Full TGIF Record # 27500
Item 1 of 1
Publication Type:
i
Newsletter
Proceedings
Author(s):Brauen, S. E.; Stahnke, G. K.; Cogger, C.; Chastagner, G.; Johnston, W. J.; Chapman, E.
Author Affiliation:Washington State University, Puyallup Research and Extension Center
Title:Puyallup lysimeters: measuring nitrate movement in sand and modified sand root zones
Source:The Turf Line News. Vol. 116, June/July 1993, p. 10-12, 14-16.
Publishing Information:[British Columbia]: Western Canada Turfgrass Association
# of Pages:6
Keywords:TIC Keywords: Sand; Nitrates; Fertilization; Leaching; Nitrate losses; Groundwater contamination; Root zone
Abstract/Contents:"Nitrate-N leached from putting turf during the first three months after seeding from pure sand profiles was as much as six times greater than the nitrate-N leached from sand profiles modified with peat moss. The quantity of nitrate-N leached was reduced by applying fertilizer more frquently and by reducing the quantity applied. The use of modified sand growing medium, moderate levels of N application and frequent, light application of N combined to reduce the N leached from 12% to 3% of applied N. The early data clearly show that an 'extra effort' approach as compared to an 'as usual' approach to sand green fertilization can reduce the potential losses of nitrate-N from sand growing medium to very low levels. This approach involved the best uses of four factors: 1) Moderate rather than excessive use of N; 2) application of N with higher frequency and with lower quantities per application; 3) use of modified sand rooting medium rather than pure sand and 4) selecting the appropriate combination of slow release N sources and soluble sources that provide functional putting green turf during the cool, wet season."
Language:English
References:1
See Also:Other items relating to: GRDWTR
Note:"Presentation given by the senior author."
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brauen, S. E., G. K. Stahnke, C. Cogger, G. Chastagner, W. J. Johnston, and E. Chapman. 1993. Puyallup lysimeters: measuring nitrate movement in sand and modified sand root zones. Turf Line News. 116:p. 10-12, 14-16.
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