KnowraSoil organic matterLinked fromLinked fromThe 41 pages that link to Soil organic matter, each with the reason it gives.All 41Broader topic 3Related 34Narrower topic 3Compared with 1HumusNarrower topic: Humus is its persistent, decomposed fraction, not the whole pool.DeadwoodNarrower topic: Some decomposed deadwood becomes persistent organic matter in forest soils.VermicompostNarrower topic: Vermicompost adds processed organic matter that can improve soil structure.