EDDHA Ferric Chelate

1. Introduction

This premium iron supplement relies on stable molecular chelating structure to realizeroot absorption, leaf penetration, and in-plant efficient transportation. It effectively participates in the whole physiological process of plant chlorophyll synthesis, energy metabolism and growth development, fundamentally improving iron deficiency chlorosis, stunted root development, weak leaf photosynthesis and poor fruit development. With 100% water solubility and ultra-high biological activity, it is suitable for all types of crops, especially solves the stubborn iron deficiency problem of plants in alkaline and calcareous soil, becoming the core physiological nutrient regulator for modern high-yield and high-quality planting.

2. Specifications

All technical indicators are optimized for plant physiological absorption needs, with high active isomer ratio and ultra-low impurities, ensuring efficient absorption and utilization by plant roots and leaves, meeting international agricultural nutrient fertilizer standards.

3. Product Detail (Plant Physiological Mechanism & Absorption Principle)

Our high-purity EDDHA Fe is developed based on plant nutrient absorption physiology, breaking through the absorption bottleneck of traditional iron fertilizers. The core advantage lies in its stable ortho-ortho isomer molecular structure, which can wrap iron ions to form neutral, small-molecule chelating complexes. This structure avoids ion fixation by soil calcium, magnesium and carbonate, and perfectly matches the passive and active absorption mechanisms of plant roots and leaves, realizing full-channel nutrient supply for crops.

Root Absorption Mechanism: After being dissolved in water, EDDHA Fe molecules penetrate the soil colloidal layer quickly and gather around plant root hairs. Different from free iron ions that are easily blocked by root cell walls, the chelated molecular structure is neutral and low-molecular-weight, which can directly pass through root epidermal cell gaps and cell membranes. It enters the root vascular bundle, and is rapidly transported upward to stems, leaves and fruits through xylem vessels, solving the problem of root iron absorption inhibition in alkaline soil. It effectively activates root cell activity, promotes root hair proliferation and root system development, and enhances crop nutrient absorption capacity in general.

Leaf & Foliar Absorption Mechanism: When applied by foliar spraying, ultra-fine EDDHA Fe particles can penetrate leaf stomata and cuticle gaps. The chelated iron molecules will not damage leaf epidermal tissue, and can directly enter leaf mesophyll cells. It quickly supplements iron elements required for chlorophyll synthesis, repairs damaged photosynthetic systems, and accelerates carbon and nitrogen metabolism in plants. In addition, EDDHA Fe can migrate freely inside plant bodies, realizing bidirectional transportation up and down, balancing iron distribution in various tissues, and avoiding local iron deficiency and growth imbalance.

Core Physiological Function: As a key catalyst for plant photosynthesis and respiratory metabolism, the absorbed EDDHA Fe participates in the synthesis of chlorophyll, cytochrome and oxidase. It fundamentally improves leaf yellowing, leaf fading and growth stagnation caused by iron deficiency, promotes robust plant growth, increases leaf thickness and photosynthetic efficiency, and significantly improves fruit setting rate, fruit uniformity and crop yield and quality.

4. Core Features (Focus on Plant Growth & Physiological Effects)

Full-Crop Physiological Compatibility: High-purity O-O isomer structure is highly compatible with the absorption system of fruit trees, vegetables, field crops and ornamental plants. It fits the nutrient metabolism rules of all green plants, without rejection reaction, ensuring universal and efficient iron supplementation for all crops.

Dual Absorption Channel of Root & Leaf: Realize root soil absorption and leaf stomata penetration dual pathway supplementation. It works for both root fertilization and foliar spraying, solves the problems of poor root absorption in hardened soil and slow leaf nutrient supplement, and achieves all-round plant nutrition supply.

Anti-Fixation & Long-Term Physiological Activity: Stable chelating structure resists soil ion interference, will not be solidified and invalidated. After entering the plant body, it can maintain long-term metabolic activity, continuously participate in photosynthesis and enzyme reaction, and avoid repeated iron deficiency recurrence.

Activate Plant Metabolic Enzymes: Effectively activate plant nitrate reductase, peroxidase and other key metabolic enzymes, improve plant stress resistance (drought resistance, saline-alkali resistance, disease resistance), enhance crop vitality, and reduce weak seedlings and dead seedlings caused by nutrient deficiency.

Rapid Repair of Deficient Physiological Symptoms: Fast absorption and transportation speed, obvious physiological improvement in 3–5 days. It can quickly turn yellow leaves green, restore leaf photosynthetic function, promote root growth and seedling rejuvenation, and shorten the crop growth recovery cycle.

