Preliminary Survey for Evaluation of N Cycling in Oil Palm Plantation on Peat Soil in Malaysia: Spatial Distribution of Dissolved Nitrous Oxide and Nitrate Concentrations in Drainage Water on a Plantation Scale


Dr. Kazuya Nishina1, Lulie Melling2, Ryuichi Hirata3, Yoshiyuki Takahashi4, Takashi Onodera1, Kevin Kemudang Anak Musin5, Joseph WENCESLAUS BIN Waili5, Jicqueline MITCHELL VARONICA Ratai5, Mohd ZULHILMY Abdullah5, Chesles Merikan5, Sakae Toyoda6 and Kotaro Terajima7, (1)NIES National Institute of Environmental Studies, Ibaraki, Japan, (2)Sarawak Tropical Peat Research Institute, Kota Samarahan, Malaysia, (3)National Institute for Environmental Studies, Tsukuba, Japan, (4)NIES National Institute for Environmental Studies, Tsukuba, Japan, (5)Tropical Peat Research Laboratory Unit, Kuching, Malaysia, (6)Tokyo Inst Tech, Yokohama, Japan, (7)Tokyo Institute of Technology, Tokyo, Japan