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Capillary Wick Width and Water Level in Channel Affects Water Absorption Properties of Growing Media and Growth of Chrysanthemum and Poinsettia Cultured in C-channel Subirrigation System

Authors
Kang, Seung WonSeo, Sang GyuPak, Chun Ho
Issue Date
3월-2009
Publisher
KOREAN SOC HORTICULTURAL SCIENCE
Keywords
Dendranthema grandiflorum; Euphorbia pulcherrima; wick irrigation system; subirrigation; pot plant culture
Citation
KOREAN JOURNAL OF HORTICULTURAL SCIENCE & TECHNOLOGY, v.27, no.1, pp.86 - 92
Indexed
SCIE
KCI
Journal Title
KOREAN JOURNAL OF HORTICULTURAL SCIENCE & TECHNOLOGY
Volume
27
Number
1
Start Page
86
End Page
92
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120478
ISSN
1226-8763
Abstract
This experiment was conducted to investigate water absorption properties of growing media and growth and development of chrysanthemum (Dendranthema grandiflorum 'Lompoc') and poinsettia (Euphorbia pulcherrima 'Cortez') as affected by water levels in channel and the width of capillary wicks in C-channel wick irrigation system. In the study of water absorption properties, the water content was increased as the wick width and water level increased. Irrespective of capillary wick width and water level in channel, the capillary subirrigation system showing rapid water absorption was observed within 24-hours, followed by gradual increase thereafter. Treatment with medium water level (3.0 cm) and a wick width of 1.5 cm was the best for the chrysanthemum whereas the treatment with full water level (4.3 cm) and a wick width of 1.5 cm was the best for the poinsettia. In this experiment using C-channel wick irrigation system, supplying nutrient solution in medium level produced optimum growth for chrysanthemum, whereas full level supplement was needed for poinsettia. C-channel subirrigation system with suitable height control regime is expected to be suitable for small pot plants with high quality. This system could improve the efficiency of water and fertilizer use and reduce the cost. It also would be effective for management.
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