• Korean Journal of Organic Agriculture
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• v.18 no.4
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• pp.587-598
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• 2010

This study was carried out to elucidate the effects of mulching materials on the growth of potato and weed control at the experimental farm of Chungbuk National University from August 9 in 2008 to June 28 in 2009. Tested potato, cv. 'Superior', was grown under the different mulching materials such as pine tree leaf, oak tree leaf, rice straw, rice hull and sawdust, and control(non-mulching). We tested two times with autumn and spring culture season. The obtained results from this study were summarized as follows; There was significantly difference in plant height, stem length, leaf length, leaf weight and tuber weight in pine tree leaf mulching treatment in autumn season among the treatments. The dominant weeds were Echinochioa crus-galli var. fadmerntacca and Cyperus amvuricus in autumn culture season, while were Echinochioa crus-galli var. fadmerntacca and Digitaria sanguinalis in spring culture season. The appearance of weeds in all of mulching treatment was significant reduced compared to control. The soil moisture content was the highest in rice hull mulching treatment, and that of mulching treatments was significantly higher than control. The soil temperature of mulching treatments was lower than that of control by from $1.0^{\circ}C$to $2.8^{\circ}C$ in autumn season and from $0.7^{\circ}C$ to $2.3^{\circ}C$ in spring season. The soil temperature was low in the order of pine tree leaf, rice straw, oak tree leaf, rice hull, sawdust, and control.

• Proceedings of the Korean Society of Crop Science Conference
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• 2000.04a
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• pp.204-205
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• 2000

• The Research Journal of the Costume Culture
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• v.13 no.2 s.55
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• pp.221-239
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• 2005

The purpose of this study was to analyse the fashion style expressed in women magazine advertisements. The method of this study was used content analysis with 692 samples in women magazines ('Woman Sense', 'Yeosung Dong-A', and 'Jubu Saeng-hwal') which were issued in March, June, September, and December from 1998 to 2002. The data analysis were divided nine elements: 1. silhouette, 2. color, 3. pattern, 4. length of skirt & slacks, 5. adjustment, 6. breadth of collar lapel, 7. shoes, 8. make-up, 9. hair style. The results of this study were as follows: 1. silhouette : The four seasons were expressed in square silhouette. 2. Color : The spring, summer, and winter seasons were expressed in white color, while the fall season was expressed in neutral color. 3. Pattern : The four seasons were expressed in plain pattern. 4. Length of skirt & slacks : The four seasons were expressed in various length. 5. Adjustment : The four seasons were expressed in single button. 6. Breadth of collar lapel : The spring, summer, and winter seasons were expressed in small breadth, while the fall season was expressed in middle breadth. 7. Shoes : The four seasons were expressed in high-heeled shoes. 8. Make-up : The four seasons were expressed in light tone. 9. Hair style : The four seasons were expressed in up-style.

• Korean journal of applied entomology
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• v.45 no.2 s.143
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• pp.173-177
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• 2006

Biological control of Tetranychus urticae by Phytoseiulus persimilis was observed in eggp1ant greenhouse fur spring and autumn season culture. Tetranychus urticae was controlled to low density of less than 1 mite from June 24 after p. persimilis were released 3 times at rate of 10 per plant on June 1, 11, and 18, 2004 in spring season experiment. The population of Tetranychus urticae was also less than 1 mite per eggp1ant leaf from September 1 to October 22 after three times releases of 10 P. persimilis in autumn season experiment. In Phytoseiulus persimilis released plot, the percentage of leaves with T. urticae adults and nymphs were 8.6$\sim$13.3% and 5% or less in spring and autumn season experiment. The density of T urticae was from 1 to 2 on leaves with T urticae adults and nymphs.

• International Journal of Industrial Entomology and Biomaterials
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• v.40 no.2
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• pp.51-55
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• 2020

A new silkworm variety, Juhwangjam, was bred for the producing of light pink colored cocoon. The Juhwangjam variety was selected and succeeded from the F1 of 2303 × BP Heehong in 2016 autumn. Hatchability (96%) and pupation percentage (97.6%) of Juhwangjam was matched to the authorization criteria for commercial silkworm variety. Laval period and other economical characters of Juhwangjam were similar to the authorized silkworm variety, Goldensilk. Cocoon yield of Juhwangjam in spring and autumn season was 20.0 and 14.3 kg, respectively. Therefore, a new silkworm variety, Juhwangjam for light pink cocoon, might be adaptable to culture in spring season rather than autumn season.

• KOREAN JOURNAL OF CROP SCIENCE
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• v.45 no.3
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• pp.216-219
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• 2000

A field study was carried out to compare the performances of mulching with recycled paper, oil-treated paper and urea-coated paper in spring season potato culture. Soil temperature, weed occurrence, and the growth and yield of potato (cv. Sumi) were compared with unmulched control. The average soil temperatures at 5cm soil depth during the first 10 days after planting were 18.9$^{\circ}C$, under paper mulch and 20.6$^{\circ}C$, under oil-treated paper mulch, being lower 0.8$^{\circ}C$ and higher 1.2$^{\circ}C$, respectively, than unmulched control. Paper mulch lowered maximum soil temperature by 4.6$^{\circ}C$, on a fine day, while oil-treated paper mulch elevated it by over 6.6$^{\circ}C$, Urea-coated paper was decomposed fester than the mulch paper without urea coating. The former was decomposed 50% by 80days after mulching, but the later only 20%. In all mulch treatments, weeds were effectively controled throughout the potato growing season. The percent emergence of potato was not different significantly among treatments. However, a little lower emergence and poor early growth were observed under oil-treated paper mulch because of higher soil temperature. Except oil-treated paper mulch, the paper mulches with and without urea coating showed no difference in growth and yield of potato from the unmulched control. The growth and yield performances were poorest under oil-treated paper mulch. Oil-treated paper mulch would result in difference growth and yield performances if potato is planted earlier than April IS in the present experiment. Further researches are needed for this aspect.

