China Seaweed Extract Fertilizer Manufacturer

HUMICO has been manufacturing Seaweed Extract Fertilizer for 10+ years.
Supplying Seaweed Extract Fertilizer in different contents with powder, flakes and liquid form.

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HUMICO Seaweed Extract Fertilizer is a natural, organic fertilizer derived from marine seaweed. Rich in essential nutrients and minerals, it is known for promoting vigorous plant growth, enhancing soil health, and increasing crop yields. This eco-friendly fertilizer improves plant resilience against stress, boosts root development, and enhances flowering and fruiting. Ideal for organic farming, it’s used in various agricultural settings, including gardens, greenhouses, and hydroponics, for its comprehensive benefits to plant health.

Seaweed Extract Fertilizer

Green Seaweed Extract Powder - HUMICO
Appearance: Green microparticle
Water solublity: 100% soluble
Alginic acid: >40%
Nitrogen: >5%
K2O: >20%
Organic Matter: >30%
PH: 6-8
Alginic Acid: >20%/18%/16%
Appearance: Black Flake
Solubility: >99.9%
PH: 8-10
Organic Matter: >40%
Moisture: <5%
Potassium K2O: >18%
Size: 2-4mm
Alginic Acid: >20%/18%/16%
Appearance: Black Powder
Solubility: >99.9%
PH: 8-10
Organic Matter: >40%
Moisture: <5%
Potassium K2O: >18%
Size: 80-100mesh
N-P2O5-K2O: 4-6-1, 4-2-0, 4-2-4, 2-2-2
Appearance: Black Granule
Organic Matter: 45%
Seaweed Extract: 20%
MgO: 0.6%, 1%
CaO: 2%
Size: 2-4mm
Seaweed Polysaccharides: 30%/15%
Alginic Acid: 14%
Organic Matter: 40%
N: 0.5%
K2O: 15%
Ca: 0.5%
Mg: 1%
B: 0.5%
pH: 5-7
Alginic Acid: 150g/L~480g/L
Nitrogen: 30g/L~150g/L
Phosphorus: 15g/L~300g/L
Alga Polysaccharide: 100g/L~450g/L
Soluble in Water: 100%
MicroElements: 10g/L~100g/L

Seaweed Extract Fertilizer Manufacturing Process

The main raw material seaweeds are Ascophyllum Nodosum, Kelp, Ecklonia Maxima, Sargassum and other brown seaweeds. The manufacturing process of Seaweed Extract Fertilizer includes:

  1. Harvesting: Collecting seaweed sustainably from coastal areas.
  2. Cleaning: Washing seaweed to remove impurities.
  3. Extraction: Using methods like cold-pressing or enzymatic digestion to extract nutrients.
  4. Concentration: Enhancing nutrient levels in the extract.
  5. Stabilization: Adjusting pH and adding preservatives for shelf stability.
  6. Drying: Converting the extract into powder or flake form, if needed.
  7. Packaging: Preparing the final product for distribution.

This streamlined process ensures the production of high-quality, effective seaweed-based fertilizer.

Green Seaweed Extract Powder - HUMICO
Black Seaweed Extract Flakes HUMICO

Seaweed Extract Fertilizer Water Solubility

HUMICO Seaweed Extract Fertilizer is highly water-soluble, allowing for easy and efficient absorption by plants. This solubility facilitates its use in various application methods, including foliar sprays and soil drenches, ensuring that the plants can readily access the essential nutrients and growth-promoting compounds it contains.


HUMICO Seaweed Extract Fertilizer MSDS/TDS


Seaweed Extract Fertilizer


Seaweed Extract Fertilizer

Seaweed Extract Fertilizer Documents

Package of HUMICO Seaweed Extract Fertilizer

20KGS, 25KGS/Kraft Paper Bag,
or customized packing is available.

