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한승원,방광자 한국화훼연구회 1996 화훼연구 Vol.5 No.1
The purpose of this study was to analyse the effect of air purification by interior plants during photosynthesis. Plants typically obsorb CO2 and release O2 while it was illuminated. The results are as follows : 1.The amount of CO2 absorption was largest, when the light level was highest in a day. 2.The CO2 decreasing rate per unite area was measured with interior plants such as Pachira aquatica, Ficus benjamina, and Dracaena deremensis. The Pachira aquatica showed the highest level of CO2 decreasing rate. 3.The plants that cause high humidity were Dracaena deremensis(91%) and Ficus benjamina(90%). 4.10 species of interior plants such as Ficus benjamina, Dracaena deremensis, Pachira aquatica, Scindapus aureus, Nephrolepis cordifolia, Hedera helix, Cyrtomium falcatum, Farfugium japonicum, Ardisia japonica and Viburnum awabuki - were treated with 0.5% CO2 (0.500%) at the constant light level, 3,000 lux. After six hours, CO2 decreasing-rate of each plant were measured. Viburnum awabuki(15.77,ppm/cm2) showed the highest rate, followed by Farfugium japonicum(15.77,ppm/cm2), Pachira aquatica(4.69,ppm/cm2), Cyrtomium falcatum(4.35,ppm/cm2), Scindapus aureus(2.67,ppm/cm2), Ardisia japonica(2.27,ppm/cm2), Dracaena deremensis(1.38,ppm/ cm2), Nephrolepis cordifolia(1.34,ppm/cm2), Ficus benjamina(0.91,ppm/cm2) and Hedera helix(0.33,ppm/cm2). 5.The CO2 releasing- rate of each plant at the night was also measured. Pachira aquatica(1.54,ppm/cm2) showed the highest rate, followed by Dracaena deremensis(0.75,ppm/cm2), Ficus benjamina(0.26,ppm/cm2), Scindapus aureus(0.42,ppm/cm2), Viburnum awabuki(0.42,ppm/cm2), Cyrtomium falcatum(0.32,ppm/cm2), Hedera helix(0.07,ppm/cm2), Nephrolepis cordifolia(0.06,ppm/cm2), Farfugium japonicum(-0.09,ppm/cm2) and Aridisia japonica(-0.19,ppm/cm2). However, the CO2 releasing rate of interior plant at the night was very low compaed to the CO2 absorption rate of these in the daytime.
서울 강남지역의 高級 住宅庭園에 있어서 造景樹木 植栽現況에 관한 硏究
이민영,방광자,설종호,조근호 한국화훼연구회 1996 화훼연구 Vol.5 No.2
The planting trends, preferences of landscape plants and management type of private gardens were surveyed with centering around Bang-Bae Dong, Seo-Cho Gu, Seoul, Korea. The total number of landscape plants observed were 37 families 56 genus 91 species and the average species number per house was 16. Acer palmatum was observed most frequently and Rhododendron poukhanense, Buxus microphylla var. Koreana, Pseudocydonia sinensis and Pinus Densiflora followed it. The species number of deciduous tree were more than evergreen, but in whole planting frequency evergreen more vice versa. Between trees and shrubs, the species number of trees were more than shrub, and shrubs were more in planting frequency. The ratio of indigenous and introduced plants were 48% and 52% respectively. The garden owners premiered Syringa vulgaris pinus densiflora, Lagerstroemia indica, Rhododendron poukhanense and Ziziphus jujuba var. inermis to any other species. In management type of private garden, agent, self, and mixed were 40, 35 and 25% respectively.
Growth Characteristics of Cyrtomium falcatum as an Indoor Plant under Various Light Conditions
Kwang Ja Bang,Seung Won Han,Jin Hee Ju 한국원예학회 2004 Horticulture, Environment, and Biotechnology Vol.45 No.3
The objective of this research was to identify adequate light conditions for the growth of Cyrtomium falcatum during the exploitation as an indoor plant. Four levels of shading and four different artificial light treatments were employed to C. falcatum. The growth of the plant was best with 70% shading (18.5 ㎛ㆍolm?²ㆍs?¹) and relatively good with 90% shading (9.3 μmolㆍm?²ㆍs?¹), indicating the possibility of growing under indoor light conditions. Under fluorescent light at 30±3 μmolㆍm?²ㆍs?¹, the growth was better than under sun light at 20±2 μmolㆍm?²ㆍs?¹. These results suggest that C. falcatum is naturally adapted to indoor light conditions. Thus, it can be concluded that C. falcatum is easily cultivated under indoor light conditions with supplemental artificial light.
Growth Characteristics of Cyrtomium falcatum as an Indoor Plant under Various Light Condition
Kwang Ja Bang,주진희,Seung Won Han 한국원예학회 2004 Horticulture, Environment, and Biotechnology Vol.45 No.3
The objective of this research was to identify adequate light conditions for the growth of Cyrtomium falcatum during the exploitation as an indoor plant. Four levels of shading and four different artificial light treatments were employed to C. falcatum. The growth of the plant was best with 70% shading (18.5 máolm2ás1) and relatively good with 90% shading (9.3 mol•m2•s1), indicating the possibility of growing under indoor light conditions. Under fluorescent light at 30 ± 3 mol•m2•s1, the growth was better than under sun light at 20 ± 2 mol•m2•s1. These results suggest that C. falcatum is naturally adapted to indoor light conditions. Thus, it can be concluded that C. falcatum is easily cultivated under indoor light conditions with supplemental artificial light.
