Full TGIF Record # 270043
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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/1977sup73.pdf
    Last checked: 03/17/2016
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Publication Type:
Content Type:Abstract or summary only
Author(s):Snyder, G. H.; Burt, E. O.; Davidson, J. M.
Author Affiliation:Agricultural Research Centers and Soil Science Department, University of Florida, Florida
Title:Nitrogen leaching in bermudagrass turf: Daily fertigation vs. tri-weekly conventional fertilization
Section:Session 8
Other records with the "Session 8" Section
Meeting Info.:Munich, Germany: July 11-13, 1977
Source:International Turfgrass Society Program: III International Turfgrass Research Conference. 1977, p. 73.
# of Pages:1
Publishing Information:Munich, Germany: [International Turfgrass Society]
Keywords:TIC Keywords: Ammonium nitrate; Application methods; Application rates; Cynodon dactylon x Cynodon transvaalensis; Fertigation; Fertilizer evaluation; Irrigation practices; Nitrogen fertilization; Nitrogen losses; Soil moisture
Cultivar Names:Tifgreen
Abstract/Contents:"Nitrate-nitrogen leaching was neasured [measured] during a number of 3-week intervals over a period of two years following fertilization of 'Tifgreen' bermudagrass turf with ammonium nitrate at 9.8 g/m2/4 weeks by two methods: a) application daily through the irrigation system (fertigation) and b) conventional applications at 3-week intervals. In each case the turf was irrigated daily. The soil was Pompano fs. Nitrate-nitrogen at a depth of 60 cm was determined in soil water samples taken daily with ceramic cup devices. Daily moisture flux was determined as X=P+I-E-R, where X is the moisture flux, P the precipitation, I the irrigation, E the evapotranspiration and R the amount of water required to bring the 60 cm profile to field capacity. Flux calculated in this manner was compared with that calculated from tensiometer data. Daily N leaching was calculated as the product of N concentration and water flux. Nitrogen leaching during three week periods frequently ranged from 30 to 60 % of that applied. Leaching was often 50 % greater following single N applications at 3-week intervals than when applied daily through the irrigation system. The data indicated that sizeable reductions in N leaching could be achieved through thoughtful regulation of irrigation."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Snyder, G. H., E. O. Burt, and J. M. Davidson. 1977. Nitrogen leaching in bermudagrass turf: Daily fertigation vs. tri-weekly conventional fertilization. Int. Turfgrass Soc. Annexe - Tech. Pap. p. 73.
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    Last checked: 03/17/2016
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