The effects of seeding and clipping termination dates, and seeding and fertilizer rates on forage and grain yields were evaluated in 1989 harvest year for dual production of forage and grain of naked and malting barleys in Cheju province. In the experiment I, 'Saessalbori' (naked barleY)1 and 'Doosan 22' (malting barley) were seeded on Sept. 21, Oct. 12 and Nov. 2, respectively. An unclipped(grain-only) treatment that was planted on Nov. 2 was included for check. In the experiment II, the two above cultivars were planted at seed rate of 14, 20 and 26 and kg/l0a. Fertilizer rates were 9-6-12, 17-13-8 and 22-16-11 (N-P$_2$O$\sub$5/-K$_2$O) kg/l0a. Seeding dates were Oct. 13 and Nov. 7 for clipped treatments and grain -only treatment(seeding rate: 14kg/l0a, N-P$_2$O$\sub$5/-K$_2$O=9-6-12 kg/l0a), respectively. All treatments in both experiments were harvested for grain yield. In Saessalbori, survival following forage removal was 100% regardless of seeding and clipping termination dates, and seeding and fertilizer rates. In Doosan 22, survival percenage decreased with increasing seeding and fertilizer rates when plants was clipped in January to Febuary. Forage yield of two cultivars increased with early planting and delays in clipping termination and tended to increase as seeding and fertilizer rates were increased. Crude ash and fat were not affected by seeding and fertilizer rates, and clipping date. Crude protein increased with an increase in fertilizer rate and decreased with delays in clipping date. N free extract tended to increase with delaying clipping date and decreased with increasing fertilizer rate. Earlier planting resulted in earlier heading and maturity. Clipping slightly delayed heading of Saessalbori and greatly delayed that of Doosan 22. Maturity of Doosan 22 was delayed 3 to 5 days by increased fertilization. Clipping shortened culm length more severely in Doosan 22 than in Saessalbori. The later the clipping termination, the shorter the culm length. The number of spikes per m$^2$ and the number of kernels per spike were not affected by clipping in Saessalbori while those of Doosan 22 were decreased with delays in clipping termination. Delaying forage harvest resulted In a reduction in grain yield. However, final clipping on Feb. 27 reduced grain yield of Saessalbori by only 6-11 % compared to the grain-only treatment. In Doosan 22, forage harvest after Dec. 28 resulted in 6 to 66% reduction of grain yield. The data indicate that grazing of naked and malting barleys until late Feb. and late Dec., respectively, might not reduce grain yields when planted on mid-Sept. to mid-Oct.
Journal of the Korea Institute of Building Construction
/
v.8
no.6
/
pp.123-129
/
2008
The purpose of this study is to test performances of 14 types of root barrier materials by applying testing plant: and soils suitable for weather and natural features of Korea. For testing Plants, Plioblastus pygmaed Mitford A and Pyracantha angustifolia have been selected. For testing soil, mixture of pearlite and peat moss in 3:1 ratio Testing container has been fabricated with duplicated structure having inner and outer containers. And the outer container has 2 hinges on its side wall to allow opening and closing. Wet rock wool with 50mm in thickness has been inserted between inner and outer containers to allow root to penetrate through root barrier material and continue to grow. We planted 12 Plioblastus pygmaed Mitford A. and 4 Pyracantha angustifolia per one testing container. Three testing samples have been made for 1 type of root barrier material, which become a total 42 specimens. Planted testing samples have been installed within the greenhouse, which will be observed regularly for 2 years from now on. We started test from July 11, 2008 and had performed intermediate observations every month for initial 3 months. From the 3rd intermediate observation on Sept. 18, we confirmed that 6 types of roe barrier materials have penetrated roots. Even though two types of them have been generally used as root barrier materials for roof planting system, all of three testing samples have a lot of penetrated roots. This result proves that it is not reasonable to introduce testing methods of root barrier from Europe. USA or Japan.
Journal of The Korean Society of Grassland and Forage Science
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v.8
no.1
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pp.14-19
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1988
This experiment was conducted to investigate the effects of the different cutting height on the changes of nonstructural carbohydrate contents, winter survival, spring yields of Italian ryegrass, tall fescue and pernennial ryegrass swards. It was carried out on the experimental field of Livestock Experiment Station, in Suweon, from Sept. 1986 to May 1987. The results obtained are summarized as follows: 1. The changes in soil surface temperature of plots were slightly appeared among grasses. But not appeared with cutting heights. 2. Nonstructural carbohydrate contents of three grasses until wintering showed much more in line with unclipped, 15 cm cutting and 6 cm cutting height. Among three grasses, Italian ryegrass was highest and tall fescue was lowest. Otherwise, wintering survival was not show the difference among grasses and cutting heights. 3. The green yields was much more producted in line with Iralian ryegrass, perennial ryegrass and tall fescue. But in dry matter yields, it was not significantly different among grasses and cutting heights.
