From: Growth effects of the application of new controlled-release fertilizers on Phalaenopsis spp.
pH | Electrical conductivity | Total nitrogen | NH4+-N | NO3−-N | Available P2O5 | Exchangeable cations | Cation exchange capacity | ||
---|---|---|---|---|---|---|---|---|---|
K | Ca | Mg | |||||||
1:5, v/v | 1:5 dS m−1, v/v | % | % | mg/kg | mg/kg | cmolc/kg | cmolc/kg | ||
5.2 | 0.21 | 0.75 | 0.05 | 398 | 1350 | 1.02 | 55.6 | 5.7 | 138 |