Manganese Sulfate 31% Powder (5 lb bag)

Manganese Sulfate 31% Powder (5 lb bag) is a highly soluble micronutrient supplement that corrects manganese deficiencies and supports healthy plant development. Manganese plays a key role in photosynthesis, enzyme activation, and nitrogen metabolism, helping plants build strong roots, lush foliage, and resistance to stress.

At a glance

• Type: Water-soluble micronutrient supplement
• Analysis: 31 percent manganese, 18 percent sulfur
• Form: Powder
• Size: 5 lb bag
• Application: Soil, foliar spray, or fertigation

Best for

• Correcting yellowing leaves and stunted growth
• Supporting photosynthesis and nitrogen use
• Field crops, orchards, and greenhouses
• Hydroponic and fertigation systems
• Improving nutrient uptake and stress tolerance

How to use

For soil application, broadcast 20 to 60 lb per acre pre-plant or at planting, or use 10 to 30 lb per acre banded or side-dressed, ideally with at least 50 lb of ammonium sulfate per acre. For foliar feeding, apply 1 to 3 lb per acre to actively growing plants just before full leaf expansion, ensuring thorough coverage. It is also compatible with irrigation systems for even distribution.

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Grow Organic supplies seeds, plants, and garden supplies for organic and sustainable growing, helping home gardeners and small farms cultivate healthy, productive gardens.