Organic Certified Fertilizer Manufacturer

Rutom Bio., over 10 years experiences specializing in manufacturing organic fertilizers, certified with ECOCERT EU, USDA NOP, and JAS. Organic fertilizers wholesale at least 20 tons. Feel free to quote for bulk orders and get our e-catalog.

Organic Fertilizer2025-06-23T08:35:23+00:00

Organic Certified Fertilizer & Wholesale

Rutom Biotechnology is a factory located in Jiangxi Province. Our organic fertilizer has passed ECOCERT EU, USDA NOP and JAS.

100% Natural Sourcing

Composed of a wide variety of ingredients, including vegan sources

Full Certification

Compliant with ECOCERT and CERES organic standards

Bulk Production

Customized granular/powder formulations for commercial growers

Quality Control

Lab-tested NPK ratio with ≤0.5% moisture content

Introduce to Organic Certified Fertilizer

Rutom Bio. has passed the ECOCERT, including EU, USDA NOP, and JAS. We also have the CERES certificates. According to the certificates, our certified organic products are:

Crop Support: Water-Soluble Fertilizer Containing Amino Acids;

Fertilizer & Amendment: Rutom 5-3-2 (granule), Rutom 5-3-2 (powder), Rutom 6-5-4 (granule), Rutom 7-4-5 (granule), Rutom 7-4-5 (powder), Rutom 9-1-1 (granule), Rutom 9-1-1 (powder);

Raw Material for Fertilizer & Amendment: Dolomite, Guano Granular (mineralized guano), and Guano Micropowder (mineralized guano).

*More information, click to check our certificates page for details.

Product Specifications

Name Organic Matter Nitrogen (N) Phosphate (P2O5) Potassium (K2O) Size & Format Use For Certificates
Amino-Acids 25% 14.5% Liquid Vegetables, Fruit Trees, Raw Material EU, NOP, JAS, CERES
Rutom 5-3-2 30% 5% 3% 2% Granule (2-4 mm) Plants, vegetable, Organic Farming EU, NOP, JAS, CERES
Rutom 5-3-2 30% 5% 3% 2% powder Plants, vegetable, Organic Farming EU, NOP, JAS, CERES
Rutom 6-5-4 30% 6.3% 5.5% 4.2% Granule (2-4mm) Plants, vegetable, Organic Farming EU, NOP, JAS, CERES
Rutom 7-4-5 30% 7.3% 4.5% 5.2% Granule (2-4 mm) %: 90 Plants, vegetable, Organic Farming EU, NOP, JAS, CERES
Rutom 7-4-5 30% 7.3% 4.5% 5.2% Powder Plants, vegetable, Organic Farming EU, NOP, JAS, CERES
Rutom 9-1-1 30% 7.3% 4.5% 5.2% Granule (2-4 mm) %: 90 Plants, vegetable, Organic Farming EU, NOP, JAS, CERES
Rutom 9-1-1 30% 7.3% 4.5% 5.2% Powder Plants, vegetable, Organic Farming EU, NOP, JAS, CERES
Diatomite 2.5% 0.5% Micronized powder: 2500 mesh (D50 5 micrometer) All plants and soil conditions EU, NOP, JAS, CERES
Guano Granular 5% 25% Granule (2-4 mm) Fruits, Vegetable, Crops EU, NOP, JAS, CERES
Guano Micropowder 5% 30% 5 micrometers, 3 micrometers, 2.5 micrometers Vegetables, Flower, and Crops EU, NOP, JAS, CERES

Our Certificates

Only a few factories can get the ECOCERT certificates; we have fully organic certified products with EU, USDA NOP, and JAS.

Application Scenarios

Flowering Plant Care

Planting for efficiency

Cash Crop Cultivation

Soil Improved

Who We Are

Leading Organic Fertilizers Manufacturer & Supplier in China

Jiangxi Rutom Biotechnology Co., Ltd is a comprehensive company with 10 years of experience in the research, development, and production of organic fertilizers, organic-inorganic compound fertilizers, liquid fertilizers, and water-soluble fertilizers. Equipped with multiple industry-leading production lines, we are committed to meeting your diverse needs.
Our production base covers more than 70,000 square meters with a modernized office building, well-equipped workshop, experienced R&D team, and world-class organic fertilizer production lines. We also actively introduce advanced technology and scientific formulations from home and abroad. At present, our factory has an annual output of 50,000 metric tons.
With high-quality products and excellent customer service, our company enjoys a good reputation in the industry. Our products sell well in the USA, Canada, Spain, Korea, South Africa, Australia, New Zealand, and other developed countries. We export around 20,000 metric tons of organic fertilizer annually.

