Oslan Jumadi, Yusminah Hala, Iswandi Anas, Alimuddin Ali, Kazunori Sakamoto, Masahiko Saigusa, Kazuyuki Yagi, Kazuyuki Inubushi
The potentials of nitrous oxide (N2O) and carbon dioxide (CO2) production in acid tea soils from Indonesia and Japan were investigated in a laboratory incubation experiment, and the community structures of ammonia-oxidizing bacteria in these soils were characterized using PCR-DGGE approaches. The soils used were sampled from tea plantations in Shizuoka, Japan and in Bogor and Malino, Indonesia. All of the soils were acidic (pH 3.45 to 4.00). The N2O and CO2 production in Shizuoka was almost 5 times higher than in Bogor and Malino. All of the amoA gene sequences defined belong to the genus Nitrosospira sp. with cluster 2 and cluster 3a.
Graduate School of Science and Technology, Chiba University, Matsudo, Japan; Department of Biology, Faculty of Mathematics and Natural Science, Makassar State University, Makassar, South Sulawesi, Indonesia; Faculty of Agriculture, Bogor Agricultural University, Bogor, Indonesia; Graduate School of Horticulture, Chiba University, Matsudo, Japan; Toyohashi University of Technology, Toyohashi, Aichi, Japan; National Institute for Agro-Environmental Science (NIAES), Tsukuba, Ibaraki, Japan
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