The Confluence

Substacknewsletter · by Sam Knowlton

Bringing together agriculture, ecology, food, and health.

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Audience
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Observed frequency
No recent posts
Observed from indexed posts
Last post
Jun 12, 2026
Jun 12, 2026
Likely audience
Plant scientists
Inferred from post content

The Confluence is a Substack newsletter by Sam Knowlton covering biochar, soil science and regenerative agriculture. Its most recent indexed post is from Jun 12, 2026.

Topics

Recent posts

  • Boron's Outsized…
  • Terra Preta…
  • Agriculture's Other…
  • Coffee Leaf…
  • How Microbes…

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Compiled from public pages · refreshed Oct 29, 2026 · How NewsletterFIT collects and labels data