Iowa Soil Organic Matter Maps [gSSURGO]

Organic matter is the plant and animal residue in the soil at various stages of decomposition. The estimated content of organic matter is expressed as a percentage, by weight, of the soil material that is less than 2 mm in diameter. The content of organic matter in a soil can be maintained by returning crop …Continue reading “Iowa Soil Organic Matter Maps [gSSURGO]”

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