A controlled-release fertilizer composition is provided that is substantially coated with an impermeable layer. The structure includes a switching element that can be switched off during testing of the sensor and then switched back on to provide ESD shunting to the sensor. Aerodynamically shaping antenna structure to enclose an antenna element grid provides additional antenna structure volume, which is efficiently utilized by locating antenna support equipment within the antenna structure. The gaming device responds by accessing a corresponding payout parameter from the memory which may be a monetary amount, a video presentation segment or a combination thereof.