Impacts of Soil Texture on Microbial Community from Paddy Soils in Gyeongnam Province
Young Han Lee, Byung-Koo Ahn, Seong-Tae Lee, Min A Shin, Eun-Seok Kim, Won-Doo Song, Yeon-Kyu Sonn
Abstract
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Young Han Lee, Byung-Koo Ahn, Seong-Tae Lee, Min A Shin, Eun-Seok Kim, Won-Doo Song, Yeon-Kyu Sonn
Abstract
Open-access reader
경남지역 논 토양의 미사질양토 11개소, 사양토 4개소, 양토 5개소를 선정하여 FAME 분석기법을 적용하여 미생물군집을 분석하였다. 곰팡이 지방산 함량은 양토가 $76nmol\;g^{-1}$ 로서 사양토 $45nmol\;g^{-1}$ 에 비해 유의적으로 많았다 (p<0.05). 토양 양이온 치환용량은 미사질양토가 $14.7cmol_c\;kg^{-1}$ 으로 사양토 $11.8cmol_c\;kg^{-1}$ 보다 유의적으로 높았다(p<0.05). cy19:0과 18: $1{\omega}7c$ 비율은 미사질양토가 0.77로 사양토 0.47 보다 유의적으로 높았다 (p<0.05). 방선균 군집은 양토가 1.34%로 사양토의 0.92%에 비해 유의적으로 많았다 (p<0.05). The present study evaluated the soil microbial communities by fatty acid methyl ester (FAME) method in paddy soils at 11 sites for silt loam, 4 sites for sandy loam, and 5 sites for loam in Gyeongnam Province. The FAME content of fungi in loam ( $76nmol\;g^{-1}$ ) was higher than that of in sandy loam ( $45nmol\;g^{-1}$ ). Sandy loam had significantly lower ratio of cy19:0 to 18: $1{\omega}7c$ compared with that of silt loam (p<0.05), indicating that microbial stress decreased. In addition, actinomycetes community of loam was higher than that of sandy loam.
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경남지역 논 토양의 미사질양토 11개소, 사양토 4개소, 양토 5개소를 선정하여 FAME 분석기법을 적용하여 미생물군집을 분석하였다. 곰팡이 지방산 함량은 양토가 $76nmol\;g^{-1}$ 로서 사양토 $45nmol\;g^{-1}$ 에 비해 유의적으로 많았다 (p<0.05). 토양 양이온 치환용량은 미사질양토가 $14.7cmol_c\;kg^{-1}$ 으로 사양토 $11.8cmol_c\;kg^{-1}$ 보다 유의적으로 높았다(p<0.05). cy19:0과 18: $1{\omega}7c$ 비율은 미사질양토가 0.77로 사양토 0.47 보다 유의적으로 높았다 (p<0.05). 방선균 군집은 양토가 1.34%로 사양토의 0.92%에 비해 유의적으로 많았다 (p<0.05). The present study evaluated the soil microbial communities by fatty acid methyl ester (FAME) method in paddy soils at 11 sites for silt loam, 4 sites for sandy loam, and 5 sites for loam in Gyeongnam Province. The FAME content of fungi in loam ( $76nmol\;g^{-1}$ ) was higher than that of in sandy loam ( $45nmol\;g^{-1}$ ). Sandy loam had significantly lower ratio of cy19:0 to 18: $1{\omega}7c$ compared with that of silt loam (p<0.05), indicating that microbial stress decreased. In addition, actinomycetes community of loam was higher than that of sandy loam.
Key concepts: Loam, Soil water, Soil texture, Agronomy, Environmental science, Chemistry, Soil science, Biology