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Effect of the Late Fall Fertilization and Snow Cover Period on Spring Greenup of Creeping Bentgrass at Following Year  

Lee, Duk-Ho (Hansol Development Inc)
Jeon, Jun-Ki (Div. of Biological Sci. and Tech., Yonsei University)
Joo, Young-Kyoo (Div. of Biological Sci. and Tech., Yonsei University)
Publication Information
Asian Journal of Turfgrass Science / v.23, no.1, 2009 , pp. 123-132 More about this Journal
Abstract
This study was designed to investigate the effect of the late fall fertilization applied with methyl urea(MU), compound chemical fertilizer(CF), humate(HM), and organic compost fertilizer(NS) on spring greenup of creeping bentgrass at following year. The plots were treated with various snow cover periods before transforming to ski slopes from golf holes during 2007 fall to 2008 spring. The highest visual quality and greenup rate were shown on MU or HM applications at 10 days before snow cover treatment. The CF treatment which had a highest phosphorus rate was most effective with a 13 cm of root length at the reconversion date to golf hole from ski slope of the following spring. However, the application of CF followed by immediate snow cover showed the worst results on visual quality and green color caused by a leaf burning damage from the residual effect of CF. At least 10 days were required to avoid phytotoxicant from undissolved granular of CF before snow cover practise. The application of NS showed the highest result on leaf dry weight at no snow cover plot in next spring, but not on green color and visual quality. Therefore, the proper interval period of snow cover after late fall fertilization should be an important management skill on the spring greenup of creeping bentgrass on following year transforming from ski slope to golf hole.
Keywords
creeping bentgrass; golf course; ski slope; snow cover; spring greenup;
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