Soil organic carbon tends to be highest in the topsoil and generally ranges from 0.5% to 3.0% for most upland soils.
Topsoil generally ranges from 0.5% to 3.0% for most upland soils. Soil organic carbon tends to be concentrated in the topsoil.
Soil organic carbon tends to be concentrated in the topsoil. Topsoil generally ranges from 0.5% to 3.0% for most upland soils.
Soil organic carbon tends to be concentrated in the topsoil. Topsoil generally ranges from 0.5% to 3.0% for most upland soils.