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학술저널
저자정보
좌재호 (국립원예특작과학원) 문경환 (국립원예특작과학원) 최경산 (국립원예특작과학원) 김성철 (국립원예특작과학원) 고상욱 (국립원예특작과학원)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제46권 제2호
발행연도
2013.4
수록면
122 - 128 (7page)

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This study was carried out to evaluate the soil dehydrogenase activity and microbial biomass C with soil type and land use in cropland of JeJu region. Soil chemical properties, dehydrogenase activity, and microbial biomass C were analyzed after sampling from upland (50 sites), orchard (50 sites), paddy (30 sites), horticultural facility (30 sites) in March. Average pH values was at 6.3 in upland soil, however soil chemical properties showed a large spatial variations in both orchard and horticultural facility soil. The Zn and Cu contents increased by the continuous application of pig manure compost in some citrus orchard soil. Soil dehydrogenase activity and microbial biomass C were higher in non-volcanic ash than in volcanic ash soil regardless of land use type. Soil dehydrogenase activity was two to four times higher in upland than in the others. It was at 38.7 ug TPF 24h<SUP>-1</SUP>g<SUP>-1</SUP> in non-volcanic ash of upland soil. Microbial biomass C content was very high in horticultural facility soil and it showed at 216.8 mg kg<SUP>-1</SUP> in non-volcanic ash. Soil dehydrogenase activity showed a positive correlation with organic matter (r²=0.59), Zn (r²=0.65), and Cu (r²=0.66) in non-volcanic ash horticultural facility soil. There was a negative correlation (r²=0.57) between soil organic matter and dehydrogenase activity in volcanic ash upland soil.

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UCI(KEPA) : I410-ECN-0101-2014-520-002615501