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Journal : Journal of Tropical Soils

CO2 Emissions from Tropical Peat Soil Affected by Fertilization Husnain, .; Sipahutar, Ibrahim Adamy; Purnomo, Joko; Widyanto, Hery; Nurhayati, .
JOURNAL OF TROPICAL SOILS Vol. 22 No. 1: January 2017
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2017.v22i1.1-9

Abstract

The conversion of peat soils to agricultural uses has been thought to increase CO2 emission due to several factors, including fertilization. However, evidence on the effect of fertilization on CO2emissionsfrompeat soils is rareand often inconsistence. We measured the effects of different types of fertilizer, including N, P and K sources, and clay as an ameliorant on CO2 emission from a bare peat soil in Lubuk Ogong, Riau Province. Nutrients were added in the following combinations: 0 (unfertilized plot), N source (urea), slow-release N (slow release urea), N and Psource (Urea+SP-36), N, P and K sources (urea+SP-36+KCl) and combined NPK-Clay. Fertilization resulted in a decreasein CO2 emissions compared to that prior to fertilization except when slow-release urea was applied. Decreasing of CO2 emissions was probably due to pH-related effects because the pH in the N treatment was lower than in both the control and the unfertilized plot. A decreasein the level of CO2 emissions among the treatments followed the order NPK-Clay>NP>NPK>urea>slow-release urea. Covariance analyses showed that the difference in CO2 emissions prior to treatment was not significant. The application of individual and combined treatments of N, P, K and NPK mixed with 5 Mg ha-1 clay led to significantly reduced CO2 emissions from bare peat soil in Lubuk Ogong, Riau Province. In addition to fertilization, the water table depth was the only parameter that significantly affected the CO2 emissions (P<0.05). We conclude that the application of nutrient combinations, including N, P, K and clay, could reduce CO2 emissions because these treatments maintain a balanced nutritional condition in the soil with respect to the microbial activity.Keywords: Amelioration, CO2 emission, fertilization, tropical peat soils   
Co-Authors . HUSNAIN . NURHAYATI AA Sudharmawan, AA Abdur Rahman Adi Rahman, Adi Adipandang Yudono Adriani, Dewi Erika Agustina Asri Rahmianna Ahfandi Ahmad Akmal Akmal Ali Maksum Andayani, Mury Andi Mappatompo Andri, Gus Anggraeni, Nila Ayu Apriani, Rila Rahma Asmara, Yusuf Vindra Atika Ratna Dewi Ayu Ignatyandari, Rinda Bayu Prasetyo, Bayu Damayanti, Ratnaningsih Dian Agustina Dian Herawati Didik Harnowo Eriyanto Yusnawan Faleh Setia Budi Fine Reffiane Fitriani, Nugraheni Giovanni, Lucky Giyoto Hadi Prasutiyon Hadi, Yovita Yuantari Christi Hamdie, Badaruddin Harjono, Yusuf Hartadi , Agung Hartanto, Arvin Hartoko, Priyadi Herliwati Herliwati, Herliwati Hermawan, Surya Hilda Susanti Himam, Mohamad Faikhul I Made Jiwa Astika Ida Nugroho Saputro Imam Nugraha, Muhammad Imron, Choirul Indra Indra Indra Suharyanto Indya Dewi Irfan Helmy Islah Islah, Islah Iswandi Iswandi Juliansyah, Rendy Jumar Jumar Kirana, Hashimia Nindya Krismonika, Osi M. Faishal Aminuddin Maesa, M. Pemie Ricotama Mahrinasari MS Malindha, Erma Mijani Rahman, Mijani Mislawati, Mislawati Mohammad Effendy Moreta, Yos Aru Muhammad Akbar Setiawan, Muhammad Akbar Muhammad Rizki Muslih, Diena Izzaty Naima Haruna, Naima Nanda, Ni Putu Rianti Sukma Nasrodin Nasrodin, Nasrodin Ningsih, Puspa Evi Ratna Kumala Nisa, Durotun Nol Hakim, Lukman Nugroho, Agung Nur Wening, Nur Nurlita, Saskia Nurokhman, Nurokhman Nur’ainingsih, Dyah Permono, Muhammad Sidiq Prastawa, Reza Pahlevi Pratama2, Ilham Purnomo, Bayu Purnomo, Yusuf Chandra Putra, Nofri Kurnia Putri, Tiara Anggina Putripertiwi, Dwija Qoriati Mushafanah Rahman Sidik, Rifqi Rahmawan, Eldika Riza Raihani Wahdah Rakam, Rakam Ramadani, Qudsi Ramadhani, Gilang Ahmad Reni Oktaviani Riana Safitri Rianti Yunita Kisworini, Rianti Yunita Rifangi, Muhammad Riyandari, Lutvi Ronny Hakim, Muhammad Rony Riduan Ruth Melliawati Safitri, Riana Saputra, Riza Adrianoor Saputro, H.D. Sari, Puspa Eva Ratna Kumala Satwika Widyadhana, Zaki Senyum Indrakila Septiana, Noni Setianti, Novita Setiono, Rizki Latif Setiyono Setiyono Setiyono Shalma, Ulfah Nur Singgih Subagyo Sipahutar, Ibrahim Adamy Siti Nur Azizah, Siti Nur Sofii, Muh Suharyo, Okol Sri Suharyo, Okol Sri Sujarwo Sujarwo Sujoko Sujoko Sukmana, M. Laily Qadry Sulistiono Sunaryono Sunaryono, Sunaryono Suparno Suparno Suparno Suprapto Suprapto Susilo, A.K. SYARIFUDDIN KADIR Thomas Nugroho Tumanggor, Agustina Uge, Emerensiana Ujang Sehabudin, Ujang Untung Santoso Valgin Saputra, Al Nizar Wahyu Hidayat Wahyuna, Azizunnisak Hidayati Wibakti, Aji Restu Widyanti Soewoto, Widyanti Widyanto, Hery Wika Purbasari, Wika Yudan Hermawan Yudhi Ahmad Nazari Yunistria, Ika Yustisia, Ika Rizki Yusuf Hardjono, Yusuf Zainal Yahya Idris Zairin, Zairin Zulfan