1213 Larch Ave
Kalona, IA 52247

Vertex-ST Corn Seed Treatment

Vertex-ST is a seed treatment for corn that combine two great TerraMax Products: MicroAZ-IF and Micro PSB-IF in to one amazing product for ease of use and greater yield potential.

The proven performance of MicroAZ-IF and Micro PSB-IF in Vertex-ST gives the plant the benefits of fixing atmospheric nitrogen and increasing root growth through the stabilized bacteria Azospirillum and it also has the benefit of improving the availability and efficiency of phosphorus in the soil using phosphorous solubilizing bacteria called Pseudomonas..


  1. Fixes Atmospheric Nitrogen (NFB)
  2. Stimulates Root Growth
  3. Releases Phosphorous From Soil Particles
  4. Compatible With Most Starter Fertilizers


Learn more about Vertex-ST.