Seaweed Extract
Appearance: Black powder or flake
Organic matter: 45-55%
Total nitrogen: 1.0% min,
K2O: 18% min,
P2O5: 6.0% min
Alginic acid: 16-26%,
Mg: 0.4% max,
Ca: 0.18% max,
Fe: 0.06% max,
Cu: 0.003% max,
Zn: 0.002% max,
S: 3.0% max,
Na: 2.3% max,
PH: 8-10,
Moisture: 5.0% max
Insoluble matter in water: 1.0% max
Packing: 20kgs paper box, 10MTs/20'fcl