University of Missouri Extension service has documentation on lots of stuff. They will send it to you for free. Give them call.
https://www.google.com/search?q=university+of+mo+extension+sv+near+lebanon+mo&rlz=1C9BKJA_enUS855US855&oq=university+of+mo+extension+sv+near+lebanon+mo&aqs=chrome..69i57.25975j0j7&hl=en-US&sourceid=chrome-mobile&ie=UTF-8