With that 15 gallon Sprayer you should be able get your first acre finished by Halloween if you start tonight.
Nothing wrong with Texas Tea you just have the wrong set up for it. 15 gallon sprayers were made for chemicals.
Organics are great when use along with Chemicals. Chemical are what freed the world of many diseases and allowed the few to feed the many. American Agriculture is one of the last Industry that products anything for export. Without Chemicals, American Agriculture would go the way of the wind like the rest of the economy.
Chemical don't harm the environment. The people who over use them harm the environment. Use IPM and BMP along with Organics. But come into the 21st century and realize Chemical have there place. No don't over use them.
it is one thing to do a off label applications. It is total stupidity to post it on the world wide web and expect people to approve.
You can lead a Donkey to water but you can't make the Jackass Drink