The plants develop huge root systems, which resist drought. Insects are repelled by the healthy juices of the plants. Foods become more flavorful and satisfying. Both yields and quality increase. The plants become more heat and frost resistant.
Diseases become rare events.
And so on. Too much of a good thing can be very harmful. Powdered rock, on the other hand, is practically insoluble, and so it cannot cause an imbalance, nor can it pollute the ground water or streams. It could make a World of difference. This information is condensed from the writings of John Hamaker, Don Weaver, Larry Ephron and Joanna Campe.