Researcher reports all treated trees had an annual application of 4 to 5 pounds of AZOMITE® for a four-year period.

Researcher reported that the owner pulled all trees that appeared decline-affected, including about 135 AZOMITE® treated trees that the researcher believed had started to recover, concluding a 22% decline decrease in the AZOMITE® treated trees compared to a 76% decline increase in the control trees.