Non-Toxic & Safe for Plant Tissues: Ultra-low impurity formula, no corrosiveness and phytotoxicity. It will not burn roots, scorch leaves or damage plant cell tissues, suitable for seedling stage, flowering stage and fruiting stage of crops, and supports whole growth cycle application.

5. Our Advantages

Plant Physiological Targeted Formula: Different from ordinary industrial-grade EDDHA Fe with mixed isomers, our product is proportioned according to plant absorption characteristics, with O-O active isomer ≥4.8%. It maximizes plant iron absorption and utilization rate, avoids invalid nutrient components, and achieves targeted physiological regulation.

Strict Activity & Purity Screening: Adopt secondary purification technology to remove invalid isomers and heavy metal impurities. All products pass plant absorption activity testing, ensuring that each batch of products can efficiently act on plant root and leaf physiological systems, with stable growth improvement effect.

Stable Batch Physiological Effect: Standardized closed-loop production ensures consistent molecular activity and absorption efficiency of each batch of products. No fluctuation in crop improvement effect, suitable for large-scale farm continuous planting and long-term fertilizer matching.

Factory Direct Supply with High Cost Performance: Direct sales eliminate intermediate links, providing high-activity plant-grade EDDHA Fe at competitive prices. Help agricultural customers reduce planting input while improving crop quality and yield, and increase economic benefits.

Professional Plant Nutrition Technical Support: Equipped with professional agricultural physiologists, providing targeted fertilization solutions according to different crop growth stages, soil conditions and iron deficiency symptoms, guiding rational use to maximize physiological effects.

Global Agricultural Market Compliance: Meet international organic planting standards, no residual pollution. Suitable for export crop planting and organic agricultural production, with complete qualification documents and third-party test reports.

6. Q&A

Q1: Why is high-purity EDDHA Fe more suitable for plant physiological absorption than ordinary iron fertilizer?

A1: Ordinary inorganic iron and low-purity EDDHA Fe have unstable molecular structures, which are easily fixed in soil and cannot pass through plant root cell walls and leaf stomata. Our high-purity EDDHA Fe has ultra-high active O-O isomer content and 99% chelation rate, with small and neutral molecular structure. It perfectly matches the root and leaf absorption mechanism of plants, with higher absorption efficiency and better physiological activity, which can fundamentally solve crop iron deficiency problems.

Q2: How does EDDHA Fe affect plant root growth?

A2: EDDHA Fe can be efficiently absorbed by root hairs and epidermal cells, activate root cell metabolism and enzyme activity, promote the proliferation of new root hairs and the elongation of main roots and lateral roots. It improves root vitality and nutrient absorption capacity, avoids root aging and atrophy caused by long-term iron deficiency, and builds a robust root system to lay a foundation for crop high yield.

Q3: What physiological changes will occur in plant leaves after application?

A3: After leaves absorb EDDHA Fe, chlorophyll synthesis is rapidly promoted, leaf yellowing and chlorosis symptoms disappear, and leaves turn dark green and thick. The leaf photosynthetic rate is significantly improved, carbon and nitrogen metabolism is accelerated, leaf senescence is delayed, and the plant's photosynthetic product accumulation capacity is enhanced, which promotes overall plant growth.

Q4: Does EDDHA Fe work for crops in different growth stages?

A4: Yes. It is safe and effective for seedling stage, vegetative growth stage, flowering stage and fruiting stage. In seedling stage, it promotes seedling strengthening and root growth; in growth stage, it improves photosynthesis and accelerates growth; in flowering and fruiting stage, it reduces flower and fruit drop, improves fruit coloring and sweetness, and optimizes crop quality.

Q5: Will high-purity EDDHA Fe cause phytotoxicity to plant tissues?

A5: No. Our plant-grade EDDHA Fe has ultra-low impurities, stable chemical properties and mild molecular activity. It will not burn root systems, damage leaf cuticles or inhibit cell division within the safe dosage range. It is friendly to all plant tissues and suitable for long-term continuous use.

Q6: What is the difference between root application and foliar spraying in physiological effects?

A6: Root application focuses on long-term regulation, improving soil iron availability and cultivating robust root systems to enhance the overall stress resistance of crops; foliar spraying takes effect quickly, rapidly supplements leaf iron elements, repairs photosynthetic damage, and improves crop growth state in a short time. The combination of the two can achieve complementary physiological effects and the best planting results.

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