Compost, Biochar & Organic Amendments

Returning organic matter to the soil is one of the oldest practices in agriculture, yet modern science is revealing just how powerfully the right amendments can transform land. Compost rebuilds biology and feeds slow-release nutrients; biochar offers a stable, porous carbon scaffold that can persist for centuries; manures, green waste, and other organic inputs close nutrient loops that would otherwise leak away. Each material behaves differently, and using them well demands an understanding of how they break down, interact with soil chemistry, and influence microbial life. The Compost, Biochar & Organic Amendments session brings these materials under the microscope, examining what they do, how they are made, and where each fits within a sound soil-management strategy. It also confronts the practical realities of sourcing, quality control, and application that determine whether an amendment helps or harms.

Should a grower invest in on-farm composting or buy in finished product? When does biochar deliver real agronomic value rather than simply storing carbon? These are the kinds of decisions weighed throughout the programme, which pairs laboratory findings with field-scale experience across varied soils and climates. Delegates at this Agriculture Conference will gain a clearer sense of how organic soil amendments and biochar can lift fertility, improve structure, and strengthen water retention while contributing to long-term carbon storage. The discussion stretches from feedstock selection and processing methods to application rates and timing, giving researchers, advisors, and producers a grounded framework for choosing the right material for the right purpose. By weighing benefits against costs and risks, the session helps participants turn organic resources into lasting soil improvement.