- Contact Person : Ms. Sun Alina
- Company Name : Shandong Lvfeng Fertilizer Co., Ltd.
- Tel : 86-533-2182599
- Fax : 86-533-2182599
- Address : Shandong,ZiBo,No.96 Jinjing Road,Zibo City,ShanDong Province,China
- Country/Region : China
- Zip : 255000
SOP(K2O52%)
We can produce SOP(K2O50% or K2O52%) agriculture grade .
Formula of potassium sulfate K2SO4, generally 50%, also contains about 18% of sulfur, sulfur is essential crop nutrients.
Suitable for various crops, can be used as basal fertilizer, topdressing, types of fertilizer and foliar application. Basal amount of general acreage 10-12.5kg, types of fertilizer consumption acreage 1.5-2.5kg, spray application 0.5%-2% is appropriate.usually potatoes, melons and other crops on the application of potassium is best, using a wide rang of large amount.
Item | Index | |
Appearance | white powder or granular | |
K2O | 52.0 % min or 50% | |
Moisture | 1.05% max | |
Cl | 1.5 % max | |
Free Acid (H2SO4) | 1.5 % max |
ITEM | Standard | Typical result |
Appearance | white powder or granular | Pass |
K2SO4 | 99%min | 99%min |
K2O | 52%min | 52.2%min |
Moisture | 1.5%max | 1.0%max |
CL | 1.5%max | 1.5%max |
S | 18%min | 18%min |
Free Acid(H2SO4) | 1.5%max | 1.45%max |
PH | 3-5 | 4.5 |
Water Soluble | 100% | 100% |
Heavy Metal | 0.01%max | 0.002% |
Calcium | 0.1%max | 0.04% |
Iron(Fe) | 0.1%max | 0.02% |
[Storage & transportation] Stored in dry, cool airiness place, far away from heat, avoid insolation, sign with no moisture and no insolation.
SOP(K2O52%)