Composting transforms organic waste into biologically active amendments that enhance nutrient availability and soil health. This session aims to explore compost influence carbon and phosphorus dynamics, including the breakdown of materials and their interaction with the soil they are applied to. We’ll look at how compost contributes to soil organic matter pools and how it can increase phosphorus bioavailability, especially in systems without synthetic inputs. The session concludes with insights from ongoing research using rapid composting and co-composting with recycled phosphorus sources like struvite to address soil fertility challenges in organic agriculture.

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