ESTIMASI EMISI LANGSUNG NITRUS OKSIDA (N2O) ASAL APLIKASI PUPUK NITROGEN AN-ORGANIK PADA PERKEBUNAN SAWIT DI LAHAN GAMBUT (Estimating Direct Emission Of Nitroues Oxide (N2O) From Chemical N Fertilizer Application To Peat Land Under Oil Palm Plantation - Putriana, Winda (Asosiasi Ahli Perubahan Iklim dan Kehutanan Indonesia, 2015)