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Description: This rotary disk mower is towed by a tractor that supplies power through a power take off (PTO) to rapidly rotate the disks (see NAL #4830) that cut the forage. Equipped with a conditioner, the cut forage passes between rollers that crush the stems, thereby reducing drying time. This mower is designed to funnel the crushed forage into a windrow behind the mower to facilitate pickup for baling or chopping. By contrast, some mowers leave the hay in swaths behind the mower to provide greater surface area and thereby facilitate drying. When the swath of forage has dried, the hay is raked (eg, NAL #3469) into a windrow to facilitate pickup by a chopper or baler. Without a conditioner, the leaves may be overly dry by the time the stems have dried sufficiently for baling hay, leading to lost leaf nutrients during windrowing and baling. Thus, conditioners reduce drying time, increase retention of nutrient rich leaves on the stems, and reduce the risk of rain damage before the forage can be chopped or baled. Several rotary disk mowers are illustrated in NAL #4830 through #4836.

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