Proceedings of the Korean Society of Crop Science Conference
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2017.06a
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pp.267-267
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2017
In Korea, the average air temperature has been elevated twice faster than the average global warming. And the climate warming is characterized by the smaller rise of air temperature in summer and the greater rise of air temperature in spring and winter. Therefore, the number of frost-free days to determine the cultivation ability of crops has increased by more than 15 days in 10 years according to climate warming. This climate warming trend has extended and is projected to extend not only the sweet potato growing season but also the sweet potato early cultivating area to higher altitude and latitude region. This study was carried out to evaluate the possibility of sweet potato double cropping in the southern island area of Korea by assessing the growth and yield performance of sweet potato cultivated at extremely-early and -late time. We had performed at Yokji Island Yokji Island($E128^{\circ}$ 18' $N34^{\circ}$ 36'), a representative specified complex area of sweet potato cultivation in southern Korea. As the test varieties, the major cultivars of the this region, Shinyulmi and early hypertrophic cultivars, Dahomi were used. The prior cropping were planted with PE film mulching on March 30 and April 10, and harvested after 110 days. So the succeeding cropping were planted without PE film mulching on July 25 and August 5 according to the harvesting time of the prior sweet potato and harvested after 120 days. As a control, it was harvested on September 15, 120 days after planted on May 15. Each experimental plot had an area of 12 square meters consisting of 4 beds, and was planted one at a time at intervals of 25cm. We had investigated growth characteristics - main vine length, node number, branch number, total vine yield, and tuberous root characteristics - tuberous root number, average weight, starch value, and etc. After harvesting, we analyzed the economic effects by examining the postharvest quantity, the input labor, the management cost, and the income. The total yield of marketable products in prior and succeeding cropping was 46~70% higher than that of control. The average unit price of sweet potato was 36% higher than the conventional culture, and the gross income increased by 98%, but the operating cost increased by 83%, and the farm income increased by 103%. There are considerations such as the difficulty of enlargement of cultivation area due to lack of labor in limited space and the need for watering measures due to spring drought. However, if the area of application for sweet potatoes double system is increased by 10%, it can be used as a new cropping system.
Proceedings of the Korean Society of Crop Science Conference
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2017.06a
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pp.280-280
/
2017
In Korea, the average air temperature has been elevated twice faster than the average global warming. And the climate warming is characterized by the smaller rise of air temperature in summer and the greater rise of air temperature in spring and winter. Therefore, the number of frost-free days to determine the cultivation ability of crops has increased by more than 15 days in 10 years according to climate warming. This climate warming trend has extended and is projected to extend not only the sweet potato growing season but also the sweet potato early cultivating area to higher altitude and latitude region. This study was carried out to evaluate the possibility of sweet potato double cropping in the southern island area of Korea by assessing the growth and yield performance of sweet potato cultivated at extremely-early and -late time. We had performed at Yokji Island Yokji Island($E128^{\circ}$ 18' $N34^{\circ}$ 36'), a representative specified complex area of sweet potato cultivation in southern Korea. As the test varieties, the major cultivars of the this region, Shinyulmi and early hypertrophic cultivars, Dahomi were used. The prior cropping were planted with PE film mulching on March 30 and April 10, and harvested after 110 days. So the succeeding cropping were planted without PE film mulching on July 25 and August 5 according to the harvesting time of the prior sweet potato and harvested after 120 days. As a control, it was harvested on September 15, 120 days after planted on May 15. Each experimental plot had an area of 12 square meters consisting of 4 beds, and was planted one at a time at intervals of 25cm. We had investigated growth characteristics - main vine length, node number, branch number, total vine yield, and tuberous root characteristics - tuberous root number, average weight, starch value, and etc. After harvesting, we analyzed the economic effects by examining the postharvest quantity, the input labor, the management cost, and the income. The total yield of marketable products in prior and succeeding cropping was 46~70% higher than that of control. The average unit price of sweet potato was 36% higher than the conventional culture, and the gross income increased by 98%, but the operating cost increased by 83%, and the farm income increased by 103%. There are considerations such as the difficulty of enlargement of cultivation area due to lack of labor in limited space and the need for watering measures due to spring drought. However, if the area of application for sweet potatoes double system is increased by 10%, it can be used as a new cropping system.
