Ballmark repair tool evaluation
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For both firm and soft bentgrass greens (Pennlinks), The GreenFix Wizard and traditional long tong tool resulted in the fastest recovery from ballmarks. Using a wooden tee to repair ballmarks gave the same results as using no repair tool at all. Though there were differences among these tools initially, by 21 days after ballmarks were made, scars had healed in all of the treatments. Study conducted by Jason Nemitz, Cale Bigelow (Purdue University) and Adam Moeller (USGA).
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