Plant available potassium (per kg soil)
The concentration of readily available potassium held on soil clay particles’ exchange sites. Commonly determined using the ammonium acetate (NH4OAc) method.
Also known as: Soil exchangeable K; exchangeable K content; exchangeable potassium; available K; plant available K; extractable potassium; extractable K
- Term type: Measurement
- Units: g K / kg soil
Subclass of
HESTIA Glossary