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석탄회(石炭灰) 시용(施用)이 토양중(土壤中) 중금속함량(重金屬含量)에 미치는 영향(影響) IV. 토양(土壤) 침투수중(浸透水中) 중금속(重金屬) 함량변화(含量變化)
김복영,이종식,소규호,조재규,박종현,Kim, Bok-Young,Lee, Jong-Sik,So, Kyu-Ho,Cho, Jae-Kyu,Park, Jong-Hyun 한국토양비료학회 1995 한국토양비료학회지 Vol.28 No.2
무연탄회(無煙炭灰)와 유연탄회(有煙炭灰)를 식양토(埴壤土)에서는 12톤/10a씩 1년 및 3년간(年間) 처리(處理)하고, 사양토(砂壤土)에서는 2년간(年間) 처리(處理)된 토양내(土壤內)의 토심(土深) 30cm, 60cm, 100cm에서의 침투수중(浸透水中) 중금속(重金屬) 함량(含量)을 조사(調査)한 결과(結果)는 다음과 같다. 1. 식양토(埴壤土) 논에서 무연탄회(無煙炭灰) 처리(處理)로 Zn는 무처리(無處理)보다 증가(增加)되었으며 토심(土深)이 깊을수록 증가(增加)되는 경향이나 유의성(有意性)은 없었다. 2. 식양질(埴壤質) 논에서 석탄회(石炭灰)를 3년간(年間) 연용(連用)한 결과(結果), 석탄회(石炭灰) 처리(處理)로 Pb와 Zn는 석탄회(石炭灰) 처리(處理)로 무처리구(無處理區) 보다 다소 증가(增加)되었고 토심별(土深別)로는 Pb만이 100cm 토심(土深)에서 증가(增加)되었으나, 기타 성분(成分)은 석탄회처리구(石炭灰處理區)가 무처리구(無處理區) 보다 감소(減少)되었다. 3. 사양질(砂壤質) 논에서 석탄회(石炭灰)를 2년간(年間) 처리(處理)로 무연탄회(無煙炭灰) 처리(處理)에서는 Cd, Ni, Mn은 유의성(有意性)있게 증가(增加)되었고 심토(深土)에서도 증가(增加)되었으나 기타 성분은 유사하거나 감소되었다. To investigate the influence of coal fly ash treatment on the heavy metal content in the infilteration water, 12t/10a/year of fly ash(Anthracite and Bituminous) were applicated at two paddy fields of different textured soils, clay loam and sandy loam, for 3 and 2 years, respectively. The infilteration waters were collected 30, 60 and 100cm of soil depth and the heavy metal contents were measured. In the paddy field of clay loam, the content of Zn in the infilteration water were increased with fly ash treatment and increasing soil depth, but it didn't show any significance. In the clay loam soil, successive application of fly ash for 3 years brought to increase Pb, Zn content in the infilteration water, Pb content was the highest at 100cm of soil depth, but the content of others were lower than non-treatment. In the paddy field of sandy loam, successive application of fly ash for 2 years increased Cd, Ni and Mn content in the infilteration water at anthracite ash application, but the contents of other elements were similar or lower than non-treatment.
이종식,김복영,우기대 ( Jong Sik Lee,Bok Young Kim,Ki Dae Woo ) 한국환경농학회 1994 한국환경농학회지 Vol.13 No.1
This study was carried out to investigate the possibility of potential injury to crops which were exposed to precipitation. The rainwater were collected from May to September in 1992 and analyzed its chemical composition. The amounts of chlorophyll and cations in plant were measured, and the morphological structure of epidermis was also investigated by SEM. The results are summarized as follows: 1. The pH of precipitation in Suwon was relatively high even with high level of SO₄^(2-) and monthly pH at May, June, July, August, and September were 4.65, 5.47, 5.32, 5.44 and 4.80, respectively. 2. The amount of ions in rainwater was in the order of NH₄^+, Ca^(2+), Mg(2+) and H^+ for cations, and SO₄^(2-), NO₃^- and Cl^- for anions. 3. pH of rain in less than 5mm of precipitation was higher than that in greater than 5mm of precipitation. 4. The amount of chlorophyll was higher in the plant exposed to rain than that in plant intercepted rain during the early portion of growing season, but at the later period, the trend was shown to be reversed. 5. When the sesame plants were exposed to rain at harvesting stage, they contained less amount of CaO, MgO and Na₂O than those with the interception of rain. 6. Scanning electron microphotographs revealed the shringkage in glandular trichomes in the epidermis of sesame leaves when they were exposed to rain.
인공산성비에 의한 농작물 잎의 조직형태 변화에 관한 연구 - Ⅰ. 고추 , 들깨 및 가지에 관하여 -
이종식,김복영,최선,이규승 ( Jong Sik Lee,Bok Young Kim,Sun Choi,Kyu Seung Lee ) 한국환경농학회 1995 한국환경농학회지 Vol.14 No.3
To investigate the alterations in the ultrastructure of leaves by acid rain, 10㎜ of SAR(Simulated Acid Rain, pH 2.0, 2.7, 3.0, 6.0) was applied to three crops(red-pepper, perilla, eggplant) at a two-day interval. The symptoms of leaf damage by SAR were observed by naked eyes and SEM(Scanning Electron Microscope), and the peroxidase activity in the leaves was measured. The results are summarized as follows : The severity of SAR damages to the crops observed by naked eye were in the decreasing order of red-pepper, perilla, and eggplant. The Symptoms were characterized by brown or white spots on the leaf surface. In the SAR treatment of pH 3.0, trichomes of all crops except for eggplant were damaged. By the SAR treatment of pH 2.7, stomata were damaged in all crops. With one time treatment of SAR, the peroxidase activity of perilla was rapidly increased.
이종식,김복영 ( Jong Sik Lee,Bok Young Kim ) 한국환경농학회 1994 한국환경농학회지 Vol.13 No.3
In this paper, the current knowledge on the formation of acid rain and its effect on vegetation are reviewed. The pollutants which were emitted into the air are oxidized by photochemical reaction and affect the vegetation by dry and wet deposition. Acid rain at pH 4.0 affected sensitive plants and when it was below pH 3.0, visible symptoms developed in most of the crops. The acid rain treatment at pH 2.0 decreased dry weight, leaf area and chlorophyll contents in soybean but it increased rate of photosynthesis and respiration rate. Rain treatment at pH 2.8 increased ethylene production, but it`s not a suitable indicator of sensitivity to acid rain. At pH 2.0 treatment, the contents of soluble Mn and Al were increased but the cultivated soil pH at upper layer(0-5㎝) was significantly decreased. The pertubation of glandular trichome which is existed along the vein was developed at all treatment except the control(pH 6.0) and non-treatment. Histological pertubation of spiked trichome and disintegration of chloroplast were developed only on the leaves of sesame treated with SAR(simulated acid rain) of pH 2.0.