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- Title
Fall Fertilization Timing Effects on Nitrate Leaching and Turfgrass Color and Growth.
- Authors
Mangiafico, Salvatore S.; Guillard, Karl
- Abstract
The article cites a study, which analyzes the effects of fall fertilization timing on nitrate leaching and turfgrass color and growth. The aim of the study was to determine the timing effects of fall fertilization on nitrate N leaching, turf color, shoot density, and root mass of a 90% Kentucky bluegrass, 10% creeping red fescue lawn. Under the study, a field experiment was conducted at the University of Connecticut from August 7, 2000 to May 15, 2003. Soil monolith lysimeters used in the study had been installed in 1995 for use in a leaching study involving nursery container crops. The study did not use any subjective ratings for turf quality. It was found that a considerable percentage of soluble N applied to turfgrass in November or December could be lost through leaching. This percentage, however, may depend on the rate of fall N application. The study findings also suggest that the current recommendation of applying N in mid- to late November in southern New England may not be compatible with water quality goals.
- Subjects
PLANT fertilization; LEACHING; NITROGEN; EXPERIMENTAL agriculture; TURFGRASSES; SOIL testing; DENSITY; WATER quality; KENTUCKY bluegrass
- Publication
Journal of Environmental Quality, 2006, Vol 35, Issue 1, p163
- ISSN
0047-2425
- Publication type
Article
- DOI
10.2134/jeq2005.0061