PPT Slide
TOTAL N = NH4+ + NO3- + NO2- + ORG N
TOTAL N = ammonia + nitrate + nitrite + organic nitrogen
all inorganic forms soluble
plants utilize NH4 (some), NO3 (all), ORG N (a few)
Total Inorganic Nitrogen [TIN] = [NH4+] + [NO3-] + [NO2-]
Sources and forms of Nitrogen