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Supriadi
Department of Soil Science and Land Resources, Bogor Agricultural University, Indonesia Faculty of Agriculture, Kagawa University, Japan
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Rahayu Widyastuti
Department of Soil Science and Land Resources, Bogor Agricultural University, Indonesia
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Dwi Andreas Santosa
Department of Soil Science and Land Resources, Bogor Agricultural University, Indonesia
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Shigeyuki Tajima
Faculty of Agriculture, Kagawa University, Japan
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Mika Nomura
Faculty of Agriculture, Kagawa University, Japan