0.72% Organic carbon in the soil will be classified as

Answer: Option B

Soil organic carbon is a measurable component of soil organic matter. Organic matter makes up just 2 - 10% of most soil's mass based on composition. While carbon is the main constituent of organic matter and it plays important role in enhancing the fertility, water retention capacity and texture of the soil. Approximately 0.51% of carbon in organic matter can be considered as medium availability.