A pump-over fermentation tank has a valve between the pump-over chamber and fermentation chamber providing multi-directional diffusion of the pump-over liquid into the fermentation or extraction chamber. The cot comprises a wheeled transporter, having a frame and legs, and a leg release assembly. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHP5E through backcross conversion andor transformation, and to the maize seed, plant and plant part produced thereby.