential.
Assessed three biostimulant formulations (Plantiful™, CelexT07™, and Phylgreen™) alongside an untreated water control and conventional NPK fertilization in wheat rhizosphere soil after 9 weeks of growth.
Evaluated microbial biomass, community composition, and metabolic profile using metabarcoding, phospholipid fatty acid (PLFA) profiling, and Biolog EcoPlates™ assays.
Total microbial biomass and bacterial biomass (7.4–9.8 µg/g soil) remained stable across all treatments without significant differences compared to the untreated control.
Saprotrophic fungal biomass was 2- to 4-fold lower under Phylgreen™ and CelexT07™ compared with NPK, but remained comparable to the untreated control.
Average well color development (AWCD) was reduced by 43.5% under Phylgreen™ (64.11) compared to NPK (113.44), while remaining comparable to the untreated control (94.74), with overall microbial richness and networks maintained.

Cite This Study

Akachoud et al. (2026) studied this question.

synapsesocial.com/papers/6a8fe99e10c91c1e9262158c https://doi.org/10.3390/agriculture16171821

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Implication

Comparative study demonstrates nature-derived biostimulants maintain soil microbial biomass and diversity in wheat rhizosphere, indicating their suitability for sustainable crop management.

Effects of Nature-Derived Biostimulants on Wheat Rhizosphere Microbial Biomass, Diversity, and Networks

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Implication

Key Points

Cite This Study

Effects of Nature-Derived Biostimulants on Wheat Rhizosphere Microbial Biomass, Diversity, and Networks

Discussion

Member takes

Implication

Key Points

Cite This Study

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