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Effect of Water Soluble and Slow Release Fertilizers on the Growth of Pot Carnation in C-channel Mat Irrigation System  

Kang, Seung-Won (Division of Bioscience and Technology, College of Life and Environmental Science, Korea University)
Suh, Jung-Nam (Institute of Life Science and Natural Resources, Korea University)
Park, Chun-Ho (Division of Bioscience and Technology, College of Life and Environmental Science, Korea University)
Publication Information
Journal of Bio-Environment Control / v.14, no.3, 2005 , pp. 212-217 More about this Journal
Abstract
This experiment was conducted to investigate the effect of water soluble fertilizer(WSF) and slow release fertilizer(SRF) on the growth of carnation(Dianthus caryophyllus 'Invitation') cultured in C-channel mat irrigation system. Plants grown in $0.8{\~}1.0\;g{\cdot}L^{-1}$ of WSF showed the highest quality, especially on fresh and dry weight of aerial part, leaf number, total leaf area, plant height, and branch number. All plants showed increase of growth rate around 60 days after treatment, although there was a different increase rate. Total leaf area decreased its increase rate after 90 days after treatment. Carnations supplied by WSF showed better growth and quality than SRF, and the optimum concentration range of WSF for pot-carnation was $0.8{\~}1.0\;g{\cdot}L^{-1}$ in C-channel mat irrigation system.
Keywords
branch numbers; dianthus caryophyllus 'Invitation'; fertilizer combination; leaf area; sub-irrigation;
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