Submit a problematic and a non-problematic sample for a comparison. Generally, the most recently matured, fully expanded leaves are collected from the upper part of the plant. Follow the same procedure every time you sample so you can compare results and detect trends over time. A selected list of labs specializing in greenhouse root medium, irrigation water, fertilizer solutions, and plant tissue samples. Check with the individual labs about the type of analysis conducted and if a submission form is required.
Analysis includes a complete testing for macroelements and microelements.
Slightly lower prices for Fafard customers. Micronutrients are only runo the 1 st and 15 th of the month. Plant tissue samples are not done. Analysis includes a complete testing for macroelements and microelements. Services available only to North Carolina residents.