Play Video about Seaweed Extract 25kg 1kg Package - HUMICO

FAQ of HUMICO Seaweed Extract Fertilizer

Free Sample HUMICO

1. How do you maintain quality control?We place immense value on the quality of our products. To ensure this, our quality control team is deeply involved at every stage of the production process. Each batch of our product undergoes rigorous testing, including HPLC, before dispatch. Additionally, pre-shipment inspections by SGS or PONY are conducted to guarantee the quality of our products.
2. Do you offer samples?Absolutely, we are happy to provide samples upon request. Once we receive your inquiry, we will promptly arrange to send samples to you.
3. What are the payment terms?Typically, our payment terms are 30% TT in advance, with the remaining 70% TT against the BL copy. We also accept LC at sight.
4. How can I track my shipment after payment?Rest assured, we will keep you updated on your shipment. Details including packing, tracking number, loading photos, and shipping documents will be sent to your email promptly.
5. What is your minimum order quantity (MOQ)?Our standard MOQ is 1 kilogram.
6. Can you customize our bags or print our logo on them?
Absolutely, we welcome and accept OEM requests!
7. How long does delivery take?Our general delivery timeframe is 7-10 days, assuming we have the product in stock. If not, it may take between 10-15 days to arrange shipping.
8. Are you trading company or manufacturer?We are manufacturer. Our manufacturing facility is nestled in the scenic landscapes of the Ningxia Autonomous Region. With an annual production capacity of 100,000 tons, we cordially invite you to visit our factory.

Seaweed Extract Fertilizer Uses

Seaweed Extract Fertilizer Uses
Seaweed Extract Fertilizer Uses

HUMICO Seaweed Extract Fertilizer is used for a variety of purposes in agriculture and horticulture:

Soil Amendment: Enhances soil health by improving structure, aeration, and nutrient content.
Plant Growth Nutrients: Contains natural essential nutrients and minerals that stimulate root development and overall plant growth.
Foliar Spray: Applied directly to plant leaves to quickly address nutrient deficiencies and boost health.
Disease and Pest Resistance: Strengthens plants’ natural defense mechanisms against diseases and pests.
Flowering and Fruiting: Encourages more abundant and healthier flowering and fruiting in plants.
Stress Reduction: Helps plants withstand environmental stresses like drought, salinity, and temperature extremes.
Hydroponics: Used in hydroponic systems to provide essential nutrients directly to plant roots.
Seed Treatment: Enhances seed germination and seedling vigor.
Lawn Care: Promotes healthier, greener lawns with improved grass growth.
Organic Farming: Ideal for organic farming due to its natural, eco-friendly properties.

Seaweed Extract Fertilizer is valued for its versatility, effectiveness, and organic nature, making it a beneficial addition to a wide range of agricultural practices.

Benefits of Seaweed Extract Fertilizer

Benefits of Seaweed Extract Fertilizer
Benefits of Seaweed Extract Fertilizer

Seaweed Extract Fertilizer offers numerous benefits for plant growth and soil health:

Rich Nutrient Content: Provides a wide range of essential nutrients, minerals, and trace elements that are vital for plant health.
Essential Nutrients: Contains natural essential nutrients and minerals like cytokinins, auxins, and gibberellins, which stimulate plant growth and development.
Enhances Root Development: Promotes the growth of strong and healthy root systems, crucial for nutrient uptake.
Improves Soil Structure: Enhances soil fertility and water retention, creating a better environment for plant growth.
Increases Plant Resilience: Boosts plants’ natural defense mechanisms, making them more resistant to pests, diseases, and environmental stressors.
Stimulates Seed Germination: Improves germination rates and supports the early growth stages of plants.
Enhances Photosynthesis: Can lead to more efficient photosynthesis, contributing to overall plant health and productivity.
Eco-Friendly: As a natural, organic product, it’s safe for the environment and supports sustainable farming practices.
Versatile Application: Suitable for a wide range of plants, including vegetables, fruits, flowers, and lawns, and can be applied through foliar sprays or soil drenches.
Improves Plant Quality: Can lead to better tasting, more nutritious, and visually appealing crops.

Seaweed Extract Fertilizer is particularly valued for its holistic approach to plant care, enhancing both the growth and health of plants in a natural and sustainable way.

Ultimate FAQ Guide to Seaweed Extract Fertilizer

Yes, seaweed extract is an excellent fertilizer. It offers a range of benefits that make it a valuable addition to various gardening and agricultural practices:

  1. Rich in Nutrients: Seaweed extract contains a wide array of essential nutrients, trace elements, and minerals that are beneficial for plant growth.

  2. Natural Essential Nutrients: It is a natural source of cytokinins, auxins, and gibberellins, which are growth-promoting nutrients that can enhance plant development, yield, and overall health.

  3. Improves Soil Health: Seaweed extract contributes to soil fertility by enhancing its structure, aeration, and moisture retention capabilities.

  4. Enhances Plant Resilience: Regular application can increase a plant’s resistance to environmental stressors like drought, frost, and pests.

