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All Journal Jurnal Teknologi Dan Industri Pangan Jurnal Lanskap Indonesia E-Jurnal Medika Udayana JURNAL HUTAN LESTARI Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Journal of Tropical Soils Berkala Ilmiah Pertanian Jurnal Sapa Laut Jurnal Agribest Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) Jurnal Ilmiah Mahasiswa Pendidikan Kesejahteraan Keluarga
. NURHAYATI
Jurusan Teknologi Hasil Pertanian, Fakultas Teknologi Pertanian, Universitas Jember. Jln. Kalimantan 37 Kampus Tegal Boto, Jember 68121. Indonesia.
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Other

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Journal : Journal of Tropical Soils

 1 
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 . Djumarti . HUSNAIN Aurora Urbahillah Deden Ramdani Dian Miranda Dini Suryani, Dini Emi Roslinda Fitrah Kurnia Sari Gama Kusuma izwani, . Joko Purnomo La Ode M. Yasir Haya, La Ode M. Maryanto - Moh. Sanjiva Refi Hasibuan Muhamad Ali Ratna Diyah Palupi Ruqiah Ganda Putri Panjaitan Sari, Putri Minas Sari.AZ, Winna Kurnia Shanti Akhiriani Sih Yuwanti Sipahutar, Ibrahim Adamy Soetriono Soetriono Syambasril . Syamswisna , Widyanto, Hery Yuli Heirina Hamid, Yuli Heirina