![]() The living portion represents about 15% of the total soil organic matter. It even includes plant roots and the insects, earthworms and larger animals, such as moles, woodchucks and rabbits that spend some of their time in the soil. This part of soil organic matter includes a wide variety of microorganisms, such as bacteria, viruses, fungi, protozoa and algae. This three-way classification may seem simple and unscientific, but it is very useful in understanding soil organic matter. These three parts of soil organic matter have been described as the living, the dead and the very dead. It consists of three distinctly different parts: living organisms, fresh residues and molecules derived from well-decomposed residues. A typical agricultural soil has 1–6% organic matter by weight. Rely on one’s own idea and not on the orders of nature, then every effort will be futile.Īs we will discuss at the end of this chapter, organic matter has an overwhelming effect on almost all soil properties, although it is generally present in relatively small amounts. Soils for Urban Farms, Gardens and Green Spacesįollow the appropriateness of the season, consider well the nature and conditions of the soil, then and only then least labor will bring best success. ![]() Managing for High-Quality Soils and Focusing on Organic Matter Management ![]() Soil Degradation: Erosion, Compaction, and Contamination Protection of the Soil Against Rapid Changes in Acidity.Why Soil Organic Matter Is So Important.What Is Organic Matter and Why Is It So Important Or call to order: (301) 779-1007 Table of contents
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