Item
|
Standard
|
Water Solubility
|
100%
|
Humic Acid (dry basis)
|
70%
|
Fulvic Acid (dry basis)
|
15%
|
K2O
|
12%
|
PH value
|
9.0-11.0
|
Appearance
|
Black powder
|
Particle size
|
80-120 mesh
|
Application
|
Usage
|
Method
|
Foliar spray
|
Each time 2-6kg/ha
Dilution: 1500-2000 times
|
The late stages of crop growth
Interval of 7-10 days
|
Drip irrigation /root irrigation
|
Each time 6-16kg/ha
Dilution: 1000-1500 times
|
Various crop growth periods
Interval of 7-10 days
|
Base fertilizer
|
Each time 45-75kg/ha
|
Various crop growth periods
|