GROWMAX-Cu

A High-Efficiency EDTA-Chelated Copper Fertilizer Enhancing Enzyme Activity, Disease Resistance, and Healthy Crop Growth.

Product Details	Light pink powder
Cu	≥14.5%
pH（1：100 dilution）	5.0-7.0

Advanced EDTA chelation prevents copper fixation and antagonism with phosphorus and iron, ensuring stable availability and efficient crop uptake.
Enhances plant enzyme activity and photosynthesis, promoting cell division, fruit expansion, improved coloration, and overall crop quality.
Rapidly corrects copper deficiency symptoms while strengthening disease resistance and supporting healthy, balanced crop development.

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Details

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GROWMAX-Cu is a high-efficiency chelated copper fertilizer formulated with advanced EDTA chelation technology. This technology protects copper from being fixed by soil and minimizes antagonistic reactions with phosphorus and iron, ensuring stable copper availability and efficient absorption by crops. The product maintains high stability across a wide pH range, especially in alkaline and organic soils.GROWMAX-Cu effectively prevents and corrects physiological disorders caused by copper deficiency, rapidly alleviating leaf chlorosis and supporting normal plant growth. By enhancing enzyme activity, it promotes photosynthesis, cell division, and fruit expansion, improves fruit color and quality, and inhibits various fungal and bacterial pathogens, thereby significantly improving crop disease resistance and ensuring healthy crop growth.

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Benefits

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• EDTA-chelated copper provides high stability and prevents soil fixation.
• Maintains effectiveness across a wide pH range, including alkaline soils.
• Excellent compatibility with common fertilizers and pesticides.
• High application safety with low risk of phytotoxicity.

• Rapidly corrects copper deficiency and leaf chlorosis symptoms.
• Enhances enzyme activity and improves photosynthetic efficiency.
• Promotes fruit expansion, coloration, and overall quality.
• Inhibits fungal and bacterial pathogens, strengthening crop disease resistance.

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Field Application Cases

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Seedling stage: After foliar application, leaves remained dark green with no yellowing, effectively reducing the risk of bacterial diseases.

Lettuce: After application, seedlings were uniform and vigorous, with a significant reduction in disease incidence.

Potato: After application, plants showed strong growth and early senescence was noticeably alleviated.

Recommended Application

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Application Method	Crop	Application Period	Dosage	Spray Concentration
Foliar Spray/Sprinkler Application	Solanaceae crops (Tomato, Pepper)	Early fruit stage	1 kg/ha	0.5 kg per 1,000 L of water
	Fruit trees (Citrus, Apple, Grape, Cherry)	Early fruit stage	1 kg/ha	0.5 kg per 1,000 L of water
	Potato	Starch accumulation stage	1 kg/ha	0.5 kg per 1,000 L of water
	Melons, fruits and vegetables	Vegetative growth stage	1 kg/ha	0.5 kg per 1,000 L of water
	Strawberry	Fruit enlargement stage	1 kg/ha	0.5 kg per 1,000 L of water
	Kiwifruit	Post fruit set stage	1 kg/ha	0.5 kg per 1,000 L of water
	Vegetables	Vegetative growth stage	1 kg/ha	0.5 kg per 1,000 L of water
	Fruit trees	Fruit stage, color turning stage	1 kg/ha	0.5 kg per 1,000 L of water

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Honors and Qualifications

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latest News

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Durian Production in Malaysia — Status and Nutrient Program Recommendations

September 04 , 2026

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about us

CityMax-Global leading biostimulant partner

Since 2012, Citymax has provided high quality biostimulants -humic acid, fulvic acid, amino acids, seaweed extracts, chelated EDTA/EDDHA to growers and fertilizer producers in over 70 countries, developed more than 30 brand distributors and global OEM partnerships. As an honorary member of EBIC and China Biostimulant Committee, we hold OMRI, ECOCERT, and REACH certifications, continuously innovating to deliver sustainable agricultural solutions worldwide.