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Soils managed for organic matter may suppress disease organisms, which could reduce pesticide needs. Crop health and vigor increase when soil biological activity and diversity increase. Wildlife habitat improves when residue management improves.
Adding compost, using cover crops and mulches, and limiting tillage—basic principles of organic soil management—increase and preserve organic matter.
Organic matter and soil life play central roles in soil health and fertility. In natural plant communities, the daily consumption and assimilation of organic residues by soil organisms provides the primary source of
Organic matter plays a significant role in crop production and soil health by improving physical, chemical and biological functions in the soil. Increasing levels of organic matter aid in soil structure, water-holding capacity, nutrient mineralization, biological activity, and water and air infiltration rates.
Organic matter improves soil structure, which results in increased water infiltration following rains and increased water-holding capacity of the soil; it also enhances root growth into more permeable soil.
Soil organic matter is arguably the most important soil component, influencing soil structure, water-holding capacity, soil stability, nutrient storage and turnover, and oxygen-holding capacity, properties that are fundamental in maintaining and improving soil quality.
Soil organic matter (SOM) is vital to soil health and plays a critical role in crop production. This review paper examines the impact of SOM on soil health, crop production, and the challenges...
Organic matter supplies energy and body-building constituents for most of the organisms in the soil. It has also an impact on the rate of surface-applied herbicides and its carryover effect for...
Soil organic matter (SOM) supports multiple soil ecosystem functions, underpinned by processes such as C sequestration, N mineralization, aggregation, promotion of plant health and compound retention.
Chemical Benefits. Increases the soil’s CEC or its ability to hold onto and supply over time essential nutrients such as calcium, magnesium and potassium. Improves the ability of a soil to resist pH change; this is also known as buffering capacity (see Agronomy Fact Sheet #5).