녹지도입에 따른 지하공간 이미지 변화에 대한 조사연구 - 시청 - 동대문운동장 구간의 지하보도를 중심으로 -
방광자(Kwang-Ja Bang),김선혜(Sun-hea Kim) 한국실내조경협회 2000 室內造景 = Journal of the Korean institute of interior Vol.2 No.2
Underground space is one of the urban infrastructures which must be actively used because of high land price in urban areas. But bring human negative effects, underground space is not developed actively. And it plays a role just as transportation.<br/> Introduction of Green zone and Object of art can get rid underground space of negative factors. Especially, releases Green zone in underground space negative factors and provides nature to people.<br/> And high-technology like optical fiber make introduction of Green zone in underground space possible. Green zone not only releases negative factors but elevates visual perception and satisfaction.<br/> Active use and development of underground space are to be accomplished through removing negative factors and improving environment in the end.<br/> The Study for introduction Green zone to rise visual satisfaction and perception must be continued on the basis of positive counteraction.<br/>
방광자 ( Kwang Ja Bang ),주진희 ( Jin Hee Ju ),박미옥 ( Mi Ok Park ) 상명대학교 산업과학연구소 2006 産業科學硏究 Vol.- No.19
This study was conducted to investigate the photosynthetic response pattern of 7 foliage plant species, usually, that is used by indoor plant. Result of photosynthesis pattern analysis, Nephrolepis exaltata and Schefflera arboricola are plant species that the photosynthesis rate prefers high light intensity according as intensity increases. Ficus benjamina accomplished light saturation point in intensity 150μmol·m-2·s-1, and this time photosynthesis rate measured by 2.11μmolCO2·cm-2·s-1. Epipremnum aureum accomplished light saturation point in intensity 70μmol·m-2·s-1, and this time photosynthesis rate measured by 2.27μmolCO2·cm- 2·s-1. Pachira aquatica accomplished light saturation point in intensity 50μmol·m-2·s-1, and this time photosynthesis rate measured by 1.26μmolCO2·cm-2·s-1. Spathiphyllum cannifolium and Aglaonema brevispathum increases the photosynthesis rate comparatively gently despite intensity increases continuously and this result showed that two species was strong in low intensity.
실내식물 개발을 위한 차광처리가 자생 후추등(Piper kauzura)의 생육에 미치는 영향
방광자(Bang Kwang-Ja),주진희(Ju Jin-Hee),김중녕(Kim Joong-Nyeong),이상옥(Lee Sang-Ok) 한국실내조경협회 2003 室內造景 = Journal of the Korean institute of interior Vol.5 No.2
This study was conducted to investigate the growth responses of Piper kauzura as influenced by 4 different shading (Control, 50%, 70%, 90%). Under 50 or 70% shading, plant height, number of leaf increased compared with the other shading except leaf length, leaf width, petiole length, internode length. The plant grown under Control was shown smaller and more yellowish green, leaf color and under 90% shading growth was a little inferior to those under the 50 or 70% shading. Chlorophyll contents were increased in proportion to the lowing light intensity. Thus, 50 or 70% shading Piper kauzura seemed to be maintained highly valued growth.
디자인 요소로서 실내조경식물의 이미지 도입방안에 관한 연구
방광자(Kwang-Ja Bang),최경옥(Kyoung-Ok Choi),이태영(Tae-young Lee) 한국실내조경협회 2000 室內造景 = Journal of the Korean institute of interior Vol.2 No.2
The purpose of this study was on suggesting what is the image and image formation factor of interior landscaping plants. For this purpose, the sixty interior landscaping plants were selected. Selected plants were classified into 9 groups by similar cbaracteristics of plants, for example, leaf color and leaf pattern. Data analyses were performed by semantic differential scale method, mean score and multiple regression algorithm.<br/> The results are as follows,<br/> <br/> 1. Comparing with image assessment, group 9 got the highest score in all aspects.<br/> 2. Comparing with the image assessment of interior landscaping plants, the "impressive" image was obtained the highest score and "bright", "cool", "beautiful" and "fresh" were followed.<br/> 3. Multiple regression analysis was performed to clarify influence degree of the adjectives related to the beauty. The next adjectives were significant check points on assessing the beauty of interior landscaping plants.<br/> The multiple regression formula was as follow;<br/> Y = 0.6534+0.3594(impressive)+0.1103(fresh)+0.1433(ornate) +0.1728(green)-0.0903(crude)+0.0506(soft) +0.1029(light)+0. 0315(warm)<br/> +0.0314(opened)+0.0223(bright)<br/> <br/> Also, Guzmania magnifica was investigated to have the most beautiful image with the results of preference analysis.<br/> Vriesea splendens, Cordyline terminalis Kunth 'Lilliput' and Peperomia sandersii were identified as considerably preferred plants.<br/> <br/>