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임정현,안병구,조성현,정주형,이은영,서경원 한국토양비료학회 2022 한국토양비료학회지 Vol.55 No.3
This study was conducted to evaluate the effect of application of various organic materials for long-term on the changes of soil chemical properties and the quality and productivity of watermelon growing in the plastic film house. Five treatments were established as follows: straw alone (RS1, RS2) or mixed with Protaetia brevitarsis larvae manure (PLM), rice hull biochar (RHB), and wood crumb (WC), respectively. The soil pH and organic matter content increased, and the EC (Electrical conductivity) decreased significantly in the first year and showed a stagnation period after second year. The available P2O5 content increased until the second year and then decreased. Exchangeable K increased to the third year and then decreased, and exchangeable Ca decreased to the second year. Exchangeable Mg did not change until the third year, but decreased in the fourth year. The watermelon weight was the heaviest in the RS2+PLM plot in the first year and RS2+RHB plot in the second year, but there was no difference in the plot section in the third and fourth years. The sugar contentincreased with the long-term application of organic materials. Therefore, mixed application of Protaetia brevitarsis larvae manure, rice hull biochar, and wood crumb with rice straw for more than three years, to grow watermelons organically in the plastic film house, is considered effective in improving the soil environment and the yield and quality of watermelons.
현대중국어 `다(多)`의 기능범주적 특징 ―의문과 감탄 용법의 연관성과 차이점을 중심으로
임정현 한국중국어문학회 2012 中國文學 Vol.70 No.-
本文着重探討現代漢語`多`的功能範疇特徵, 亦卽疑問與感嘆用法。 基於算子-變項的依存關係, `多`的疑問與感嘆用法之間顯現出種種句法上的共性; 同時, 語用上的不同功能引發了算子-變項的屬性內涵之差異。 分割的標句詞組能勾有效地反映出共時平面上`多`的句法, 語用特徵, 也可以呈現出歷時斷面上`多`的詞彙演變歷程。