1. Characters: black or brown powder/flake, water soluble and pH = 8 to 10;
2. Main ingredients:
a. Alginic acid: 8 to 15%;
b. Organic matter: ≥50%;
c. N: ≥0.5%;
d. P2O5: ≥3.0%;
e. K2O: 18 to 22%;
f. Much secondary element and micro-elements, cytokinin, betaine, vitamin, trehalase and amino acid.
3. Efficiency: Improves crop's quality, enhance resistance of crops, induce plants to enhance resistance to disease, meliorate soil, increase yield for 15 to 30%;
4. Method of applications:
a. Spraying: diluted with water by 1:2,500 to 3,000;
b. Crops with one picking: to spray 3 to 4 times in whole growing period;
c. Crops with several picking: to spray after each picking;