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Research

Explore research on leonardite, humic acid and fulvic acid by crop and topic. Each article includes source links and the limits of the evidence.

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Crop knowledge

Tomato: How humic acid supports root-zone fertilizer strategy

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

August 19, 20267 min

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Crop knowledge

Leonardite for Olive: Building a smarter soil program

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

August 16, 20267 min

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Crop knowledge

Fulvic acid in Citrus nutrition: What growers should evaluate

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

August 13, 20267 min

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Crop knowledge

Can humic substances improve nutrient management in Grapevine?

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

August 10, 20267 min

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Crop knowledge

A practical humic and fulvic acid framework for Strawberry

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

August 7, 20267 min

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Crop knowledge

Pepper production under stress: The role of Leonardite inputs

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

August 4, 20267 min

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Crop knowledge

From soil structure to roots: Humic acid decisions for Lettuce and leafy greens

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

August 1, 20267 min

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Crop knowledge

Designing a balanced fertilizer program for Greenhouse vegetables with fulvic acid

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

July 29, 20267 min

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Crop knowledge

Onion and garlic and organic matter: Where Leonardite fits

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

July 26, 20267 min

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Crop knowledge

Better root-zone monitoring in Hazelnut orchards with humic inputs

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

July 23, 20267 min

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Crop knowledge

Nutrient efficiency in Walnut: Interpreting humic acid evidence

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

July 20, 20267 min

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Crop knowledge

Leonardite-based soil management for productive Fig

An in-depth, evidence-led crop guide for professional growers, fertilizer manufacturers and agricultural distributors.

July 17, 20267 min

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