Why PAS100 compost composition limits long-term soil persistence

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Short answer

Standard PAS100 compost performs well for sanitation and organic matter recycling, but its material composition limits how long its soil benefits persist. This is not a failure of composting, but a consequence of what PAS100 is designed to optimise. Understanding this boundary helps avoid unrealistic expectations and misuse.

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Where this sits within the wider BHC framework

This boundary explains why additional material engineering is required for long-term soil outcomes, and why BHC is positioned as a complementary material rather than a replacement for compost.

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