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김명숙,김명숙,전상호,이태구,정하일 한국토양비료학회 2022 한국토양비료학회지 Vol.55 No.4
A chelating agent helps crops to reuse as nutrients by mobilizing salts from the soil. This study was conductedto evaluate the effects of Diethylenetriamine pentaacetic acid (DTPA), N-(2-hydroxyethyl)-ethylene diaminetri acetic acid (HEDTA), and Ethylene diamine disuccininc acid (EDDS) for improving plant growth and reusingaccumulated nutrients in soils of plastic film house. Two experiments were carried out of follows: i) For theincubation test, the availability of nutrients were examined for soils treated with distilled water, 1 mM of DTPA,HEDTA and EDDS solutions. ii) In the pot test, the impacts of watermelon growth response were examined byadding 0.5, 1, and 5 mM of chelating agent to soil. In incubation test, application of chelating agents increasedthe availability of soil nutrients in the following order : DTPA ≒ HEDTA > EDDS > distilled water. However,biomass of watermelon in pot test, tended to be highest in EDDS 1 mM. The absorption amount of N, P, and Kof crop in EDDS 1 mM was similar to that of NPK treatment and K, Ca, Mg, and Fe tended to be high. SoilElectrical conductivity (EC) of 1 mM EDDS showed a 66% decrease compared to no treatment. These resultsshowed that EDDS could be improved the watermelon growth. Further research is needed to evaluate theeffects of EDDS for plant growth on field scale.
르네상스영문학과 영어학의 경계 넘기:초서주의(Chaucerism)를 중심으로
김명숙 한국중세근세영문학회 2004 중세르네상스 영문학 Vol.12 No.1
Studying the English language can be realized as syntactic approach to its phrases and sentences, phonetic or phonological approach to its pronunciations, and lexical approach to its vocabulary. Among these, the lexical approach, the study of the English vocabulary/lexicon, can be extended as one way to cross the boundaries between English literature and linguistics, particularly between Renaissance literature and linguistics as explored in this paper. The paper discusses the Inkhorn Controversy in which the borrowing of Latinate words was either approved or opposed during the English Renaissance period. It also reviews Chaucerism, an alternative to the borrowing of Latinate words, suggested by medieval English scholars. Obsolete words of Chaucerism practiced by medieval authors including John Cheke and Edmund Spenser are thoroughly examined in this paper referring to OED, to find out if they have survived in the Present Day English and if there might have been any semantic changes.