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강성수(Seong-Soo Kang),노안성(Ahn-Sung Roh),최승출(Seung-Chul Choi),김영상(Young-Sang Kim),김현주(Hyun-Ju Kim),최문태(Moon-Tae Choi),안병구(Byung-Koo Ahn),김현우(Hyun-Woo Kim),김희권(Hee-Kwon Kim),박준홍(Jun-Hong Park),이영한(Young-H 한국토양비료학회 2012 한국토양비료학회지 Vol.45 No.6
우리나라 논토양의 토양화학성을 4년 1주기로 정점조사하여 1999부터 2011년까지의 변화를 평가하였다. 2011년 논토양의 화학성 중 측정 평균값은 토양 pH가 5.7, 유기물함량은 26.0 g kg<sup>-1</sup>, 유효인산 함량은 131 mg kg<sup>-1</sup>을 나타냈다. 치환성 칼륨, 칼슘, 마그네슘 함량은 각각 0.3, 5.1, 1.25 cmolc kg<sup>-1</sup>이었고, 유효규산 함량은 146 mg kg<sup>-1</sup>이었다. 유효인산 함량은 적정범위 상한기준을 1.1배 초과하였고, 치환성 마그네슘과 유효규산 함량은 적정범위 하한기준의 각각 80%와 92% 수준이었다. 측정 평균값이 증가한 항목 중 과다와 적정범위의 비율도 증가하는 경향을 보였고, 적정범위보다 낮음의 비율은 감소하였다. 유효인산과 치환성칼륨 및 마그네슘 함량의 과다 비율은 다소 감소하고 부족비율은 증가하는 경향을 보였다. 따라서 양분과다 경지에 대하여는 토양검정에 의한 적정시비량을 준수하고, 규산질비료나 퇴비 등을 양분과다 경지보다는 부족한 경지로 공급될 수 있도록 하는 토양관리 또는 정책개발이 필요할 것으로 판단된다. Soil chemical properties of agricultural soils in Korea were investigated at four-years interval in order of paddy, plastic film house, upland, and orchard soils since 1999. Paddy soil samples were taken from the surface 15 cm at 4,047, 2,010, 2,110 and 2,110 sites in all provinces of South Korea in 1999, 2003, 2007 and 2010, respectively. Soil chemical properties in Korea except Jeju province were measured. Soil pH and exchangeable calcium and available silicate contents increased with increasing the application rate of silicate fertilizer and with decreasing its application interval. Soil organic matter content also increased from 22.0 g kg<sup>-1</sup> in 1999 to 26.0 g kg<sup>-1</sup> in 2011. Average concentration of available phosphate in 2011 was higher than the upper limit of its optimal range for rice cultivation. However, exchangeable magnesium and available silicate contents were below the lower limit of their optimal ranges, which were 80% and 92% of them, respectively.
르 꼬르뷔지에의 블레이즈 솔레이유의 구성유형에 관한 연구
장석진,이영한,박봉규,함정도 서울産業大學校 1999 논문집 Vol.49 No.2
Le Corbusier introduced the physical devices to Control and arrange light in his architecture works for Solving the problems of light Characterized by each region and this devices developed with Brise Soleile. Brise Soleile developed Complicated Shape of piloties, deep logia at baic of the eaves, the balcony. Le Corbusier used Brise Soileil introduced in late 1920's to adjust and control the sun in the Capitole of Chandigarh. The brise soleil at the Towel of Shadow is a device to show mostly symbolism and formativeness. For the Viceroy's Official Residence the function of space are divided according to the direction and height of the sun. The accurate determination of the depth and angle of Brise Soleil and the procession of light and shadow realized by Brise Soleil at Assemblee, Secreariat and Haute Cour et Tapisseties can be associated with that of the colonnades of Greek architecture. Le Corbusier solved the problem of the sun caused by the regional and cultural characters of India with the physical devices calculated accurately based on his concept of light and the formative factors of his spacial composition.