thoughtDoes the predator-prey theory in Volterra principle the key to chemical free farming?

Book: Prodigal Summer
Author Barbara Kingsolver
Does the predator-prey theory in Volterra principle the key to chemical free farming?
Prodigal summer is mainly about man, the head of the food chain, co-existing with nature and using the right methods to control the population of organisms lower in the food chain, hence, preventing any group to get over populated and become pests.
After reading the book it become clearer to me that most farmers may not have understand what one of their biggest enemy, pests. Farmers are taught to use chemicals to rid these pests from their farms yet this method caused you to me hooked to buying these ever rising-cost chemicals with devastating health effects. Nanny Rawley spoke of a Volterra Principle on page 274-275, which is using a predator-prey balance to keep the insects and animals we call pests in check so as not to affect our crops.
The Volterra principle, a mathematical principle adapted into farming suggests that if you intervene with natures balance like using a mass killer like most pesticides would cause the animal in lower food chain to increase and the opposite effect for the higher order organisms in the food chain. In order to better understand the ideas and themes of this book, it would be an asset to understand the Volterra principle.
If the Volterra Principle is found to be true when applied to farming, it would be a breakthrough and provide foods that are free of chemicals, hence, beer food security and healthier foods for consumers. Since over 50% of the United States population gets their water from the underground water system that is mainly polluted with pesticides from farming, this would benefit a whole lot of people. This would also lessen the cost of production, hence lowering food prices worldwide while improving quality.