Berries grown in Oklahoma are mainly blackberries, raspberries, strawberries, blueberries and grapes. The culture ranges from easy to difficult and most of the berry groups will have different requirments.
During the summer, diesel will weigh between 6.951 (API 38) and 7.076 (API 35) pounds per gallon. Last winter, the diesel weighed around 7.206 (API 32) pounds per gallon. Regular unleaded gasoline weighs around 6.184 (API 59) pounds per gallon and premium usually has an API of 56, or 6.263 lbs per gallon.
A semi truck gasoline tanker holds 9,000 gallons, give or take. The capacity is usually controlled by the 80,000 lb gross weight limit for trucks in the US. (I can't speak for other parts of the world.) A gallon of gasoline weighs about 7 lbs, and the truck weighs quite a bit itself, so you don't see liquid hydrocarbon tanks exceed 10,000 gallons.