Depth coefficient to adjust nutrient concentrations for depth

Labile P in soil surface

Nitrate N in soil surface

Fraction of soil humus that is active

Humus C:N ratio

Humus C:P ratio

inorgp

Currently not used

watersol_p

Currently not used

h3a_p

Currently not used

mehlich_p

Currently not used

bray_strong_p

Currently not used