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Operations and Maintenance <br /> Continued <br /> D. General Maintenance Tasks for Turf AdjJacent to Trails Cont. <br /> Overseeding Relates to reseeding of turf areas in order to introduce new seed growth <br /> and new varieties of seeds that are more resilient to heavy use, diseases, <br /> and limited maintenance budgets. The type of seed that would be <br /> prescribed for any given situation is highly dependent on the level of turf <br /> maintenance, irrigation, and inherent soil structure. Slit seeding is the <br /> preferred method because in impregnates the seed into the ground, <br /> therefore protecting it from the elements and fostering quicker growth. <br /> Topdressing Relates to adding relatively small amounts of sand, sandy loam, or other <br /> soil mixture to existing turf areas to protect the crowns of plants, and <br /> provide better footing for the trail users.The best time to topdress turf is <br /> after slit-seeding. <br /> Irrigation Adding an irrigation system to turf allows for more nutrient uptake in the <br /> soil structure, which in turn provides a more vigorous and durable <br /> growth of turf grasses. Also,it allows for a greater selection of turf grass <br /> varieties to be used. For intensively used and premium level turf areas, <br /> irrigation is important to maintaining turf quality. <br /> Mowing Relates to the routine mowing of turf grasses to a preferred height to <br /> ensure strong plant structure and disease resistance. Using the proper <br /> equipment along with routine maintenance, especially sharpening <br /> mowing blades,is important to maintaining quality turf. <br /> Growth Regulators On high use areas of turf where fertility, aeration, overseeding, and <br /> irrigation are available,plant growth regulators can be used to redirect the <br /> growth from vertical to horizontal, resulting in a tighter knit and more <br /> durable turf. New products, such as Primo, are very effective and <br /> environmentally sound. As with fertilization, use of growth regulators <br /> should be in sync with the city's policy on the use of chemicals on turf <br /> grasses. <br /> Disease/Pest Control The use of prescriptive treatments for diseases, infestations, and pest <br /> control varies greatly and is dependent upon many variables. Therefore, <br /> the use of pesticides, herbicides, and other treatments is on an as needed, <br /> case-by-case basis. All applications should be done by trained personnel. <br /> As with fertilization, use of pesticides and herbicides should be in sync <br /> with the city's policy on the use of chemicals on turf grasses. <br /> r14 - . <br /> 5 <br /> i <br /> W <br /> ISSUED FORREVIEW Master Trail I <br /> 1 2004 <br />