This paper aims at identifying the positive economic effects of the tenant system. Increasing numbers of tenant farms is one of the characteristic aspects of Korean agriculture. They have increased 3.7 percent annually since 1960. At the end of 1985, 64.7 percent of the Korean farmers leased partly or entirely the farm land which they managed, and 30.5 percent of the total arable area was cultivated under the tenant system. To find out the difference in performance of management between land owners and tenants, 600 farm households were selected as samples throughout Chungnam province. Among those sampled were 300 land owners and 300 tenants. Tenants defined this paper include not only full tenants but also part tenants. The results of this study are summarized as; First, rice is the main income resource of tenant farms. Due to their rental charges, the marketable surplus of farm products might be lower than that of land owners. Whereas 40 percent of the landowners income is from rice production, the tenants income from rice production is 43 percent. Second, tenants continue to depend on more agricultural wage incoms and more double crop incomes in paddy fields than land owners. Third, like most poor people in the third world, they have maximized their incomes and minimized their expenditures by saving management costs. Finally, there was no interlinking between landlords and tenants especially related to credit supports. Most farmers in the surveyed area have met their credit requirements from agricultural cooperatives.
The purpose of this research was to reduce the burden of household management and the difficulty of rearing children, which are two most important obstacles for a dual-income family. For this, we suggested a cohousing project, as an alternative concept to conventional housing, where people can socially interact with each other and share mutual cooperation for a better quality of life. We surveyed the lifestyle of dual-income families in Korea, how they understood the cohousing project and their opinions on it. We carried out a survey with the wives from dual income families who were living in the metropolitan areas including Seoul. We contacted 30 wives for the survey to determine the reality of the double income couple family and interviewed them to make a detailed plan for cohousing based on their understanding and needs. In the results, many women who responded to the interview agreed that cohousing was an ideal housing arrangement for the dual-income family. However, they were anxious that it would take too much time and effort to develop their own housing estate by themselves. Therefore, we looked for a way to save time, efforts and cost in developing a cohousing project and came up with the remodeling as a solution.
This study has developed Computable General Equilibrium (CGE) model reflecting endogenous growth economic theory, with the aim of analyzing double dividend hypothesis. This study analyzes possibility of economic growth and environmental improvement at the same time when government recycles the revenue of carbon tax to reduce existed taxes such as consumption tax, labor income tax, corporate tax. It also assesses the case of subsidy on R&D investment of renewable energy. With new and renewable generation technology adopted and disseminated, GDP loss would be lessened to a great degree. Tax recycling would provide economic gain by reducing distortion existed in the existing fiscal structure. The magnitude of economic gains from carbon tax recycling is biggest for recycling into corporate tax, and labor income tax, and then consumption tax in this order. It is also shown that double dividend effects occur in dynamic terms when government uses a carbon tax revenue to subsidize on R&D investment. At the end of the analysis period, emissions reduction would not result in GDP loss but in GDP gain. In particular, recycling into R&D increase would produce the largest and fastest GDP gain. Thus, implementing emissions reduction target would require careful consideration of economic effects by various policy instrument, including carbon tax.
Journal of Applied Tourism Food and Beverage Management and Research
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v.7
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pp.139-164
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1997
Since the middle of 80's, foodservice industry has steadily developed, as the national income has been increased in correspondence with economic growth. We can figure that the improvement of culture life such as the improvement of culture life such as the conspicuous trend forward nuclear families, increasing double income family and the rate of holding car, has had something close to do with development of foodservice industry in the such economic development. Therefore, this study is to analyze foodservice industry playing an important role in the culture life and the influence of culture life improvement to foodservice industry, directly or indirectly, in accordance with the brilliant economic development in Korea.
