“The Haney Soil Test measures seven parameters related to soil biology: Water-extractable organic carbon (WEOC) Water-extractable organic nitrogen (WEON) Percent microbially active carbon (MAC) Inorganic nitrogen and phosphorus levels Organic nitrogen and phosphorus levels Organic C:N ratio One-day CO2 respiration All seven parameters are used to arrive at a final soil-health score.”
―
Gabe Brown,
Dirt to Soil: One Family's Journey into Regenerative Agriculture
