My post was really intended for other readers who may have unrealistic expectations or who may claim it's a snake oil for not working immediately. I always like to stress the importance of complete programs rather than relying on a single product.
You're taking the best approach by testing a small amount and reporting back to others. Thanks for doing so.
Have you taken root samples now to compare with next spring?
The nation that destroys its soil destroys itself.
Franklin D. Roosevelt