Description
NO3-N, Olsen-P (Bray-P for pH<6), x-K.
This is a combined soil fertility test. It test the amounts of nitrogen, phosphorus and potassium.
$45.00
NO3-N, Olsen-P (Bray-P for pH<6), x-K.
This is a combined soil fertility test. It test the amounts of nitrogen, phosphorus and potassium.