How much pesticide solution should the farmer place in a 350 gallon tank in order to treat his 45 acre field?

The amount of pesticide solution needed would depend on the concentration recommended for the specific pesticide being used. The farmer should refer to the product label for the recommended application rate per acre and then calculate the total amount needed for the 45-acre field. This total amount should then be mixed into the 350-gallon tank as per the instructions to treat the field effectively.