Combustion Residue Analysis

Combustion residue analysis refers to the systematic examination of ash and byproducts left after cannabis flower is burned or vaporized. This analytical approach evaluates mineral content, impurities, and plant material composition by measuring what remains post-combustion. Breeders and cultivators use residue testing to assess growing practices, nutrient uptake, and potential contaminant accumulation in final plant material. The analysis can reveal information about soil quality, water source mineral content, and fertilizer application patterns. Understanding combustion residue helps distinguish between genetics-driven traits and cultivation-related factors affecting the final product.

Plant breeders reference combustion residue data when selecting for cleaner genetics or identifying lines with superior nutrient efficiency. Low ash content and minimal heavy metal residue are traits some breeding programs track, though genetics play a secondary role to cultivation variables in determining final residue profiles.