Qingdao, Shandong, China
Business Type: Manufacturer/Factory, Trading Company
Appearance: | Black lack shiny ball |
Particle size: | 2~4 mm |
N+P2O5+K2O: | 15% Min. |
Organic Substance: | 35% Min. |
Humic Acid: | 15% Min. |
Amino Acid: | 10% Min. |
Moisture: | 10.0% Max. |
PH: | 3~5 |