> "You could permanently denial of service to that farm just by simply over spraying one season, by literally loading up the fertile ground with too many chemic

> "You could permanently denial of service to that farm just by simply over spraying one season, by literally loading up the fertile ground with too many chemicals." Conceivably you could load up the soil with chemicals to an extent that it takes many years for sufficient breakdown to occur. But if you've filled up your tank to spray 100 acres and it runs dry after covering one acre, you're not exactly going to fill up 99 more times.