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Essential Minerals for Soil Health
Gary Zimmer’s Big Four
Healthy soil begins with balanced minerals.
Biological farming pioneer Gary Zimmer teaches that four key minerals form the foundation of plant health:
Calcium
Phosphorus
Magnesium
Boron
When soil minerals are balanced and biologically available, plants grow stronger, resist pests, and produce more nutritious food.
Originally featured in Heart & Soil Magazine • Growth
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• Care deeply about soil health
• Want to grow nutrient-dense food
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• Believe regeneration starts in the soil
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