Humus is a dark organic substance made up of plant and animal matter decomposed by earthworms, arthropods, fungi, bacteria, and other soil microorganisms. It is naturally found in the top layer of soil and is commonly found on the forest floor. Humus contains nutrients that contribute to soil fertility. It improves soil texture and increases porosity while retaining moisture and nutrients. Humus also provides homes for beneficial soil microbes while extracting toxins and harmful microorganisms f