We assessed the stock of the southern bluefin tuna (SBT, Thunnus maccoyii) by applying the MULTIFAN-CL model. The model is spatially disaggregated, with the population and fisheries stratified into a number of regions within the overall stock range. Catch, effort, length-frequency, and tagging data from 1965 to 2003 were stratified by three regions and four quarters (Jan-Mar, Apr-Jun, Jul-Sept and Oct-Dec). These data were used to estimate the instantaneous fishing mortality (F), biomass, spawning biomass, recruitment, and so on. The Commission for the Conservation of Southern Bluefin Tuna (CCSBT) used only Japanese data and did not consider migration for the SBT stock assessment. By contrast, we used Japanese, Australian, New Zealand, Taiwanese, and Korean data, and considered migration. As a result, the estimated annual average F of all age classes was 0.073/yr and the F of age class 6-10 was the highest. The results also showed that the biomass and recruitment of SBT had declined significantly after 1965. Compared with the CCSBT results, the estimated spawning biomass in this study was lower and more uncertain. However, we will conduct a sensitivity analysis to get more accurate biological parameters and results. In addition, we need to use the bootstrap resampling method to quantify the uncertainty.
Purpose: To report the clinical results and efficacies of one stage reverse lateral supramalleolar adipofascial flap for soft tissue reconstruction of the foot and ankle joint. Material and Methods: We performed 5 cases of one stage reverse lateral supramalleolar adipofascial flap from Jan 2005 to Sept 2005. All patients were males and mean age was 50(36~59) years old. The causes of soft tissue defects were 1 diabetic foot, 2 crushing injuries of the foot, 1 open fracture of the calcaneus, and 1 chronic osteomyelitis of the medial cuneiform bone. Average size of the flap was 3.6(3~4)${\times}$4.6(4~6) cm. All flaps were harvested as adipofascial flap and were performed with the split-thickness skin grafts (STSG) above the flaps simultaneously. Results: All flap survived completely and good taking of STSG on the flap was achieved in all cases. There were no venous congestion and marginal necrosis of the flap. In diabetic foot case, wound was healed at 4 weeks after surgery due to wound infection. There was no contracture on the grafted sites. Ankle and toe motion were not restricted at last follow up. All patients did not have difficulty in wearing shoes. Conclusion: The reverse lateral supramalleolar adipofascial flap and STSG offers a valuable option for repair of exposure of the tendon and bone around the ankle and foot. Also one stage procedure with STSG can give more advantages than second stage with FTSG, such as good and fast take-up, early ambulation and physical therapy, and good functional result.
Journal of agricultural medicine and community health
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v.6
no.1
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pp.61-67
/
1981
This survey was undertaken to evaluate the status of clonorchiasis in Chang-gok Myun, Hong-Seong Gun adjacent to Yedang reservoir from Sept., 1980 to Oct., 1981. A total of 550 subjects (male 318, and female 232) were examined by cellophane-thick smear technique and formalin-ether method. In order to identify the intensity of the Clonorchis sinensis infection, Stoll's egg dilution counting method was also applied to the C. sinensis positive cases. The following results were obtained in this survey; 1. In the examination of 550 subjects, Clonorchis sinensis eggs were found in 167 cases (30.4%). Male subjects showed 43.4% positive rates and female represented 12.5%. 2. The highest prevalence rate of Clonorchis sinensis was found in 40~49 year group in male (64.2%) and 30~39 year group in female (22.0%), although 14.3%~16.7% positive rates were found in young aged group. 3. Mean E.P.G. of Clonorchis sinensis infected cases were 6,148, showing 7,533 in male and 5,193 in female. 4. The degree of intensity of Clonorchis sinensis infection by E.P.G. count was distributed as 30.4% in light infection (1~999), 45.7% in moderate infection (1,000~29,999) and 5.8% in very heavy infection (over 30,000) in male. Female showed 48.3% in light, 37.9% in moderate, 10.3%. in heavy and 3.5% in very heavy infection. 5. Other helminthic infection rate was 15.6% in Ascaris lumbricoides infection, 15.1% in Trichuris trichiura infection and 4.4% of male subjects showed eggs of Taenia species.
