Multiplex Magnum Mn – Chelated Manganese (12%) Micronutrient for All Crops
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Multiplex Magnum Mn (Manganese EDTA 12%) | Premium Chelated Micronutrient
Cure "Hidden Hunger" and Boost Crop Immunity with High-Stability Manganese.
Multiplex Magnum Mn is a specialized micronutrient fertilizer containing 12% Manganese in a chelated EDTA form. Unlike standard sulfate salts that get locked up in the soil, this advanced chelated formula ensures your crops actually absorb the nutrients they need. It effectively treats Manganese deficiency, cures yellowing between veins, and corrects specific disorders like "Gray Speck" in cereals and "Pahala Blight" in sugarcane.
Best For: Correcting chlorosis (yellowing), improving photosynthesis, and strengthening plants against fungal diseases.
Why Choose This Product? Key Benefits
- ⏱️Fast-Acting Correction: The EDTA chelation acts like a protective claw, preventing the Manganese from getting fixed in the soil. This ensures 100% availability and rapid absorption by plant leaves.
- ?️Disease Resistance Builder: Helps plants produce Lignin, which toughens cell walls. This acts as a physical shield, making it harder for fungal pathogens like Brown Spot and viral infections to penetrate the crop.
- ⏳High Stability Formula: Remains effective in a wide range of soil pH levels and tank mixes. It is far superior to Manganese Sulfate, which often precipitates and becomes useless in alkaline soils.
- ?️Photosynthesis Booster: Manganese is the "battery" for the water-splitting reaction in photosynthesis. Magnum Mn restores chlorophyll function, turning yellow leaves green and maximizing energy production.
- ?Complete Crop Safety: Designed as a gentle, water-soluble powder that won't scorch leaves when used as directed, making it safe for sensitive stages like flowering and fruit setting.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Multiplex Magnum Mn |
| Technical Name | Manganese EDTA 12% |
| IRAC/Fert. Code | FCO Standard Micronutrient |
| Chemical Group | Chelated Micronutrient Fertilizer |
| Formulation | Water Soluble Powder (Pale Pink) |
| Solubility | 100% Soluble in Water |
How It Works: Mode of Action
Manganese is a "transition metal" that acts as a spark plug for plant metabolism. Magnum Mn delivers this nutrient in a protected form that enters the plant system immediately.
- Activates Photosynthesis: It powers the "Oxygen Evolving Complex" (OEC) in leaves, which is responsible for splitting water molecules and releasing oxygen. Without this, plants cannot create energy from sunlight.
- Enzyme Regulation: It activates critical enzymes in the Krebs cycle (respiration) and helps process Nitrogen. This prevents the buildup of toxic ammonia in plant tissues and aids in protein synthesis.
- Structural Defense: It catalyzes the production of lignin and phenolic compounds. These materials harden the plant skin (cuticle), creating a tough physical barrier that stops fungi and insects from penetrating.
Result: A greener, stronger plant that photosynthesizes efficiently and fights off diseases naturally.
Target Crops & Pests (Deficiencies)
| Crop | Prevents/Cures |
|---|---|
| Cereals (Wheat, Oats, Barley) | "Gray Speck" disease (necrotic spots), Leaf Kinking, Interveinal Chlorosis. |
| Sugarcane | "Pahala Blight" (leaf splitting & red streaks), Yellowing of young leaves. |
| Paddy (Rice) | Brown Spot Disease susceptibility, Poor tillering, Chlorosis in upland rice. |
| Vegetables (Tomato, Cotton) | "Crinkle Leaf" in cotton, Reticulate chlorosis, Flower abortion. |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Field Crops (Rice, Wheat, Maize) | 100 g | 200 L | 0.5 g | - |
| Vegetables & Horticulture | 100 g - 200 g | 200 - 400 L | 0.5 g | - |
| Plantations (Sugarcane, Fruit Trees) | 250 g - 500 g | 500 - 1000 L | 0.5 g | - |
*PHI = Pre-Harvest Interval: No specific PHI is mandated for micronutrients, but stop spraying 15 days before harvest.
How to Apply: Best Practices
- Timing: Spray during the cool hours of the day (early morning or late evening) to ensure the liquid stays on the leaf longer for maximum absorption.
- Mixing: Always perform a "Jar Test" first. Add Multiplex Magnum Mn to the tank last. Use a wetting agent (like Multiplex Maxiwet) to help the spray spread evenly on waxy leaves.
- Coverage: Ensure thorough coverage of the foliage, spraying both the upper and underside of leaves where stomata are located.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid inhaling the powder dust.
Frequently Asked Questions
1. Why is EDTA chelated Manganese better than Manganese Sulfate?
Manganese Sulfate is unstable and often reacts with soil elements to form insoluble stones that plants can't eat. Magnum Mn (EDTA) is "shielded," ensuring 100% of the nutrient remains available for the plant to absorb, even in alkaline soils.
2. Can I mix Magnum Mn with other pesticides?
Yes, it is compatible with most common insecticides and fungicides (like Mancozeb or Carbendazim). However, DO NOT mix it with high-phosphate fertilizers or highly alkaline products like Bordeaux mixture.
3. How do I know if my crop needs Manganese?
Look for "interveinal chlorosis" on younger leaves—this means yellowing between the green veins. In cereals, look for gray/brown spots or lines on the leaves (Gray Speck).
4. When is the best time to spray?
For field crops, the first spray is recommended 20-25 days after sowing/transplanting (vegetative stage). A second spray can be done 15-20 days later, before flowering begins.
5. Is this product safe for hydroponics?
Absolutely. The EDTA chelation makes it highly stable in nutrient solutions with varying pH levels, making it the preferred source of Manganese for soil-less farming.
Safety & Disclaimer
Always read and follow the instructions on the official product label. The information provided here is for guidance only. Use personal protective equipment (PPE) during application. Do not mix with phosphate-heavy fertilizers.