GROWMAX-Fe

A High-Efficiency EDTA-Chelated Iron Fertilizer Enhancing Chlorophyll Formation, Photosynthesis Recovery, and Healthy Crop Growth.

Product Details	Yellowish-brown powder
Fe	≥12.8%
pH（1：100 dilution）	3.5-5.5

Advanced EDTA chelation protects iron from oxidation and fixation, ensuring stable availability and efficient absorption under diverse soil conditions.
Rapidly corrects iron deficiency and chlorosis, restoring chlorophyll synthesis and photosynthesis for vigorous and balanced crop growth.
High absorption efficiency in molecular form delivers faster greening effects compared with conventional inorganic iron fertilizers.

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Details

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GROWMAX-Fe is a highly efficient chelated iron fertilizer formulated with advanced EDTA chelation technology, which protects iron from the influence of soil and air, preventing oxidation and fixation. This ensures iron remains stable and can be efficiently absorbed and utilized by crops. The product effectively prevents and corrects physiological disorders caused by iron deficiency, especially leaf chlorosis. By promoting chloroplast formation and restoring photosynthesis, GROWMAX-Fe helps crops quickly regain normal growth and vitality. It maintains high stability across a wide soil pH range from 4 to 9 and is absorbed in molecular form, providing a significantly higher absorption and utilization rate than conventional inorganic iron fertilizers. When applied as a foliar spray, leaves rapidly turn green, delivering fast and visible results while supporting long-term healthy crop growth.

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Benefits

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• EDTA-chelated iron ensures high stability and resistance to oxidation and fixation.
• Maintains effectiveness across a wide soil pH range (4–9).
• Molecular absorption form delivers higher utilization efficiency than inorganic iron.
• Rapid foliar response with fast greening and photosynthesis recovery.

• Effectively prevents and corrects iron deficiency chlorosis.
• Promotes chloroplast formation and improves photosynthetic efficiency.
• Excellent compatibility with most neutral or weakly alkaline fertilizers and pesticides.
• Saves labor and time through easy tank mixing and flexible application.

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Field Application Cases

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Kiwifruit treated with GROWMAX-Fe showed effective correction of iron deficiency chlorosis, restored leaf greenness, improved chlorophyll synthesis, and enhanced photosynthetic activity.

Hami melon treated with GROWMAX-Fe demonstrated improved iron availability, healthier leaf color, enhanced metabolic activity, and more stable vegetative growth during key development stages.

Plum treated with GROWMAX-Fe exhibited improved micronutrient balance, stronger leaf vitality, enhanced photosynthesis, and better overall tree growth supporting fruit development.

Recommended Application

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Application Method	Crop	Application Period	Dosage	Spray / Irrigation Concentration
Root Irrigation / Sprinkler Irrigation Root	Solanaceae crops (Tomato, Pepper)	Flowering stage, early fruit stage	7–15 kg/ha	1 kg per 1,000 L of water
	Fruit trees (Citrus, Apple, Grape, Cherry)	Pre-flowering stage, early fruit stage	7–15 kg/ha	1 kg per 1,000 L of water
	Potato	Flowering stage, starch accumulation stage	7–15 kg/ha	1 kg per 1,000 L of water
	Melons, fruits and vegetables	Vegetative growth stage	7–15 kg/ha	1 kg per 1,000 L of water
	Strawberry	Pre-flowering stage, fruit enlargement stage	7–15 kg/ha	1 kg per 1,000 L of water
	Kiwifruit	Early fruit stage, post fruit set stage	7–15 kg/ha	1 kg per 1,000 L of water
Foliar Spray	Vegetables	Vegetative growth stage	1 kg/ha	1 kg per 1,000 L of water
Foliar Spray	Fruit trees	Flowering stage, fruit stage, color turning stage	1 kg/ha	1 kg per 1,000 L of water

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Honors and Qualifications

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latest News

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about us

Welcome to CityMax Group

Citymax group was established in the ancient city of Xi’an. With subsidiaries:Xi’an Citymax AgroChemical Co.,Ltd., Xi’an Greenfert Crop Science Co.,Ltd., Shaanxi Citymax Agrotech Co.,Ltd.