Composting to achieve Soil Humus

One of the main reasons we compost plant material is to produce humus which is then added to the garden or farm soil.

Compost heaps, Royal Botanic Gardens, Kew, London, July 2013. Image by author.

Humus is an all-important component of soil, it encourages earthworms nature’s cultivators, arbuscular mycorrhiza soil fungi, supplies nutrients (Solaiman, et al., 2019) and builds soil structure which prevents…