This study examined the double mediating effects of work-family conflict and parenting guilt on the relationship between perfectionism and parenting behavior for working mothers. The survey was conducted on 340 working mothers with 3 to 5 year-old children, who lived in Daegu and Kyungpook Province, Korea. Data were collected through questionnaires on perfectionism, work-family conflict, parenting guilt, and parenting behavior. To analyze the collected data, descriptive statistics, factor analysis, and analysis of variance were conducted by using SPSS 22.0 and Model 6 in PROCESS macro, with bootstrapping method. Work-family conflict and parenting guilt were used as mediators. Children's birth order and household income were controlled throughout the analysis. The major findings of this study were as follows. First, work-family conflict and parenting guilt had inconsistent double mediating effects on the relationship between adaptive perfectionism and positive parenting behavior. Second, work-family conflict and parenting guilt had complete double mediating effects on the relationship between adaptive perfectionism and negative parenting behavior. Third, work-family conflict and parenting guilt did not have double mediating effects on the relationship between maladaptive perfectionism and positive parenting behavior. Finally, work-family conflict and parenting guilt had partial double mediating effects on the relationship between maladaptive perfectionism and negative parenting behavior. The findings provide a better understanding of the relationship between perfectionism and parenting behavior. The results also have implications for providing education for and counseling working mothers with children.
This study is to understand the image of the Korean beauty and rewards to be gained by trying to be a beautiful person and to study differences according to demographic characteristics. It was studied with the purpose of industrializing beauty image and selling it to foreign countries. The survey questionnaire was distributed to Seoul and Kyeongkido. Respondents totaled 301. Collected data were analyzed with frequency analysis, factor analysis, $X^2$-test, and regression. Results are ; (1) The external image of Korean beauty emphasizes round face, white skin, big eyes, double eyelids, round head shape, early twenties, tall, low body weight, thin waist, long neck, long legs, and thin fingers. (2) The inner image of the Korean beauty emphasizes mature personality, social economic ability, but not housework, and cultural artistic ability. (3) Rewards gained by trying to be a beauty are psychological, actual, and social ones. (4) External face and body image of the beauty are different by demographic characteristics (sex, age, marital status, final education, monthly average income, religion). (5) The inner image of the beauty is different by age, final education, and monthly average income. (6) Rewards gained by trying to be a beauty are different by sex, age, final education, and monthly average income.
In this study, consumers who have experience of visiting Jeongsun Arirang Market has been selected as samples to understand the characteristics of agricultural products purchase. For this, double hurdle model was used in order to resolve sample selection problem and obtain consistent estimator. The key points are the following. First, as the age increases(up to 59.8 years), chances of purchasing the products at traditional market increase as income increases. Second, when the residence area is outside of Gangwon-province, the purchase amount of the products increased compared to those from visitors within the Gangwon province. Also, visitors who use public transportations purchase less products compared to those who use their own car. Third, probability of agricultural products increase as the visitors consider positive effect the product purchase leads to the local farmers. Fourth, if the visitors consider the quality of the agricultural products, probability of purchasing agricultural product at the site increases. However, if the visitors consider the freshness of the agricultural products, the purchase amount rather drops. Fifth, the probability of purchase increases as visitors consider the brand of traditional market.
The objectives of this study were to investigate the relation between personality(activity, emotional stability, and dominance) and clothing design preferences, and to examine the differences of clothing design preferences according to demographic variables of men. Subjects for the study were 255 male white-collar workers ranging in ages from twenties to fifties, in Seoul and Kwangju City, Korea. The men with higher activity of personality preferred the double jacket with 4 buttons, the combination of light color jacket and dark trousers, glen check pattern jacket, herringbone pattern jacket, light beige color dress shirts. The higher the emotional stability, the higher the preferences on diverse patterns such as fine stripe, plaid, hound\`s-tooth check, and small check pattern. The men with higher dominance preferred dark blue color suit, glen check pattern suit, and necktie of red circle, and disliked the necktie of gray circle. The men in their 20\`s and 30\`s liked the single jacket with 3 buttons, the suit of fine stripe and the necktie of gray circle more among three income groups. The higher the men\`s age and income were, the more they liked the conservative style such as a single jacket with 2 buttons. The men who reside in Seoul liked the suit of gray circle, the jacket and trousers of same color, the patternless jacket, and the patternless suit more than the men in Kwangju. Therefore, the men in methropolitan area preferred conservative clothing image. Fine stripe pattern and patternless materials were preferred when men wore jacket and trousers of same color, while glen check pattern was preferred as the pattern of jacket when jacket and trousers of different color. Male white-collar worker liked single jacket more than double jacket, and preferred the dark blue color suit and necktie, patternless suit, fine stripe suit, and the pale blue dress shirts generally. The present findings provide that the personality of male has influence on the clothing design preferences, and it is possible to infer men\`s personality by their attire.
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