Effective on annual

and poor soil conditions

With a unique mode of action and up to five weeks of residual control

Effective in mulch

but in a granular form

Main Event Dry Iron 10% Micros bag (3 lbs) Category_Landscape_Insecticides Effective on annualMain Event Dry Iron is a fully chelated micronutrient package designed to correct soil and plant nutrient deficiencies using blended extended release chelation technology. Its EDDHA chelated iron is highly effective in high pH soils, reducing nutrient tie up and restoring healthy plant growth. This 100% soluble powder mixes easily, stays in solution, and is non staining to concrete, clothing, and equipment.