📌 Pistachio shells: how to transform them into enriching powder to improve your garden soil
Posted 5 January 2026 by: Admin
Pistachio shells, often thrown away without a second thought, hide unsuspected potential for your garden. Rich in calcium, potassium, and phosphorus, these resistant shells can become a valuable amendment for your soil. But how do you transform this waste into enriching powder, and above all, what precautions should you take before using them?
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The pistachio shell is not inert waste. It is…
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