This study was attempted to investigate the main factors affecting health perception of the patients following cardiac valve replacement surgery. Data were collected from Sept. 1 to Oct. 31, 1984 through administration of questionnaire developed for this study by the researcher. The subject was 95 patients who received follow up care following cardiac valve replacemert surgery at S.N.U.H. The data were analyzed by T-test, oneway ANOVA, pearson correlation and multiple regression according to dependent variables. The results were as follows. \circled1 Average self-health perception of those patients. were 4.62, (maximum; 7 minimum; 1) and they showed on affirmative response for their health condition, \circled2 There was significant difference in health perception according to sex difference. Men had higher health perception than women. (t=2,83, p=0.006) \circled3 There was significant difference in health perception according to occupation. Those who had occupation showed higher health perception those who had no occupation. (t=3.25, p=0.002) \circled4 The longer post-operative period elapsed, the higher health perception was, and there was significant difference in health perception (f=0.2958, p=0.002). \circled5 The higher age was, the lower health perception was, and there was a significant difference in health perception. (${\gamma}$= -0.2485, p=0.008) \circled6 The fewer subjective psychosomatic symptoms were, the higher health perception was, and there was a significant difference in health perception. (f = -0.4988, p=0.0000) \circled7 The more active daily activities were, the higher health perception was, and there was a significant difference in health perception. (${\gamma}$=0.6359 p=0.0000) \circled8 The main factors predicting health perception .are like these. \circled1 Daily activities (42.7%), highest variable. \circled2 Psychosomatic symptoms (7.29%) \circled3 Elapsed period after cardiac valve replacement surgery (1.89%) \circled4 Existence of occupation (1.87%) \circled5 Sex (1.78%) \circled6 Age (0.8%).
The purpose of this study was to examine the effects of a mileage program on consumers' negative emotions and behavior when the program failed. To accomplish the purpose of this study, the failures in mileage programs were classified into three types(refusal, delay, reduced advantages) with two types of customers' commitment(affective and calculative), and an experimental design was used to verify the effect of customers' negative emotions on their negative behavior when the programs fail. A total of 600 university students in Seoul and Pusan areas were surveyed from 1st of Sept. to 30th in 2009. The result suggests that both consumers with affective commitment and those with calculative commitment felt negative emotions(regret, disappointment) when a mileage program failed. Consumers with affective commitment to a company are expected to give negative words of mouth to others. Also, consumers with calculative commitment to a company are expected to complain and give negative words of mouth to others.
Effect of raising types and environmental conditions on the infection of Toxoplasma in the swine, the cat and the man were studied in Cheju Island from Sept. 1987 to Aug. 1988. Blood samples were taken from 214 conventionally raised swine in 6 villages and 506 swine raised in swine specialized farms, 122 cats raised under free moving or restraned conditions in 8 locations, 113 butchers, and 210 villagers. Toxoplasma antibody values of the blood sera were determined using the enzymelinked immunosorbent assay (ELISA). The eating type of viscera was also investigated by using questionaires 1. When ELISA method was used, the percentage of Toxoplasma infected swine among the conventionally raised and of those raised in swine specialized farms were 60.7% and 21. 390, respectively. The respective mean of antibody values (${\pm}SD$) were 0.589 (${\pm}0.310$) and 0.385 (${\pm}0.237$) and differed very significantly (p<0.01). A significant difference was also found in antibody values among 6 villages (p<0.05). 2. The mean infection percentage of toxoplasma in the cat was 38.2%. the infection percentage for cats raised under free-moving and re~;trained condition were 37.0% and 38.2% respectively. The respective antibody values(${\pm}SD$) for toxoplasma were 0.600(${\pm}0.614$) and 0.637 (0.645), and did not difference significantly. 3. The infection percentage of toxoplasma in villagers and butchers were 26.2 and 38.3% respectively. The respective antibody values (SD) for toxoplasma were 0.429(${\pm}0.195$) and 0.341 (${\pm}0.236$), and differed very significantly (p<0.01). There were also highly significant differences Pyo-sun and other village (p<0.01). 4. Analysis of the questionaires showed that 26.0% of 392 villages eated liver and some villagers eated other viscera.
Among the skeletal tuberculosis, tuberculous spondylitis is high incidence and curable disease, if early diagnosis and treatment are possible. We reviewed clinical manifestations and radiologic analysis of 30 cases tuberculous spondylitis from May 1983 to Sept. 1986, at Yeungnam medical center, Yeungnam University. The results were follows : 1. The frequent involve sites were thoracolumbar vertebra. 2. The continuous lesion is 86.7% of the all cases. 3. The most common type was intervertebral type, and lytic and sclerotic lesion were same incidence. 4. Paravertebral abscess, kyphosis and disc space narrowing were demonstrated more than 80.0% of the cases. 5. Computed tomography was more accurate diagnostic method rather than conventional plain study to evaluation of extent of lesion, involvement of spinal canal and cord, and size and location of paravertebral abscess. And CT guided abscess drainage procedure was helpful to diagnosis and treatment. 6. Ultrasonography was helpful to differential diagnosis between paravertebral abscess and other solid mass, and useful to follow up study of paravertebral abscess after treatment.
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