• The Research Journal of the Costume Culture
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• v.11 no.5
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• pp.697-710
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• 2003

The Purpose of this study was to prospect new costume culture of 21st Century and to understand the meaning of clothing and clothing behavior which represent on Korean Seasonal Costumes expressed in novel, Honpul. The results were as follows; There are special Costumes in a Year. They are New year, First full moon, Servants day, making seasonings, Doo Rae, Wha-cheon Nori(enjoying blossoms) Costumes during spring season, Dan-Oh Costume in summer and Ya-Kwang-Gui(keeping shoes at all night), Su-Ya(overnight), Yeam-Bal(burning dropped hairs) Costume in winter season. There were many relationship with clothing in new year, Wha-cheon Nori and Servants day Costumes, but they only had adorning meaning without special symbolic or incantational meaning. Clothing and clothing behaviors in Seasoning making day Costume, Dan-Ho costume and Ya-Kwang-Gui, Su-Ya, Yeam-Bal Costumes contained practical meaning with incantational meaning. There were Servants day costumes and Doo-Rae Costumes for lower classes, New year and Wha-cheon Nori costumes for the higher classes. But the First full moon day costume was for both classes. This study will make us to grasp the meaning of clothing culture with Korean Seasonal Costumes, and be useful to measure the changes of Korean costume cultures.

• The Research Journal of the Costume Culture
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• v.16 no.2
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• pp.235-248
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• 2008

This study is on the characteristics of gloves in the modern fashion and has the purpose to review the style and the feature of gloves coordinated with clothes variously. The study started firstly with reviewing the related literature for the information of the origin, the process of development and the sort of gloves and then verified the results with photographs in the fashion magazines and collections at home and abroad since 1990s. The first characteristic is utility. Lining and covered materials use the materials excellent for keeping warm as the original purpose of wearing gloves is to protect hands against cold weather. It is demonstrated in the fashion collections that coordinating sieves appeals more often in fall-winter season than in spring-summer season. The second is sense of fashion. Gloves are normally coordinated with same materials and colors of clothes. But, gloves could create infinite varieties, make sufficient images through stressing splendid colors on achromatic colored clothes, shaping unique styles, transforming with various materials and ornaments. The last is sense of deconstruction. Gloves are transformed as a sort of clothes beyond the original use. Gloves are coordinated transcending the conventional thoughts, which makes it possible that Stoves appear in summer season, not in winter. Coordinating gloves appears free and unique through atypical formation.

• Korean Journal of Organic Agriculture
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• v.17 no.4
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• pp.501-517
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• 2009

This research was carried out to study the effect of mulching materials and weed control methods on weed occurrence and growth of kale on upland and paddy soil of field culture at spring and autumn season. Paddy soil temperature of mulching treatments was high by $0.9{\sim}2.0^{\circ}C$ in comparison of non-mulching at autumn season. The control value of weed was over 91% at mulch paper and time required for weed control was reduced by 70% at mulch paper + machine weeding in comparison of non-mulching + hand weeding. The yield of kale was similar to that of conventional culture. Paddy soil temperature of mulch paper was higher on April, but lower on May and June than non-mulching at spring season. Dominant weed was Chenopodium album var. centrorubrum Makino, The control value of weed was over 91% at mulch paper, time required for weed control was reduced by 75% at mulch paper + machine weeding in comparison of non-mulching + hand weeding and the yield of kale increased by 34% than conventional culture. Dominant weed was Alopecurus aequalis var. amurensis Ohwi. on paddy soil at autumn season. The control value of weed was 43% at mulch paper. Time required for weed control was reduced by 80% at mulch paper + machine weeding in comparison of non-mulching + hand weeding. The yield of kale increased by 26% compared with than of conventional culture.

• Korean Journal of Breeding Science
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• v.40 no.4
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• pp.439-442
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• 2008

A new spray chrysanthemum cultivar, 'Cherry Blossom' was released by National Horticultural Research Institute (NHRI), Rural Development Administration (RDA), Korea in 2007. A cross was made in 2002 between 'Relance', a spray cultivar with red petals and resistant to white rust and 'Yeonja', a spray cultivar with pink petals. Trials were conducted from 2005 to 2007 for the evaluation and selection of this cultivar, including shading culture in summer and retarding culture in autumn. The natural flowering time of "Cherry Blossom" is late October, but year-round flowering is possible by shading and lighting treatment. This cultivar is single type flowers with dark pink petals and green flower center and resistant to white rust. It is very stable color of petals when the variety is cultivated under high temperature conditions in summer season. The diameter of flower is 55.0 mm. The number of flowers per stem is 10.5 and the number of petals per flower is 24.0. The days to flowering under the short day treatment is about 45 in spring season.