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염규진,전근우,차두송,이시영,이현규,이명욱,김윤진,이진호,김석우,강기차부,Yeom. Kyu-Jin,Chun. Kun-Woo,Cha. Doo-Song,Lee. Si-Young,Lee. Hyun-Kyu,Lee. Myung-Woog,Kim. Youn-Jin,Lee. Jin-Ho,Kim. Suk-Woo,Tsugio. Ezaki 한국방재학회 2007 한국방재학회 학술발표대회논문집 Vol.2007 No.1
The fire area need management to prevent enlargement of collapes and sinkage. and it need that repair Vegetation sack work, Soil arresting structure, Terrace-sodding works, Direct seeding works in greening works and Water cushion in erosion control dam. The whole of the Concrete stream grade stabilization structures were broken, it need to be repair. As pass the time, a lot of structures were abandoned. Therefore, it need to reorganize erosion control structures and the method of construction in the fire area
토양 pH와 질소 관비 비종에 따른 토마토 생육 및 토양화학성 변화
강윤임 ( Yun Im Kang ),노미영 ( Joon Kook Kwon ),권준국 ( Joon Kook Kwon ),박경섭 ( Kyoung Sub Park ),조명환 ( Myeong Whan Cho ),이시영 ( Si Youn Lee ),이인복 ( In Bok Lee ),강남준 ( Nam Jun Kang ) 한국환경농학회 2010 한국환경농학회지 Vol.29 No.4
This study was conducted to determine effects of soil pH and form of nitrogen fertilizers on tomato growth and chemical properties of greenhouse soil using ferigation system. Tomato (Lycopersicon esculentum Mill. cv. Superdoterang) were grown for three months in 18 L pots filled with two soil (pH 6.8 and pH 8.7). 4 different nitrogen fertilizers (urea, ammonium nitrate, ammonium sulfate, and potassium nitrate) were fertigated with different concentrations of 0, 10, 50, and 100 mg N/L during tomato cultivation. Soil pH 8.7 decreased yield and chlorophyll fluorescence compared with soil pH 6.8. Yield at soil pH 8.7 increased by ammonium nitrate and ammonium sulfate fertigation. Soil pH 6.8 induced increment of yield by nitrogen concentration than form of nitrogen fertilizers. Soil pH after cultivation of tomato decreased by application of ammonium nitrate and ammonium sulfate. Soil EC by 100 mg N/L application of ammonium sulfate was twice as much as other fertilizers. Form of nitrogen fertilizer had less effect on concentration of soil NH4+-N and NO(3-)-N in soil but the concentrations slightly reduced at pH 8.7. These results indicate that application of urea and ammonium nitrate for a nitrogen source of fertigation has little affects on soil chemical properties before and after tomato cultivation.