Abstract: A crop blower apparatus includes a blower for providing a stream of forced air. There is a mechanism for powering the blower and a discharge duct connected to the blower for providing a directed curtain of air and a frame for mounting the blower forwardly of the knife of a harvester. There may be a plurality of blowers having discharge ducts which are juxtaposed so as to discharge a substantially continuous curtain of air. The blowers may have coaxial drive shafts which are interconnected.

Abstract: An apparatus for drying a stack of hay bales which includes a movable dryer for placement against a first end of the stack and an air and moisture impervious flexible sheet for covering the dryer and a top and sides of the stack. An air fan coupled to the dryer is operable to draw air through the stack from an open thereof into the dryer and to discharge the air from the dryer to atmosphere.