Why Partner With Rutom Factory?

Certified Production

ECOCERT

  • ECOCERT certified for organic farming systems
  • EU-compliant product documentation for seamless customs clearance
  • The variety of our products with certificates meets your needs
B2B Export Expertise
  • 20ft container loading: 20-ton granular or 20KL liquid formulations
  • Customized NPK ratio can be available as your demands
  • EXW/FOB terms with phytosanitary certificates pre-prepared
Quality Assurance
  • ≤0.5% moisture content for extended shelf life
  • 8% calcium content for enhanced plant cell strength
  • ISO-certified production facility with 98% on-time delivery

Frequently Asked Questions

How can you make sure the products that are qulified?2025-05-08T08:18:15+00:00

We have very strict control on quality, especially on chemical contents. Precise formulation, Raw material testing, Producing testing Before shipment, the final product will be cross-checked in our lab and the SGS lab.

Do you have products that are certified as organic raw material input for organic farming?2025-05-08T08:18:15+00:00

Yes, please kindly refer to our organic products that are certified.

What’s your payment terms?2025-05-08T08:18:15+00:00

Normally we accpet T/T and LC at sight as our payment.

Can you produce our own customized formula?2025-05-08T08:18:15+00:00

Yes, we can produce the products based on the given formula. But it requires having a minimum order quantity based on the raw material and production line settings.

What’s your order quantity for the product?2025-05-08T08:18:15+00:00

Normally it is set to require 60 Mt for granule products, and 40 Mt for other type of products.

Are you a manufacturer of organic fertilizer?2025-05-08T08:18:15+00:00

Yes, we are a factory that produces an organic fertilizer series of products. Products includes solid organic fertilizer (Powder & Round Granule), Organic and inorganic compound fertilizer, liquid fertilizer, Mineral soil conditioner, superfine powdered fertilizer, etc.

What is seabird guano fertilizer?2025-05-08T08:26:04+00:00

Seabird guano fertilizer is a natural organic fertilizer made from seabird droppings, rich in nitrogen, phosphorus, calcium, and other nutrients, suitable for gardening, agriculture, and more.

What are the primary nutrients in seabird guano fertilizer?2025-05-08T08:26:32+00:00

It contains high levels of nitrogen (N), phosphorus (P), potassium (K), and calcium (Ca). A typical NPK ratio is 0-10-0, with some products containing 8% calcium and 10% phosphate.

What specific benefits does seabird guano provide to plants?2025-05-08T08:27:01+00:00

It promotes explosive vegetative growth, enhances root development, improves nutrient uptake, and boosts flowering/fruiting quality, especially for plants requiring phosphorus and calcium.

Which plants is seabird guano fertilizer suitable for?2025-05-08T08:27:24+00:00

It works for vegetables, fruits, herbs, flowers, vines, trees, shrubs, as well as container and raised-bed gardening.

How should seabird guano fertilizer be applied correctly?2025-05-08T08:27:47+00:00

Dilute according to product instructions and apply to soil or mix into growing media. Adjust dosage based on plant type to avoid over-fertilization.

Is seabird guano suitable for organic farming?2025-05-08T08:28:13+00:00

Yes, it is a natural organic fertilizer compliant with organic standards. Some products are classified as “low-analysis fertilizer” (e.g., in Mississippi).

Why do some seabird guano products contain “slow-release nitrogen”?2025-05-08T08:28:39+00:00

Certain formulations use specialized processes to convert nitrogen into a slow-release form, extending nutrient availability and reducing waste (e.g., products with 4.5% slow-release nitrogen).

Can high phosphorus content harm soil?2025-05-08T08:29:04+00:00

High phosphorus benefits phosphorus-deficient soils but should be used cautiously in phosphorus-rich soils. Soil testing is recommended beforehand.

What role does calcium play in the fertilizer?2025-05-08T08:29:32+00:00

Calcium strengthens plant cell structures, supports healthy growth, and improves stress resistance. Some products contain up to 20% calcium.

How can I access heavy metal content information for the product?2025-05-08T08:30:01+00:00

Visit the Association of American Plant Food Control Officials (AAPFCO) website to check detailed metal content data for specific products.

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