What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 500 KG.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for production?

The average lead time is one month for both peak season and off-season.

Organic Liquid NPK Seaweed Fertilizer

Name: Organic Liquid NPK Seaweed Fertilizer
Brand: Shanghai Bosman Industrial Co., Ltd.
SKU: 772931745

Shanghai, ChinaShanghai Bosman Industrial Co., Ltd.

US$300.00

100 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

CAS No.

84775-78-0

Certification

ISO9001

Model NO.

NPK Seaweed Extract Fertilizer

Application

Vegetables, Flowers, Fruit

Appearance

Liquid

Infection on Soil

Physiological Acid

Chemical Character

Chemical Acid

Release Type

Quick

Transport Package

Kraft Bags with PE Liner, 20kg Net.

Specification

Trademark

bosman

Origin

Shanghai

Production Capacity

10000tons Per Year

Key features

100% Organic Composition: Contains highly concentrated seaweed extract, trace minerals, and plant growth promoters.

Root Growth Promotion: Stimulates cell division and promotes root development for healthier plants.

Soil Fertility Improvement: Balances soil fertility and enhances the utilization rate of nutrients.

Multiple NPK Formulas: Available in various NPK ratios (e.g., 12-6-12, 10-10-10) with 5-10% seaweed extract.

Versatile Application Methods: Suitable for seed soaking, stem/root dipping, foliar spray, and soil application.

ISO9001 Certified: Manufactured under ISO9001 certification ensuring quality standards.

Flexible Customization: Supports full, minor, and sample-based customization for specific needs.

Long Shelf Life: Product validity is guaranteed for two years when stored properly.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamHigh Repeat Buyers Choice

Shanghai Bosman Industrial Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based limited trading company operating in agrochemicals and fertilizers, with stated annual productivity of 60,000 tons and 16 years of export experience. It reports that 71%–90% of total sales come from exports and offers broad customization, ODM, OEM, and 3D design services. However, it has no overseas showroom, overseas agents or branches, or offline trade-show participation. Complaint handling and corrective/preventive-action procedures are documented, while quality-assurance status, digitalization, ERP integration, and sustainability implementation are unknown. Innovation evidence is mixed: AutoCAD and 3D design capabilities are available, but there were no new products in the past year, no SDK, no patents, and no private molds. Financial records are identified for 2021–2023, but no financial performance details are provided.

Supplier typeThe supplier is explicitly identified as a limited company and a trading company located in Shanghai’s Hongkou District. Its stated product scope covers herbicides, insecticides, fungicides, plant growth regulators, disinfectants, and fertilizers, and it is not part of a larger company group.

After-Sales capabilityThe supplier has documented complaint-handling and corrective/preventive-action procedures with follow-up records, and it lists multiple service quotation and payment options. However, it has no overseas showroom, overseas agents or branches, no offline trade-show participation, and offers overseas services in zero countries, limiting demonstrated international after-sales coverage.

R&D capabilityThe supplier offers ODM services, AutoCAD-based R&D, and 3D software design, indicating design-related technical capability. Nevertheless, it reports no new products in the past year, no available SDK, zero R&D patents, and no private molds, which limits evidence of product innovation.

Production capacityThe supplier reports annual productivity of 60,000 tons for agrochemicals and fertilizers, 16 years of export experience, and one-month average lead times in both peak and off-season periods. It also lists 12 qualified service-capability suppliers, supporting a stated ability to handle substantial supply activity.

Customization capabilityThe supplier explicitly supports customization from samples, full customization, minor customization, flexible customization, and customization from designs. It also provides ODM services and 3D software design, while lacking private molds; overall, the stated customization range is broad.

Product Q&A

Q:What is the composition of the seaweed fertilizer?

It is 100% organic, containing highly concentrated seaweed extract (5-10%), NPK nutrients, trace minerals, alginic acids, and plant growth promoters.

Q:What are the available NPK ratios?

Common formulas include 12-6-12, 10-10-10, 12-8-15, 10-7-15, 18-10-12, 16-8-18, and 25-0-4, often combined with seaweed extract and organic matter.

Q:How should this fertilizer be applied?

It can be used for seed soaking, stem/root dipping, foliar spray, or applied to crop roots/furrows. Dosage is 600-900 kg/ha as base fertilizer or 300-450 kg/ha as topdressing.

Q:What is the shelf life of the product?

The validity period is two years. It should be stored in a sealed, damp-proof place.

Q:Is customization available for this product?

Yes, we offer full customization, minor customization, flexible customization, and customization from samples or designs.