A combine is provided with an improved system for collecting agricultural material, such as stover, from an agricultural field and separating desired parts of the stover, such as corncobs, from undesired parts. The blade has an overall thickness and a leading edge with a blunt surface and a beveled surface. The method employs this receptionprovision apparatus. For example, the impedance of the receiving antenna may be greater than the impedance of the transmitting antenna by a factor of 103. The samples can either be passed in series through the plurality of wet-processing stations, or can be passed in parallel through the wet-processing stations. The light emitting layer is disposed on the first electrode layer and the second electrode layer is disposed on the light emitting layer.