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Late Fall Fertilization Of Kentucky Bluegrass, David J. Wehner, Jean E. Haley, Dennis L. Martin
Late Fall Fertilization Of Kentucky Bluegrass, David J. Wehner, Jean E. Haley, Dennis L. Martin
Office of the Dean (CAFES) Scholarship
Many turfgrass managers apply a portion of the total yearly N to cool-season turfgrasses in the late fall (November). The purpose of this field study was to compare fertilization programs with and without N applications in November using both slow-release and soluble N sources. Turfs of two different cultivars of Kentucky bluegrass (Poa pratensis L. cv. Baron and cv. Newport) growing on a Flanagan silt loam (fine, montmorillonitic, mesic Aquic Argiudoll) received 10 fertilization programs utilizing urea, isobutylidene diurea (IBDU), or sulfur-coated urea (SCU). Urea was applied four times per year with either a spring application or a late-fall application …