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Quick Details

  • Classification: Organic Fertilizer
  • Type: Humic Acid
  • CAS No.: 479-66-3
  • Other Names: Humic Acid
  • MF: C9H8K2O4
  • EINECS No.: 215-809-6
  • Place of Origin: Shaanxi, China (Mainland)
  • Release Type: Slow
  • State: Granular
  • Purity: Humic acid 25%
  • Application: Soil application
  • Brand Name: CITYMAX
  • Model Number: Max Blackpearl
  • color: Black
  • Appearance: Black shiny Granule
  • Organic matter: 25%
  • Humic acid: humic acid granular
  • PH: 9-11
  • Color: Black
  • Source: Active Leonardite
  • Shape: Shiny Granular
  • Certificate: ISO9001
  • WEBSITE: citymax-agro.en.alibaba.com

Packaging & Delivery

Packaging Details 20kg or 25kg kraft paper bag
Delivery Time About 15 days after receiving deposit

Hot!!! Slow Release type black pearl humic acid granular

What advantages that our humic acid have

The product is ISO 9001 certificate, we have many distributors all over the world, covering USA, Canada, Sorth Africa, Middle East, etc.

Humic acid details

Max Blackpearl

Humic Acid(Dry Basis): 25%

Amino Acid: 8%

NPK: 16-0-1

Organic Matter: 25%

Diameter: 2-4mm 

Humic acid more information

MAX BlackPearl is excellent for soil conditioning, and designed as a slow release, soil application. It is a shiny, round, brown granular fertilizer.

Humic acid application


Humic acid benefits

Efficiently and easily be absorbed by crops

Effectively regulates and improves soil quality

Improves the utilization of other fertilizers

Promotes crop growth, improves crop yield and quality. Generally increases food crop yields, by more than 10 percent, with an early maturity of between 5-7 days. Increases cash crop yields by more than 20%, with an early maturity of between 6-8 days.

Enhances crop resistance to disease and lodging

Humic acid packages


Humic acid certificate


The exhibitions we took part in


Why Choose us?

  1. We are a China Leading humic acid Manufacturer.
  2. Alibaba Assessed Gold Supplier.
  3. We are the only Chinese humic acid company who has OMRI certificate in every series.
  4. We have already attracted customers from more than 30 countries and regions.
  5. Cases in many countries.

How to Contact Us?

Send us your enquiry, and we would solve all problems of your soil and crops

Once you choose CITYMAX, forever we have a fulfilling relationship.

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
2 Transactions 100+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $46,000
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