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Zinc Sulphate Monohydrate

Zinc Sulphate Monohydrate (ZnSO₄·H₂O) is a highly effective and widely used inorganic micronutrient fertilizer. It provides zinc (Zn) in a readily available sulphate form, essential for correcting zinc deficiency in crops. Zinc is a vital component of numerous enzymes involved in plant growth regulation, protein synthesis, and auxin production. This fertilizer is particularly crucial for cereals like rice and corn, as well as fruit trees, where zinc deficiency can severely limit yields. Its high solubility ensures quick plant uptake through soil application or foliar sprays, making it a cornerstone of modern micronutrient management.

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Product Details

1.Key Features

High Zinc Content: Contains a high concentration of zinc (typically 33-36% Zn), making it an efficient source for correcting deficiencies.

Sulphate Formulation: The sulphate (SO₄²⁻) component enhances the mobility and availability of zinc in the soil and within the plant.

Excellent Water Solubility: Dissolves completely in water, allowing for versatile application methods, including fertigation and foliar spraying.

Quick Correction: Provides zinc in a form that plants can absorb immediately, leading to rapid recovery from deficiency symptoms.

Cost-Effective: Offers one of the most economical ways to supply zinc to crops on a large scale.

2.Primary Functions and Benefits

Function	Benefit to Plants	Agronomic Advantage
Enzyme Activation	Zinc is a cofactor for over 300 enzymes involved in metabolic processes.	Essential for carbohydrate metabolism, protein synthesis, and growth regulation.
Auxin Synthesis	Critical for the production of auxin (IAA), a key plant hormone that controls cell elongation and division.	Promotes normal shoot and root development, preventing the stunted growth characteristic of zinc deficiency.
Chlorophyll Production	Plays a role in chlorophyll formation and chloroplast development.	Maintains healthy, green foliage and maximizes photosynthetic efficiency.
Stress Tolerance	Enhances plant resilience to environmental stresses such as heat, drought, and disease.	Reduces crop losses under adverse conditions.

3. Target Crops and Application Scenarios

Zinc-Deficient Soils: Soils that are sandy, calcareous (high pH), low in organic matter, or have high phosphorus levels are prone to zinc deficiency.

Highly Sensitive Crops: Rice, corn, soybeans, citrus, grapes, and pecans are particularly susceptible to zinc deficiency and show strong yield responses to zinc fertilization.

Application Timing: Best applied at planting (as a basal dose) or during the early growth stages to prevent deficiency. Foliar sprays can be used for quick correction when symptoms appear.

4. Application Guidelines (General)

Soil Application:

Broadcast: Apply 5-15 kg per hectare and incorporate into the soil before planting.

Band Application: Apply 2-5 kg per hectare in bands near the seed for greater efficiency.

Foliar Spray:

Dilution: Dissolve 1-2 kg of Zinc Sulphate Monohydrate in 1000 liters of water.

Spray: Apply evenly on leaves, 2-3 times during the growing season, especially during the early stages of growth.

Seed Treatment: A low concentration solution can be used to coat seeds before sowing, ensuring early availability of zinc to the seedling.

Precautions: Avoid mixing with concentrated alkaline solutions (e.g., some pesticides) as it may cause precipitation. Do not over-apply, as excessive zinc can be toxic to plants and may interfere with the uptake of other nutrients like phosphorus and copper.

5.Product Specifications (Typical)

Parameter	Specification
Chemical Formula	ZnSO₄·H₂O
Zinc (Zn) Content	33% - 36%
Sulphur (S) Content	15% - 18%
Appearance	White crystalline powder
Water Solubility	Highly soluble in water

6.Zinc Deficiency Symptoms

Stunted Growth: Plants are shorter than normal with shortened internodes.

Leaf Symptoms: Interveinal chlorosis (yellowing between the veins) on younger leaves; small, narrow leaves ("little leaf" syndrome).

Rosetting: Leaves clustered at the ends of stems due to shortened internodes.

Reduced Yield: Poor fruit set, smaller fruits, and significantly lower grain yields.

Note: Zinc Sulphate Monohydrate is the most widely used zinc fertilizer due to its high effectiveness, solubility, and cost-efficiency. For soils with extremely high pH (alkaline soils), chelated zinc may be more effective, but Zinc Sulphate remains the standard choice for most agricultural applications. It is a fundamental tool for ensuring optimal crop nutrition and maximizing yields in zinc-deficient soils.

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Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.

Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.

Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.

Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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Zinc Sulphate Monohydrate