““Routine assessments of agricultural soils rarely extend beyond the top 10 to 15 centimeters and are generally limited to determining the status of a small number of elements, notably phosphorus (P) and nitrogen (N). Overemphasis on these nutrients has masked the myriad of microbial interactions that would normally take place in soil; interactions that are necessary for carbon sequestration, precursor to the formation of fertile topsoil.””
