... Nutrition detector analyzer Test N, P, K,humic acid,organic matter,salinity,PH in the soil, fertilizer Soil Nutrient detectorTest N, P, ... Characteristic:Can quickly test N,P,K organic matter, salinity, and PH in the soil, fertilizer and plantsWith the function of ... (With tester) Function:Test N,P,K, PH, organic matter, soil PH, soil salinity, with storage and printing function Soil Nutrition detector