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Leonardite Source Natural Humic Acid 70% Leonardite Source Natural Humic Acid 70% Leonardite Source Natural Humic Acid 70%

Leonardite Source Natural Humic Acid 70%

Specification: Appearance Black powder & flake Water solubility Completely Humic extract (dry basis) 75% min...
  • 70%
  • ORGANIC FERTILIZER
  • Humic Acid
  • 1415-93-6
  • Humic Acid
  • N/A
  • 215-809-6
  • China
  • Controlled

Product Details

Classification:ORGANIC FERTILIZER Type:Humic Acid
CAS No.:1415-93-6 Other Names:Humic Acid
MF:N/A EINECS No.:215-809-6
Place of Origin:China Release Type:Controlled
State:Powder Purity:70% min
Application:Agricultural Fertilizer Product Name:Leonardite Source Natural Humic Acid 70%
Appearance:Black Powder Humic acid:70% min
Organic Matter:85% min Moisture:18% max
PH:4-6 Package:25KG/ BAG

Product Description

Specification:

Appearance Black powder & flake
Water solubility Completely
Humic extract (dry basis) 75% min
Total humic acid (dry basis) 70% min
Fulvic acid(dry basis) 5% min
Potassium (dry basis, K2O) 10% min
Moisture 12% max
PH 9-11

 

 

Application:

CROP RECOMMENDED APPLICATION
Field crop 12-25 kg/ha divided into several doses during the season (4-8 kg/ha per time).
Vegetables
Fruit trees 15-30 kg/ha divided into several doses during the season (5-10 kg/ha per time).
Foliar application 0.5-2 kg/1000 liters water every 15 days during the season, 3-6 kg/ha per time.
Seeds soaking 3-5 kg for 1 ton seeds. 
Drip irrigation 10-20 kg/ha divided into several doses during the season.

 

 

 

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Presently, pine bark is used to amend soils to increase organic matter and lower pH. ... To precipitate the humic acid, the solution is adjusted to pH 1 with a mineral acid, e.g. H2SO4. Three Leonardite products, two humic acids and one unextracted Leonardite, were analyzed for nutrient content

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