  5. Eco-Friendly: As a natural, organic product, it is safe for the environment and supports sustainable agricultural practices.

  6. Promotes Root Development: It encourages the growth of a strong and healthy root system, which is essential for effective nutrient and water uptake.

  7. Versatile Application: It can be applied in various ways, including as a foliar spray or soil drench, and is suitable for a wide range of plants.

  8. Boosts Plant Immunity: It can strengthen plants’ natural defense mechanisms against diseases and pests.

  9. Improves Seed Germination and Viability: Seaweed extract can enhance seed germination rates and support the early growth stages of plants.

  10. Increases Crop Yield and Quality: Plants treated with seaweed extract often produce higher yields and better-quality produce.

In summary, seaweed extract is a highly beneficial fertilizer that promotes healthier plants and improves soil conditions in an environmentally friendly manner.

Seaweed fertilizer is versatile and beneficial for a wide range of plants. Its rich nutrient content makes it particularly advantageous for:

  1. Vegetables: Enhances growth, yield, and nutritional quality in vegetables like tomatoes, peppers, cucumbers, and leafy greens.

  2. Fruits: Fruit-bearing plants, including berries, citrus trees, and apple trees, benefit from improved fruit quality and increased resistance to diseases.

  3. Flowers and Ornamentals: Promotes vibrant blooms and robust growth in flowering plants, both annuals and perennials, as well as ornamental shrubs and trees.

  4. Lawns: Improves grass health, color, and density, and helps lawns recover from environmental stress.

  5. Houseplants: Boosts overall health and vigor, making it ideal for a wide variety of indoor plants.

  6. Seedlings and Young Plants: Encourages strong root development and early growth, providing a good start for seedlings and young plants.

  7. Herbs: Enhances the growth and flavor of various herbs, both in gardens and containers.

  8. Container Plants: Ideal for potted plants due to its ability to provide a balanced range of nutrients in a confined space.

  9. Hydroponic Systems: Suitable for hydroponic setups, providing essential nutrients in a water-soluble form.

  10. Garden Beds and Borders: Beneficial for general garden use, improving soil health and plant resilience.

Seaweed fertilizer’s broad-spectrum benefits make it a valuable addition to almost any gardening or farming endeavor, supporting plant health and productivity across various types of vegetation.

The process of making seaweed extract fertilizer involves several steps, including harvesting, washing, maceration, extraction, concentration, and formulation. Here’s a simplified overview of the typical manufacturing process:
  1. Harvesting:
    • Seaweed is harvested from coastal waters or aquaculture farms. Sustainable harvesting practices are essential to ensure the long-term health of marine ecosystems.
  2. Washing and Cleaning:
    • The harvested seaweed is thoroughly washed to remove sand, salt, debris, and other impurities. This helps ensure the purity and quality of the final extract.
  3. Maceration:
    • The cleaned seaweed is chopped or ground into smaller pieces to increase surface area and facilitate extraction of bioactive compounds.
  4. Extraction:
    • The macerated seaweed is immersed in water or a solvent to extract the soluble compounds, including vitamins, minerals, amino acids, and polysaccharides. Common extraction methods include hot water extraction, cold water extraction, and enzymatic hydrolysis.
  5. Filtration:
    • The extract is filtered to remove solid particles and insoluble materials, resulting in a clear liquid solution.
  6. Concentration:
    • The filtered extract is concentrated to increase the concentration of bioactive compounds and reduce the volume of the final product. Concentration can be achieved through evaporation, vacuum distillation, or membrane filtration.
  7. Formulation:
    • The concentrated seaweed extract is formulated with other ingredients, such as stabilizers, pH adjusters, and preservatives, to enhance stability, shelf life, and efficacy. The formulation may vary depending on the intended application and desired product characteristics.
  8. Quality Control:
    • The final product undergoes rigorous quality control testing to ensure it meets specifications for purity, potency, and safety. Quality control measures may include chemical analysis, microbial testing, and stability testing.
  9. Packaging and Distribution:
    • The seaweed extract fertilizer is packaged into containers, such as bottles, drums, or bulk tanks, and labeled for distribution to customers. Proper packaging and storage conditions are essential to maintain product quality and integrity.
Overall, the manufacturing process for seaweed extract fertilizer involves careful selection of raw materials, meticulous processing techniques, and stringent quality control measures to produce a high-quality product that enhances plant growth, health, and productivity.

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