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Quick Details

  • Classification: Organic Fertilizer
  • Type: Humic Acid
  • CAS No.: 479-66-3
  • Other Names: K-humate
  • 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 Black pearl
  • Product Name: Humic Acid Organic Fertilizer
  • color: Black
  • Organic matter: 25%
  • Appearance: Black Granular
  • Source: Young Active Leonardite
  • PH: 9-11
  • Color: Black shiny pearl
  • Water Solubility: Slow Release
  • WEBSITE: Www.citymax-agro.com

Packaging & Delivery

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

2017 Humic acid for slow release black shiny granual

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 $56,000
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