Knowing the content of NPK fertilizer with Digital tester
Basically fertilizer measurement/ test method is kolorimetri, based on to the handbook of indonesia national standard, that include fertilizer type such as: NPK, KCL, Urea, Amonium Phospat, etc. Macro elements that can be tested by this measurement test with NPK Digital Tester, is: 1. Nitrogen ( n) With fertilizer sample destruction using strong acid will…