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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/2009jou919.pdf
    Last checked: 10/18/2011
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Publication Type:
i
Refereed
Author(s):Aamlid, Trygve S.; Hanslin, Hans Martin
Author Affiliation:Aamlid: Norwegian Institute for Agricultural and Environmental Research, Grimstad, Norway; Hanslin: Norwegian Institute for Agricultural and Environmental Research, Klepp, Norway
Title:Evaluation of organic fertilizers and biostimulants on sand-based golf greens and football pitches under Scandinavian climate conditions
Section:Soil biology, chemistry and plant nutrition
Other records with the "Soil biology, chemistry and plant nutrition" Section
Meeting Info.:Santiago, Chile: July 26-30 2009
Source:International Turfgrass Society Research Journal. Vol. 11, No. Part 2, 2009, p. 919-931.
Publishing Information:Madison, WI: International Turfgrass Society
# of Pages:13
Keywords:TIC Keywords: Biostimulants; Climatic factors; Fertilization rates; Humic acid; Nitrogen; Organic fertilizers; Precipitation; Sand-based golf greens; Soccer fields
Abstract/Contents:"An absolute condition for high-quality golf courses and athletic fields is an adequate fertilizer programme. Many organic fertilizers, some of them also containing biostimulants, are on the market. Our objective was to evaluate some of these products under Scandinavian climate conditions. The fertilizers / biostimulants Gro-Power®, Turf Food, Golf Algin, Bio Kombi, MaxicropDTM and FlexDTM were compared with Arena® mineral fertilizer (control) on a USGA green in 2005 (grow-in year) and 2006; and the products Golf Algin, ProGreen, Activo and FlexDTM were compared with FullgjØdsel® mineral fertilizer (control) on a sand-based football pitch in the same years. Within each experiment, all treatments received the same amount of nitrogen (N) rate per year (2.5/1.7 kg N (100 m2)-1 on the golf green and 3.0/2.8 kg N (100 m2)-1 on the pitch in 2005/2006, respectively. Inputs of other nutrients varied depending on product tested. In 2005, products were applied at two or four week intervals according to their label, but in 2006, all products were applied at biweekly intervals. On average for the two year experimental period, none of the organic fertilizers / biostimulants caused significant improvements in turfgrass overall impression compared with the control mineral fertilizer treatments. Turf Food and ProGreen enhanced turfgrass grow-in on the green and pitch, respectively, but when used as maintenance fertilizer, Turf Food, Golf Algin, Bio Kombi and Flex produced turf of significantly less quality than the the control. Disadvantages of the test products were most conspicuous in spring when N release was restricted due to low soil temperatures and in autumn when the products resulted in significantly more diseases than the mineral fertilizer control. The only product that resulted in significantly better turfgrass colour and tended to give higher overall impression than the control was the humic acid based Gro-Power® when combined with Arena® at two week intervals; however, the inclusion of Gro-Power® products also increased fertilizer costs by 72% in the grow-in year and 124% in the subsequent year. In conclusion, light and frequent applications of mineral fertilizer should always form the nutritional basis for sand-based greens and football pitches in Scandinavia. Certain organic fertilizers and biostimulants may become useful supplements for turfgrass grow-in and as maintenance fertilizers during the warmest summer period."
Language:English
References:13
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Aamlid, T. S., and H. M. Hanslin. 2009. Evaluation of organic fertilizers and biostimulants on sand-based golf greens and football pitches under Scandinavian climate conditions. Int. Turfgrass Soc. Res. J. 11(Part 2):p. 919-931.
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https://archive.lib.msu.edu/tic/its/articles/2009jou919.pdf
    Last checked: 10/18/2011
    Requires: PDF Reader
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