Soil function category Soil function indicators PRB CF CT
Soil carbon stock and sequestration (between 2006 and 2013)* SOC sequestration rates (Mg C ha-1 yr-1) 0.62a 0.49b 0.25c
SOC stock (Mg ha-1) over 8 years 4.31a 3.45b 1.72c
Nutrient availability Soil N (g kg-1) 1.4a 1.2ab 0.9b
Available P (ppm) 6.7a 5.4ab 4.1b
Water availability Plant-available water capacity (PAWC, m3m-3) 0.16a 0.15a 0.12b
Drainage for excess rainwater Macroporosity (MacPOR, m3m-3) 0.13a 0.12ab 0.11b
Soil aeration Air capacity (AC, m3m-3) 0.21a 0.19ab 0.17b