Southern Ag Aluminum Sulfate can be applied using a spreader if covering a large area, or by hand wearing gloves for smaller applications. This is most often used around acid-loving trees and shrubs. Be sure to water the product into the soil after application. You can view the full product label here.
This Aluminum Sulfate is not labeled for vegetables or edibles. This product is only labeled for use on acid- loving plants such as Azaleas, Rhododendrons, Camellias, Gardenias, Holly, Blueberries, Yew, Dogwood, Viburnum, Laurel, Cedar, Hemlock, and Black Alder.
You may wish to contact the manufacturer Southern AG directly for product support and additional inquiries by calling (941) 722-3285 or by visiting their website's contact page here.