Appearance: | Black Granular |
H.S Code: | 31059090 |
Appearance | black granular |
Particle size | 2-3mm |
Organic matter | 45% min |
Humic acid | 35% min (Dry basis) |
Moisture | 2% max |
Appearance: | Black Granular |
H.S Code: | 31059090 |
Effective viable count | ≥500 million/g |
Organic matter | ≥70% |
Nitrogen, phosphorus and potassium | ≥6% |
Potassium fulvate | ≥25% |
Humic acid | ≥10% |
Amino acid | ≥5% |
Seaweed extract | ≥5% |
Silicone | ≥5% |
Rooting agent | ≥5% |
Medium and trace elements (calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, molybdenum) |
≥5% |
Main items | contents |
Alginic acid | ≥4.0% |
Organic matter | ≥45.0% |
N | 1.0-3.0% |
P | 1.0-3.0% |
K | 0.5-1.5% |
≥5.0% | |
Ca/Mg/S | ≥10% |
Microelements | ≥0.5% |
Moisture | ≤10% |
PH | 5.5-8.5 |
Appearance | Granular or Powder Type |
Test Item(s) | Method No. | Test Result |
Organic matter | AFS2101-1 | 53.9% |
N | AFS2110-1 | 3.5% |
P | AFS2120-1 | 1.5% |
K | AFS2130-1 | 1.0% |
As | AFS2290-1 | 17.5 mg/kg |
Hg | AFS2292-1 | <0.1 mg/kg |
Cd | AFS2293-1 | 8.9 mg/kg |
Cr6+ | AFS2294-1 | 34 mg/kg |
Cu | AFS2295-1 | 25 mg/kg |
Ni | AFS2296-1 | 15.5 mg/kg |
Pb | AFS2297-1 | 9 mg/kg |
Zn | AFS2298-1 | 102 mg/kg |
Application methods | Crop types | Fertilization period | Application rates | Interval |
Basal application | Fruit trees | Preplant period/after harvesting | 3-5kg/individual plant | One year |
Field crops | Preplant period | 600-1800kg/ha | One crop season | |
Land vegetables | Preplant period | 2400-3600kg/ha | One crop season | |
vegetables under structure | Preplant period | 4800-7200kg/ha | One crop season | |
Dressing | Fruit trees | After flowering/ fruit enlargement period/ mature period | 1-3kg/individual plant | No strict limits |
Field crops | After flowering | 120-150kg/ha | No strict limits | |
Land vegetables | Rosette stage/after fruiting | 600-900kg/ha | No strict limits | |
vegetables under structure | Rosette stage/after fruiting | 1200-1800kg/ha | No strict limits | |
Hole application | Field crops | Planting | 5-20g/hole | One crop season |
Vegetables | Planting | 10-30g/hole | One crop season | |
As base material | Seaweed organic fertilizer : Other base material=1:10, mixing well (After crushing will be better). |
Cas No.: | 7778-80-5 |
Molecular formula: | K2SO4 |
Appearance: | White Powder / Granular |
H.S Code: | 31043000 |
Items | Standard (GB/T20406-2006) |
Appearance | White granular |
K2O | 50%min |
Cl | 1.5%max |
Moisture | 1.5%max |
S | 17.0%min |
Size(2-5mm) | 90%min |
Items | Ammonium Sulphate steel grade | Ammonium Sulphate Caprolactum Grade |
Appearance | White Granular/powder | White Crystalline |
N | 20.5%min | 21%min |
S | 23.5%min | 24%min |
