Sulfates

Micronutrients in sulfate form are typically recommended for dry broadcast applications to the soil. This form of micronutrients is also water soluble; although, copper sulfate may be problematic to mix with water depending on water properties.

Copper Sulfate
Iron Sulfate
Zinc Sulfate
Manganese Sulfate

Chelates

Chelated elements are not recommended for use in foliar applications. Best results are seen when chelated micronutrients are placed in the soil with a starter fertilizer in-furrow or beside the row.

Chelated Copper
Chelated Iron
Chelated Zinc
Chelated Manganese

Nitrates

When it comes to plant availability and effectiveness of trace minerals in foliar sprays, the nitrate form sets the bar. As an added benefit, they mix well with International Ag Labs foliar products such as AMAZE and Bloomit®.

Ferric Nitrate
Manganese Nitrate
Zinc Nitrate
Copper Nitrate

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