Soil analysis ( N, P, K + pH) Cat.No. HI 3895-010
Soil analysis reagent set.
Nitrogen, Phosphorus, Potassium and pH
Nitrogen Range traces, low, medium, high
Chemical Method Ned
Phosphorus Range traces, low, medium, high
Chemical Method ascorbic acid
Potassium Range traces, low, medium, high
Chemical Method tetraphenyl-borate
pH Range 4 to