20/08/2026
π BUILDING BIOLOGY BENEATH THE TRUFFLE ORCHARD
Truffle production is about much more than simply fertilising a tree.
Truffles are ectomycorrhizal fungi, living in a specialised relationship with the feeder roots of their host trees. That makes the biological condition of the soil and rhizosphere incredibly important.
Each year I assist a large truffle orchard with making and supplying a liquid biological mix of natural and mineral fertiliser.
We are applying a combination of fermentation-derived carbon, humic and fulvic substances, seaweed and micronised minerals designed to support the entire soilβrootβbiology system.
π± BIO-ACTIVE CMS β THE BIOLOGICAL ENGINE
Our fermentation-derived Bio-Active CMS contains 57.9% organic matter, 47.1% fulvic acid, 10.3% amino acids and 3.2% humic acid, alongside N, P, K, Ca, Mg and S.
More importantly biologically, it also contains yeast metabolites, proteins and peptides, organic acids, residual sugars and unfermented carbohydrates.
This provides soil biology with a diverse range of carbon and organic compounds β from readily utilised sugars and carbohydrates through to amino acids, proteins, fulvic substances and more complex organic matter.
π€ POTASSIUM HUMATE + FULVIC 95
Provides additional humic and fulvic fractions to support soil aggregation, nutrient complexing, nutrient cycling, moisture retention and microbial habitat.
Together with CMS, this creates a spectrum of readily available through to more persistent forms of organic carbon.
π SEAWEED EXTRACT
Provides alginates, carbohydrates, betaines and naturally occurring bioactive compounds that support root development and rhizosphere activity.
Healthy feeder roots also release sugars, amino acids and organic acids into the surrounding soil, further supporting the biological community.
πͺ¨ VIBROPHOSPHATE + VIBROSILICATE + ALGEN ULTRA
These micronised mineral inputs provide phosphorus, calcium, magnesium and silicon, creating a mineral reservoir within the root zone.
Rather than relying solely on soluble nutrition, we're creating an environment where roots, fungi, microorganisms and organic acids can interact with mineral surfaces and participate in nutrient cycling.
Calcium also supports soil aggregation, helping create the pore space, aeration and moisture environment in which roots and soil organisms function.
π WHAT ARE WE TRYING TO ACHIEVE?
Not simply βmore microbes.β
We're building a more functional rhizosphere:
π± Diverse sources of biological carbon
π¦ Increased microbial activity and nutrient cycling
π A supportive environment around mycorrhizal roots
πͺ¨ Greater biological interaction with soil minerals
π§ Better soil structure and moisture relationships
πΏ Strong feeder-root activity
β‘ Improved nutrient complexing and availability
Truffle production relies on an incredibly complex relationship:
SOIL β BIOLOGY β ROOTS β MYCORRHIZA β TREE β TRUFFLE π
We're not trying to force-feed the truffle.
We're building the soil environment in which the tree, its roots, soil biology and mycorrhizal fungi can function together.