From: Applications of humic and fulvic acid under saline soil conditions to improve growth and yield in barley
Characteristics
Humic acid
Fulvic acid
pH
5.64
1.58
Ec (dsm-1)
0.10
0.11
85%
K fulvate 85%
3%
K2O
12%
10%
K
Organic N
1%
0.38
Available N (ppm)
1.72
0.54
Available P (ppm)
0.23
0.17
Available K (ppm)
1.95
1.87