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In a rotary brush cutter with a rotating shaft, a plurality of cutting blades extending substantially radially from the shaft and a drive for rotating the shaft, herbicide is fed adjacent a cutting portion of the blades while the blades are rotated whereby the herbicide is applied to brush being cut

In a rotary brush cutter with a rotating shaft, a plurality of cutting blades extending substantially radially from the shaft and a drive for rotating the shaft, herbicide is fed adjacent a cutting portion of the blades while the blades are rotated whereby the herbicide is applied to brush being cut.

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In a rotary vegetation cutter with a rotating shaft, a plurality of cutting blades extending substantially radially from said shaft and power means for rotating said shaft, the improvement comprising means for feeding herbicide adjacent a cutting portion of at least one of said blades while said bla

In a rotary vegetation cutter with a rotating shaft, a plurality of cutting blades extending substantially radially from said shaft and power means for rotating said shaft, the improvement comprising means for feeding herbicide adjacent a cutting portion of at least one of said blades while said blades are rotated, whereby said herbicide is applied to vegetation as it is cut, said herbicide feeding means including a reservoir for said herbicide, a distributor manifold concentric with said shaft, tube means from said reservoir to said manifold, and feed conduit means from said manifold to port means opening along at least one of said blades radially inboard of a radially outer end of said blade, said distributor manifold including a cup mounted on and around said shaft adjacent said blade for rotation therewith, a collar fixed against rotation axially above said cup, and seal means between said cup and said collar, said tube means communicating with the interior of said collar and said feed conduit means communicating with the interior of said cup.