Abstract
Urban watersheds include extensive turfgrass plantings that are associated with anthropocentric attitudes toward landscapes. Native and construction-disturbed urban soils often cannot supply adequate amounts of nitrogen (N) and phosphorus (P) for the growth and beauty of landscape plants. Hence, fertilization of landscape plants is practiced. Mismanaged fertilization and irrigation practices represent a potential source of nutrients that may contribute to water quality impairment. This review focuses on turfgrass fertilization practices and their impacts on urban water quality. Research results show that fertilization during active growth periods enhances turfgrass nutrient uptake efficiencies. The major concern regarding the fertilization of turfgrass and landscape plants in urban watersheds, therefore, is selecting the proper combination of fertilizer rate, timing, and placement that maximizes nutrient utilization efficiency and reduces the risk for nutrient loss to water bodies. Encouraging individuals to adopt best management practices (BMPs) is a priority for watershed managers. Research has found that educational programs are an important part of changing fertilization habits and that education needs to be thorough and comprehensive, which is beyond the scope of many seminars and fact sheets currently in use.
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Showing 50 of 250 references

Metrics
76
Citations
250
References
Details
Published
Jun 01, 2012
Vol/Issue
22(3)
Pages
280-291
Authors
Cite This Article
Richard O. Carey, George J. Hochmuth, Christopher J. Martinez, et al. (2012). A Review of Turfgrass Fertilizer Management Practices: Implications for Urban Water Quality. HortTechnology, 22(3), 280-291. https://doi.org/10.21273/horttech.22.3.280
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