Biodiversity, Healthy Soils, and their Combination in Regenerative Agriculture can Reduce but not Replace Fertilizer

Q: What does this research mean for the field?

Biodiversity and healthy soils in regenerative agriculture can reduce, but cannot completely replace, the need for fertilizers. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Andrew McGuire

doi:10.7273/000008450

September 1, 2026Open Access

Biodiversity, Healthy Soils, and their Combination in Regenerative Agriculture can Reduce but not Replace Fertilizer

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Key Points

To evaluate whether ecological processes, soil biodiversity, and soil health in regenerative agriculture can fully replace synthetic fertilizer inputs.
Examined the capacity of regenerative agricultural practices and soil biodiversity to support crop yields without off-farm synthetic inputs.
Evaluated nutrient cycling and yield outcomes under varying levels of biological soil management and external fertilizer additions.
Regenerative agriculture and enhanced soil biodiversity significantly lower the volume of external synthetic fertilizer required for crop production.
Ecological soil processes alone cannot entirely substitute for external fertilizer inputs without compromising overall crop productivity.

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Implication

Ecological evaluation reveals decreased synthetic fertilizer needs in regenerative farming, indicating natural nutrient cycling cannot completely replace external inputs.

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Andrew McGuire (2026) studied this question.

synapsesocial.com/papers/6a9a85e75d9e33f25c631542 https://doi.org/10.7273/000008450

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Biodiversity, Healthy Soils, and their Combination in Regenerative Agriculture can Reduce but not Replace Fertilizer

Key Points

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Implication

Abstract

Discussion

Cite This Study

Biodiversity, Healthy Soils, and their Combination in Regenerative Agriculture can Reduce but not Replace Fertilizer

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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