Monterey Sequestar Iron 6% 3-0-0 is applied as a soil drench only as directed on the product label, it cannot be applied to the foliage. Trees (including fruit, citrus and nut trees) Apply ½ to 2 oz. for each inch of trunk diameter measured at chest height.
Monterey Sequestar Iron 6% 3-0-0 in a 4oz bottle or a 4lb bag have the same strength in each container size.
Granular products such as Monterey Sequestar Iron 6% 3-0-0 would be measured by weight.
Please be sure to review the product label for more information and complete application instructions.