Figure 1. Seed stack arrangement and location of thermocouples in two stacks of soybean seed. Each stack consists of 160 bags comprised of four pallets, each containing 40 bags infive layers of eight bags each. The term "location" refers to the placement of thermocouples in the bottom, middle, and top of the stack. The term "position" indicates the placement of the thermocouples in an outer or inner bag with respect to the stack.