Supra-Key 8% Liquid Manganese is a highly available source of manganese formulated to prevent and correct manganese deficiency in crops. Applied as a foliar spray or soil treatment, this chelated micronutrient helps improve plant metabolism, support green leaf color, and maintain healthy growth during critical stages.
Manganese is an essential micronutrient that:
- Activates enzymes critical for photosynthesis, respiration, and carbohydrate metabolism
- Supports chlorophyll formation and green leaf color
- Improves nitrogen assimilation and nutrient cycling
- Helps maintain stress tolerance and strong plant function
Nutrient Features:
- Manganese (Mn) — 8.00% (Chelated, Water Soluble)
- Sulfur (S) — 4.50%
Derived from manganese sulfate and manganese citrate
Application & Timing
Foliar Application:
- Apply when deficiency symptoms first appear or as part of a micronutrient program.
- Mix with sufficient water for thorough coverage.
- Coverage and timing should be matched to crop growth stage and tissue test results.
Soil Application:
- Can be used in soil treatments where soil or tissue tests indicate manganese deficiency.
- Consult agronomist for placement and rate guidance.
Key Benefits:
- Rapid correction of manganese deficiency
- Chelated formulation for superior uptake and mobility
- Can be applied foliar or soil
- Helps maintain dark green color and plant energy
- Suitable for most crops — row, vegetable, fruit, and specialty
- Compatible with many liquid fertilizers and spray programs
*Always jar test for compatibility and follow crop protection labels when tank mixing.

