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- 저자 : 진주현 (검색결과 85 건)
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진주현,권효숙,정현철,이선일,이형석,박혜란,유예슬,이종문,이윤호 한국토양비료학회 2023 한국토양비료학회지 Vol.56 No.4
The minimum tillage is a method of reducing energy consumption and greenhouse gas emissions by only tilling the part of areas where crops are planted. Until now, most studies have estimated greenhouse gas emissions only from the gases emitted during crop cultivation in rice paddy. However, greenhouse gases are also emitted from agricultural material (energy, fertilizers, pesticide, and other materials) inputs. Therefore, this study aims to comprehensively estimate greenhouse gas emissions from agricultural material inputs and minimum tillage conducted paddy during rice cultivation. The experiment was conducted in rice paddy from Gimje, South Korea, where conventional tillage and minimum tillage were implemented. Greenhouse gas emissions were obtained by direct measurement of methane (CH4) and nitrous oxide (N2O) emissions from rice paddy and calculation using life cycle assessment (LCA) for emissions from agricultural material input. The results showed that direct GWP during crop growth were 1.42 Mg CO2-eq. ha-1 in conventional tillage, and 1.02 Mg CO2-eq. ha-1 in minimum tillage. Greenhouse gas emissions from the input of agricultural materials were 0.84 Mg CO2-eq. ha-1 in conventional tillage and 0.63 Mg CO2-eq. ha-1 in minimum tillage. Minimum tillage (1.65 Mg CO2-eq. ha-1) was lower in the total greenhouse gas emissions (direct emissions + emissions from agricultural material inputs) than conventional tillage (2.26 Mg CO2-eq. ha-1). This is a result indicating that greenhouse gas emissions are greatly affected by direct emission in paddy and energy input, which could reduce greenhouse gas emissions when the minimum tillage was applied than the conventional tillage. It is expected that greenhouse gas emission reduction strategies in the agricultural sector could be reduced by applying minimum tillage to cropland and reducing the use of agricultural material.
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Structural Equation Model of the Quality of Working Life among Cancer Survivors Returning to Work
진주현,이은주 한국간호과학회 2021 Asian Nursing Research Vol.15 No.1
Purpose: This study aimed to construct and validate a model of the quality of working life (QWL) among cancer survivors returning to work. Methods: A cross-sectional study was developed. Participants included 204 cancer survivors in the extended cancer survivor stage, 6 months after returning to work, who were treated at two tertiary hospital cancer centers. The data were analyzed with SPSS 22.0 and AMOS 20.0 for confirmatory factor analysis to assess the hypothesis fit and verify the hypothesis. Results: Factors affecting cancer survivors’ quality of working liferesulted in cancer stigma and social support (explanatory power was 43.1%) and the model showed acceptable goodness of fit. In the final model, cancer stigma had a significant direct effect on social support and indirect effect on organizational health, employee health, and QWL. Additionally, social support had significant direct effect on organizational health, employee health and QWL. Conclusion: Based on the results of this study, there is a need to develop strategies and effective intervention programs that can increase the support of supervisors and colleagues for improving overall quality of work life. Furthermore, the development of policies and intervention programs to reduce cancer stigma for the purpose of transforming perceptions through education and public relations which are indirect factors that affect the quality of work life, can contribute to improving the quality of work life for cancer survivors.
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