Best Management Practices for Maryland Golf Courses

Figure 27. Vertical mowing (verticutting) can be incorporated into a cultural management program to achieve a number of goals. Photo credit: Chris Harriman. ........................................ 60 Figure 28. Topdressing the playing surface with sand improves surface firmness and smoothness, dilutes thatch, improves recovery from turf thinning or cultural practices, and, over time, modifies the root zone. Photo credit: Chris Harriman. ................................................................. 62 Figure 29. Rolling of turf smooths putting surfaces and increases green speed for daily play or tournaments and should also be considered on fairways or tees to reduce the occurrence of some turf diseases. Photo credit: Chris Harriman. ................................................................................. 63 Figure 30. Gray leaf spot incidence difference in fairway perennial ryegrass in NTEP trial. Photo credit: Thomas Turner................................................................................................................... 64 Figure 31. Field day at University of Maryland showing NTEP trial plots. Photo credit: Chris Harriman. ...................................................................................................................................... 65 Figure 32. Scouting, such as for white grubs in the soil, is an important IPM method. Photo credit: Chris Harriman. ................................................................................................................. 68 Figure 33. Red thread disease. Photo credit: Thomas Turner....................................................... 70 Figure 34. Brown patch mycelium. Photo credit: Thomas Turner. .............................................. 70 Figure 35. Dollar spot. Photo credit: Joseph Roberts. .................................................................. 71 Figure 36. Annual bluegrass encroachment in green. Photo credit: Thomas Turner. .................. 72 Figure 37. Pesticide equipment should be properly calibrated and configured. Photo credit: Chris Harriman. ...................................................................................................................................... 81 Figure 38. Pesticide storage areas should be separate from storage areas for other chemicals. Photo credit: Joseph Roberts......................................................................................................... 84 Figure 39. Golf courses can provide habitat for native and domestic species of pollinators. ...... 87 Figure 40. Pollinators at Baltimore Country Club. Photo credits: Mark Jones. ........................... 88 Figure 41. Equipment storage at Baltimore Country Club. Photo credit: Mark Jones. ................ 93 Figure 42. Clippings should be separated from washwater and managed properly to avoid water quality impacts from nitrogen and phosphorus. Photo credit: Mark Jones................................... 93 Figure 43. Equipment washing at Baltimore Country Club. Photo credit: Mark Jones. .............. 94 Figure 44. Closed loop washwater recycling system at Baltimore Country Club. Photo credit: Mark Jones. ................................................................................................................................... 95

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