N (azot całkowity)
RSM 28: 28%, RSM 30: 30%, RSM 32: 32%
N (azot amonowy)
RSM 28: 7%, RSM 30: 7,5%, RSM 32: 8%
N (azot saletrzany)
RSM 28: 7%, RSM 30: 7,5%, RSM 32: 8%
N (azot amidowy)
RSM 28: 14%, RSM 30: 15%, RSM 32: 16%
saletrzak:
Azot azotanowy
NO₃⁻
13,5%
Azot amonowy
NH₄⁺
13,5%