Final answer:
Geographic departmentalization would be the best for AgriProducers due to the variations in crops and soil across different regions of the United States.
Step-by-step explanation:
The best type of departmentalization for AgriProducers would be geographic. This is because AgriProducers has customers all over the United States and the crops and soil vary in different regions of the nation. By using geographic departmentalization, AgriProducers can divide its operations and resources based on the different needs and characteristics of each region, allowing them to provide specific advice and services to improve productivity and quality in each area.