more... > Turfgrass > Golf Course Management > Blue-Green Algae on Greens [Image: algae] With the ever increasing demand for faster, more competitive putting green surfaces, superintendents are finding blue-green algae encroachment on putting greens an all too common theme. Managing Ultra-dwarf Greens [Image: green] Most high-end golf courses in Louisiana play on high-speed, dense, ultra-dwarf bermudagrasses like TifEagle, Champion or Mini Verde. These new-generation grasses can be wonderful but unforgiving compared to older grasses like TifDwarf or TifGreen. Sand Bunker Washout [Image: bunker] Some sand bunkers are a nightmare to maintain. The structural stability of sand on a slope is a function of slope, type of sand and the amount of water. Knowledge of the following principles will show you where your problem lies and suggest what to do about it. Annual Bluegrass Control on Bermudagrass Greens [Image: poa] Poa infestations are usually combated with herbicides. Several options exist with preemergence herbicides applied in the early fall for Poa control on golf courses that will not be overseeded. However, most of these herbicides are not labeled for golf greens.  more articles... When to Mow Greens [Image: ball] Mowing in the morning will give a longer time of high quality play during hours of play than mowing in afternoon or evening because of the way grass grows. Fairway Maintenance [Image: grass] Two-thirds to three-quarters of the golf game is affected by the green; thus your first dollars should go toward a well-performing green.