How to Make Bio Organic Phosphate Fertilizer

Phosphorus is one of the most important nutrients for plant growth, but chemical phosphate fertilizers can harm the environment and reduce long-term soil fertility. An eco-friendly alternative is bio organic phosphate fertilizer—a product that combines natural organic matter with phosphate-solubilizing microorganisms. This blog explains, in simple terms, how to produce it and what equipment is used during the process.


1. Understand What Bio Organic Phosphate Fertilizer Is

Bio organic phosphate fertilizer is made from two key components:

  • Organic materials: Such as animal manure, crop residues, or compost.

  • Phosphate-solubilizing microorganisms (PSMs): These microbes convert insoluble phosphorus (like rock phosphate) into forms that plants can absorb.

This type of fertilizer improves soil health and phosphorus availability naturally, making it ideal for sustainable agriculture.


2. Main Raw Materials You Need

To start production, you’ll need:

  • Organic base material: Cow dung, poultry manure, composted straw, etc.

  • Rock phosphate powder: A natural, low-cost source of phosphorus.

  • Phosphate-solubilizing bacteria: Such as Bacillus megaterium, Pseudomonas fluorescens, or Aspergillus spp..

These ingredients must be processed carefully to create a stable, nutrient-rich final product.


3. Composting the Organic Base

Equipment Needed:

  • Solid-liquid separator (if manure is fresh)

  • Compost turner (crawler type or groove type)

First, reduce moisture to 60–65%. Then, mix the organic waste and rock phosphate. Use a compost turner to aerate and maintain temperature. After 15–20 days of controlled fermentation, the material becomes partially mature compost.


4. Adding Microbial Inoculants

After the compost cools to below 40°C, it’s time to add the phosphate-solubilizing microorganisms.

Equipment Used:

  • Horizontal mixer or double-shaft mixer
    This ensures even distribution of the microbes.

Important: Don’t add microbes during high-heat composting—they’ll die. Always wait until the compost cools.


5. Granulation and Drying

To improve handling, packaging, and application, the material is often granulated.

Recommended Machines:

  • New-type organic fertilizer granulator: Ideal for high-organic material.

  • Disc granulator: More economical for smaller production lines.

  • Rotary dryer and cooler: Reduce moisture content to ensure long shelf life.

Optional: Use a fertilizer coating machine to protect microbial activity and prevent caking.


6. Screening and Packaging

After drying and cooling, granules are screened to remove fines and oversized particles.

Equipment:

  • Rotary drum screening machine

  • Automatic packaging machine: Ensures accurate filling and sealing for storage or sale.


Conclusio

Making bio organic phosphate fertilizer is a sustainable way to improve soil fertility and crop yield without relying on chemicals. With the right raw materials, beneficial microbes, and modern phosphate fertilizer production equipment, you can set up a cost-effective production line that meets both environmental and agricultural needs.

Interested in building a phosphate biofertilizer plant? Contact YUSHUNXIN for customized equipment solutions and technical support! Welcome to visit : https://www.biofertilizerproduction.com/faq-items/how-make-bio-organic-phosphate-fertilizer/