GROBOMB®
Functional Magnesium Fertilizer
Root Activation. Stress Support. Better Growth.
Nourish the Root · Strengthen the Plant . Support Fruit Development
GROBOMB® is a functional enhancer that can be incorporated into various fertilizer systems to unlock greater potential for root development, stress resistance, and crop performance.
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Root Activation Supports root growth under low temperatures.
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Rhizosphere Conditioning Supports roots in saline-alkali soils.
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Vigorous Plant Growth Promotes green foliage and strong seedlings.
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Fruit Development Support Supports fruit size and uniform development.
WHY CHOOSE GROBOMB®?
GROBOMB® combines magnesium and sulfur nutrition with trace elements and a proprietary active conditioning system to help crops under challenging conditions achieve better root development, stronger growth, and improved fruit quality.
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Low-Temperature Support Supports root activity when soil temperature is below 15°C.
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Saline-Alkali Stress Support Improves soil environment and reduces salt stress.
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Magnesium & Sulfur Nutrition Essential for chlorophyll synthesis and plant metabolism.
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Micronutrient Support Zinc and boron help promote plant vigor and quality.
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Active Conditioning System Contains polyglutamic acid and a proprietary active conditioner.
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Better Yield & Quality Supports healthy growth and fruit development.
TYPICAL ANALYSIS (AS TESTED)
| Parameter | Specification | Typical Value |
|---|---|---|
| Magnesium Oxide (MgO) | ≥11.0% | 14.0% |
| Sulfur (S) | ≥10.0% | 12.5% |
| Zinc (Zn) | ≥0.02% | 0.032% |
| Boron (B) | ≥0.02% | 0.030% |
| Polyglutamic Acid | ≥150 mg/kg | 156 mg/kg |
| pH | 5.5–7.5 | 6.6 |
| Water-Insoluble Matter | ≤0.02% | 0.01% |
| Appearance | White Crystalline Granules | White Granules |
Standard: HG/T 2680-2017
All test results comply with HG/T 2680-2017.
Water-Soluble Granules
Easy to dissolve and absorb.
High-Purity Raw Materials
Ensure consistent performance.
Stable & Safe
Reliable quality and safe to use.
Conventional Fertilizer vs. GROBOMB®-Enhanced Fertilizer
See How GROBOMB Adds Functional Value to Your Fertilizer
GROBOMB® is designed to work with conventional fertilizer systems rather than replace them. By incorporating GROBOMB®, existing nutrient supply is complemented with additional functional support for root development, stress management, rhizosphere conditioning, and crop development.
- MKP VS MKP+GROBOMB
- MAP VS MAP+GROBOMB
- DAP VS DAP+GROBOMB
- UP VS UP+GROBOMB
- Amino Acid VS Amino Acid+GROBOMB
Wheat
Comparative trial of MKP and MKP + GROBOMB, recorded on July 31, 2026, with plant observations conducted on August 5, 2026. The trial showed visible differences in root development and overall plant growth, demonstrating the potential of GROBOMB to add functional value to conventional fertilizer programs.Trial Comparison
MKP vs. MKP + GROBOMB
Observation Date: July 31, 2026 Photo Date: August 5, 2026Key Observations
- Root development
- Plant growth
- Overall plant vigor

Field Crops
Comprehensive crop nutrition programs for corn, wheat, rice, barley,
and other cereal crops. Improve nutrient efficiency, increase yields,
and enhance crop quality throughout the growing season.
Recommended Fertilizers
- Urea 46-0-0
- Ammonium Sulfate
- NPK Compound Fertilizer
- UAN 32 Solution
- PCU Controlled Release Urea

Fruits
Professional nutrition programs for citrus, apples, grapes, berries,
and tropical fruits. Improve fruit size, color, sweetness, and overall
yield for premium market quality.
Recommended Fertilizers
- NPK Fruit Fertilizer
- Urea 46-0-0
- Potassium Sulfate
- Calcium Nitrate
- Magnesium Sulfate

Fruits
Professional nutrition programs for citrus, apples, grapes, berries,
and tropical fruits. Improve fruit size, color, sweetness, and overall
yield for premium market quality.
Recommended Fertilizers
- NPK Fruit Fertilizer
- Urea 46-0-0
- Potassium Sulfate
- Calcium Nitrate
- Magnesium Sulfate

Fruits
Professional nutrition programs for citrus, apples, grapes, berries,
and tropical fruits. Improve fruit size, color, sweetness, and overall
yield for premium market quality.
Recommended Fertilizers
- NPK Fruit Fertilizer
- Urea 46-0-0
- Potassium Sulfate
- Calcium Nitrate
- Magnesium Sulfate
APPLICATION METHODS
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Base Application Apply to soil as a basal fertilizer.
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Fertigation Suitable for fertigation and flushing.
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Drip Irrigation Can be used in drip irrigation systems.
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Foliar Application Dilute before foliar spraying.
RECOMMENDED DOSAGE
Adjust dosage based on soil fertility, crop type, and growth stage.
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Spray Time: Before 10:00 a.m. or after 4:00 p.m.
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Avoid high temperatures and strong sunlight.
SUITABLE CROPS
Fruit Crops
Vegetable Crops
Field Crops
Melons & Berries
Other Cash Crops
IDEAL FOR CROPS UNDER
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Low-Temperature Stress
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Saline-Alkali Soils
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Challenging Growing Conditions
APPLICATION METHODS
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Activate Root Meristem Releases bioactive signals in the rhizosphere to stimulate root cell division and new root formation. -
Improve Rhizosphere Environment Chelates excess soluble salt ions and helps improve soil structure for better root activity. -
Enhance Photosynthesis Boosts chlorophyll and Rubisco activity to increase photosynthate accumulation. -
Support Fruit Development Regulates cell division and elongation for uniform fruit enlargement and improved quality.
KEY BENEFITS
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Promotes vigorous root growth under low-temperature stress
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Improves soil structure and stress resistance
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Increases chlorophyll content and plant vigor
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Reduces salt stress and supports healthy roots
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Supports fruit enlargement and reduces cracking
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Improves yield and fruit quality
PACKING
KEY BENEFITS
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Do not mix with strongly alkaline fertilizers or pesticides.
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Combine with organic fertilizers for long-term use.
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Store in a cool, dry, and well-ventilated place.
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Use promptly after opening the package.
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Keep away from children and livestock.
GROW BETTER WITH GROBOMB®
A functional magnesium fertilizer designed to activate roots, support plant growth, and improve fruit quality.
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Stronger Roots
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Healthier Plants
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Better Fruits
PRODUCTS THAT MIGHT INTEREST YOU
42-0-0 High Nitrogen Fertilizer
Potassium Phosphite Solution
UAN 32 Fertilizer
