Compostering

Compostoring is a term used in waste management and soil science to describe practices that combine composting with the storage of compostable material. The word is a portmanteau of composting and storing and may refer to both on-site handling of organic waste and the storage of finished or semi-finished compost until it is used.

Definition and scope vary; the term is not universally standardized. In some contexts it describes the on-site staging of feedstock prior to the active composting phase, while in others it denotes the after-care stage when finished compost is stored and cured before use.

Process: The practice typically begins with collection and sorting of organic materials such as kitchen scraps and yard waste. Materials may be shredded or layered to promote aeration and moisture balance. During the active phase, compost piles or windrows are managed to maintain microbial activity, often with turning to prevent compaction and control odors. After the composting phase, the material is moved to a storage or curing area where it stabilizes, matures, and reduces volatile compounds.

Storage considerations: Storage bins or piles should be shaded and protected from excessive rain to maintain appropriate moisture, and designed for drainage and aeration. Curing can take several weeks to months, depending on climate and material quality. Proper storage reduces odors, pests, and nutrient losses and helps ensure the product meets safety standards before use.

Benefits and challenges: Compostoring supports waste reduction and soil health by returning nutrients to the ground, but it requires careful management of moisture, aeration, and contamination to avoid odor, leachate, and pathogen concerns.