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Algae Phosphite K Fertilizer Pescticide Freind-Disease Control+Nutrients
US$1.00-3.00
2,000 L
Product profile
Customization
AvailableCondition
NewCertification
ISO9001, ISO, CEModel NO.
Alga Phosphite KApplication
Vegetables, Flowers, FruitState
LiquidValidity
Long-termPhysics State
LiquidInfection On Soil
Physiological AcidChemical Character
Chemical AcidRaw Material
Seaweed+PhosphiteType
LiquidHa
120Transport Package
5L, 10L, 20L, 200L, 1000LTrademark
SEAWINNEROrigin
QingdaoProduction Capacity
60000L/YearKey features
Seaweed & Potassium Synergy: Combines seaweed active ingredients with Potassium Phosphite for rapid P and K absorption.
Disease Resistance: Enhances resistance to Downy Mildew, Powdery Mildew, Phytophthora, and Root Rot.
Yield & Quality Boost: Promotes flower bud differentiation, fruit color change, and increases overall yield.
High Nutrient Utility: Not easily fixed in soil, activates secondary and trace elements for better nutrition use.
Versatile Application: Suitable for foliar spray, flood irrigation, or drip irrigation on vegetables and fruit trees.
Canker Prevention: Effective in preventing Canker, especially when used with copper preparations for severe cases.
Safe for Young Growth: Safe for spring shoots and young fruits, promoting new shoot maturation without damage.
High Concentration: Highly concentrated formula; crystals can be dissolved with water without affecting efficacy.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2004-06-01 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, Western Union
AI-Powered supplier vetting
SummaryQingdao Seawin Biotech Group Co., Ltd. is a China-based limited company founded in 2000, with 556 employees and operations in Shandong. It is identified as a manufacturer and processor focused on seaweed fertilizers, organic fertilizers, NPK fertilizers, fertilizer equipment, and related products. The supplier reports more than 10 production lines, a 260,000 m² manufacturing plant, annual seaweed extract and finished-product output of 600,000 tons, and export markets in South America, Europe, and North America. Its agronomist team provides fertilizer solutions and crop-protection advice, while reported certifications include ISO 9001, ISO 14001, ISO 45001, and ECOCERT organic-input certification. The available data supports strong production capability, certification coverage, and technical support. However, evidence is insufficient to confirm customization capability, financial credibility, or established customer cases; the trade records provided show only one transaction per listed buyer.
Supplier typeThe supplier is a limited company founded in 2000 and is explicitly described as a professional manufacturer focused on the exploitation, development, production, and marketing of marine biological products. Its product keywords and manufacturing descriptions identify it as a producer of seaweed fertilizer, organic fertilizer, NPK fertilizer, and fertilizer equipment rather than solely a trading company.
CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates. Its SEAWINNER organic fertilizers are also stated to be certified by ECOCERT as organic agricultural inputs under both EU and NOP standards, providing explicit evidence of multiple quality, environmental, occupational-safety, and product certifications.
R&D capabilityThe supplier reports 41 years of total R&D-engineer experience and describes development and industrial utilization of marine biological resources. Its agronomist team provides professional fertilizer solutions and crop-protection advice, indicating technical development capability, although the slices do not provide specific R&D projects, patents, laboratories, or newly developed products.
Production capacityProduction capability is strongly supported by 556 employees, more than 10 production lines, a reported 260,000 m² manufacturing plant, two Shandong production bases, and stated annual output of 600,000 tons of seaweed extract and finished products. The supplier also reports lead times of within 15 workdays in off-peak periods and one month during peak periods, further indicating organized manufacturing capacity.
Product Q&A
Q:What are the main benefits of this fertilizer?
A:
It promotes rapid absorption of P and K, regulates growth, enhances disease resistance, and activates nutrients for higher utility rates.
Q:How should this product be applied?
A:
It can be used for foliar spray (diluted 800-1200 times), flood/drip irrigation (30-75L/Ha), or specific disease prevention (diluted 200-500 times).
Q:What diseases does it help prevent?
A:
It enhances resistance to Downy Mildew, Powdery Mildew, Venturia Inaequalis, Phytophthora, Root Rot, and Canker.
Q:Is it safe to use on young fruits?
A:
Yes, it is safe for spring shoots and young fruits, promoting new shoot maturation without causing damage.
Q:What should I do if crystals appear in the liquid?
A:
If crystals appear due to high concentration, simply add water to dissolve them; the product effect will not be affected.
Send Inquiry
*To:
Qingdao Seawin Biotech Group Co., Ltd.
Qingdao Seawin Biotech Group Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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