Plant Tissue Tests

Nitrate Nitrogen (NO3N) potato petiole

Nitrate Nitrogen (NO3N) All other plant petioles or roots 

Total Combustion Nitrogen (TN) or Total Kjeldahl Nitrogen (TKN) For all plant leaves

NO3N or TN, P, K

NO3N or TN, P, K, S

NO3N or TN, P, K, S, Zn

NO3N or TN, P, K, S, Zn, Mn, Cu

NO3N or TN, P, K, S, Zn, Mn, Ca, Mg

NO3N or TN, P, K, S, Zn, Mn, Ca, Mg, Cu, Na

NO3N or TN, P, K, S, Zn, Mn, Ca, Mg, Cu, Na, B

NO3N or TN, P, K, S, Zn, Mn, Ca, Mg, Cu, Na, B, Fe

NO3N or TN, P, K, S, Zn, Mn, Ca, Mg, Cu, Na, B, Fe, Cl

NO3N or TN, P, K, S, Zn, Mn, Ca, Mg, Cu, Na, B, Fe, Cl, Al

NO3N or TN, P, K, S, Zn, Mn, Ca, Mg, Cu, Na, B, Fe, Cl, Al, Mo

Calculated from Total Nitrogen