Fe | —— | 0.007%max |
As | 0.0002%max | 0.0005%max |
Moisture | 1.5%max | 1.0%max |
Free acid | 0.3%max | 0.05%max |
Water insoluble matter | —— | 0.02%max |
Size | Powder/2-5mm | 0-2mm |
Item | Powder | Granular |
Total nitrogen content(as dry basis) % | 25.4%min | 25.0%min |
Na(as dry basis) % | 0.8%max | 0.5%max |
Moisture % | 0.5%max | 0.5%max |
With anti-caking agent (supply without anti-caking agent) |
Indexes | Industrial Grade | Agricultural Grade |
Ca(NO3)2 % | ≥ 98.0 | ≥ 98.0 |
Clarity test | Qualified | Qualified |
Aqueous solution reaction | Qualified | Qualified |
Water insoluble % | ≤ 0.02 | ≤ 0.03 |
Indexes | Special Grade | Fine Chemical Grade | Industrial Grade |
Mg(NO3)2·6H2O % | ≥ 98.0 | ≥ 98.0 | ≥ 98.0 |
Water insoluble % | ≤ 0.01 | ≤ 0.03 | ≤ 0.04 |
Chloride(Cl) % | ≤ 0.01 | ≤ 0.01 | --- |
Sulfate(SO4) % | ≤ 0.02 | ≤ 0.03 | --- |
Calcium(Ca) % | ≤ 0.1 | ≤ 0.2 | --- |
Manganese(Mn) % | ≤ 0.005 | ≤ 0.005 | --- |
Ferrum(Fe) % | ≤0.001 | ≤0.001 | ≤0.001 |
Arsenic(As) % | ≤ 0.0002 | ≤ 0.002 | --- |
Barium(Ba) % | ≤ 0.005 | ≤ 0.01 | --- |
Heavy metal content(based on Pb) % | ≤ 0.001 | ≤ 0.002 | ≤ 0.002 |
PH | 3-5 | 3.3-4.5(25%solution) | 3-5 |
Item | Zn | As | Pb | Cd |
Specs | ≥21.5% | ≤0.0005% | ≤0.001% | ≤0.001% |
Indexes | Industrial Grade |
KNO3 %≥ | 99.4 |
Clarity of solution | qualified |
Water insoluble % ≤ | 0.006 |
Chloride(Cl) % ≤ | 0.005 |
Iodate(IO3)% ≤ | 0.002 |
Sulfate(SO4)% ≤ | 0.01 |
Nitrite(NO2)% ≤ | 0.002 |
Ammonium(NH4)% ≤ | 0.005 |
Phsphate(PO4)% ≤ | 0.001 |
Sodium(Na) % ≤ | 0.05 |
Magnesium(Mg)% ≤ | 0.004 |
Calcium(Ca) % ≤ | 0.006 |
Ferric(Fe) % ≤ | 0.0005 |
Heavy metal content(based on Pb)% ≤ | 0.001 |
Classification: Nitrogen Fertilizer | Type: Urea | CAS No.: 57-13-6 |
Other Names: carbamide | MF: CH4N2O | Place of Origin: |
Purity: 94% | Application: industry or agriculture |
Packaging Detail: | 50kg ,500kg,1000kg PP bag or pallet available |
Delivery Detail: | prompt shipment or With 15days after T/T or L/C date |
Item | Specification |
Nitrogen | ≥46% |
Biuret | ≤1.0% |
Moisture | ≤0.5% |
Size | 0.85mm-2.8mm 90%min, free follow |
Packing: 10kg 50kg ,500kg,1000kg PP bag or pallet available |
Item | Standard |
Total Nitrogen(N)mass fraction | 35% Min |
Sulfur (S) of the mass fraction | 15% Min |
Nutrient release rate | 15% Max |
Static nitrogen dissolution rate | 30% Max |
Biuret mass fraction | 1.5% Max |
Water (H2O) mass fraction | 1.0 Max |
Size (1.00-4.75mm or 3.35-5.60mm) | 90% Min |
Appearance | Brown Powder |
Water Insoluble (dry basis) | 3% max |
Fulvic acid (dry basis) | 55-70 |
Effective NPK | 6-8 |
Amino acid and nucleic acid | 7-10 |
Sieve residue (0.5mm) | 5.0% max |
Particle size of insoluble content | 100 microns max |