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All Journal Jurnal Ilmu Lingkungan EnviroScienteae AGRIPEAT Jurnal Agrium BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Journal of Multidisciplinary Applied Natural Science Jurnal Kaharati
Zafrullah Damanik
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Education Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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RESPON BIBIT KELAPA SAWIT ATAS PEMBERIAN PUPUK ORGANIK PADA TANAH GAMBUT DI KALIMANTAN TENGAH (Palm oil seedling response of organic fertilizer on peat soil in Central Kalimantan) ., Sustiyah; Y, Sulistiyanto; Z, Damanik,
AGRIPEAT Vol 19, No 2 (2018): JURNAL AGRIPEAT VOLUME 19 NO. 2 SEPTEMBER 2018
Publisher : Universitas Palangka Raya

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ABSTRACTThe purpose of this study was to determine response  of main nursery palm seedlings for application of organic fertilizers on soil peat. The experiment used completely randomized factorial design consisting of two factors. The first factor was petroganik fertilizers (P)  consists of four levels: Po = control or no petroganik (0 kg/plants), P1 = petroganik 0,5 kg/plants, P2 = Petrogenik 1 kg/plants;  P3 = Petrogenik 2 kg/plans. The second factor was bokhasi kayambang fertilizers (K) consists of four levels: Ko = control or no bokhasi kayambang (0 kg/plants); K1 = Bokhasi Kayambang 0,5 kg/plants; K2 = Bokhasi Kayambang 1 kg/plants; K3 = Bokhasi Kayambang 2 kg/plants. The each treatment was replicated five times. Observed variables were plant height, number of leaf midrib, number of primary root and length of primary root. Results showed that interaction between the application of petroganik fertilizers 2 kg/plants and bokhasi kayambang fertilizers 1 kg/plants (P3K2), respond positively to the growth of oil palm seedlings main nursery whith soil pH 5,95.  This treatment produced the highest plant height, the largest number of leaf midrib, the best root number and length of primary root.Key word : oil palm seedling, rubber waste liquid, fertilizer  
PERANAN LAPIS GAMBUT TERHADAP MOBILITAS KARBON ORGANIK TERLARUT DAN PELEPASAN ION FE DAN AL PADA TANAH GAMBUT BERSUBSTRATUM BAHAN SULFIDIK (The Role of Peat Layer to DOC mobility and Fe and Al Ions release on Peatland with sulphidic substratum) Z., Damanik,; B.H., Purwanto,; E, Hanudin, E; B, Radjagukguk, B
AGRIPEAT Vol 16, No 2 (2015): Jurnal AGRIPEAT, Vol 16 No 2 September 2015
Publisher : Universitas Palangka Raya

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ABSTRAKThe objectives of this study was to investigate the role of peat layer in the mobility of DOC and therelease of toxic elements from the underlying sulphidic materials for the various peat thicknesses. Thestudy was conducted in the soil department greenhouse, Faculty of Agriculture, Gadjah MadaUniversity from July to August 2015The experiment conducted in soil column made from PVC pipewhich have different peat layer thicknesses (without peat layer, < 50 cm, and 50-100 cm). Leachingwas conducted every week, with 500 cc distilled water for 4 weeks. Filtrate was collected, and pH,dissolved organic carbon, and Fe and Al ions was analyzed. The results of the study showed thatdiminution of thickness of the peat stratum of the soils underlaid by sulphidic material substratumcaused the release, and mobilization of Fe2+ and Al3+- ions along with leaching water which mighthave a significant impact in decreasing the quality of the surrounding water environments in the formof acidification, and enrichment of Fe2+ and Al3+ ions. In addition to the impact of the thickness of thepeat stratum, quality of the leaching water was also determined by the quality of the peat material,primarily the degree of decomposition, and concentration of DOC which played the role of chelatingagent for toxic ions such as Fe and Al.Key Word : Mobility, Organic Carbon, Ion Release, Sulphidic.
KAJIAN PERUBAHAN JERAPAN DAN KETERSEDIAAN P PADA TANAH ULTISOL DENGAN PEMBERIAN LIMBAH KELAPA SAWIT (The Study of P Adsorption and Availability Changes on Ultisols with the Granting of Oil Palm Wastes) D., Pertiwi,; Y., Sulistiyanto,; Z., Damanik,
AGRIPEAT Vol 18, No 1 (2017): JURNAL AGRIPEAT VOLUME 17 NOMOR 1 TAHUN 2017
Publisher : Universitas Palangka Raya

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ABSTRACTThe purpose of this research is to know the influence of the incorporation TKKS and boilerashes best doses in lowering adsorption P and increase the availability of P and pH on Ultisols.This study used a Randomized Complete Design (RAL) consisting of 2 factorial factortreatments. First factor was TKKS (T) consists of three doses of treatment i.e: T0 : 0 ton.ha-1,T1 : 20 ton.ha-1 dan T2 : 40 ton.ha-1. Second Factor was Boiler Ash (A) consists of three dosesof treatment i.e: A0 : 0 ton.ha-1, A1 : 11,6 ton.ha-1 dan A2 : 23,2 ton.ha-1. The results showedthat combination treatment of empty oil palm bunches (TKKS) and boiler ashes on ultisols hasraised pH H2O, raised and lowered ΔpH when the dose increased, and lowered exchangeable Al.Whereas single TKKS factor treatment and boiler ash raise pH KCl. Single factor Treatment ofboiler ash increases P-available with the best dose treatment i.e. A2 (23,2 ton ha-1), it alsoincreases the coefficient of bonding energy and lowering the site adsorption namely treatmentA1 (11,6 ton.ha-1) and A2 (23,2 ton.ha-1), while the single factor treatment of TKKS improves Padsorption maximum i.e. treatment T1 (20 ton.ha-1), but lose the P adsorption maximum i.e.treatment T2 (40 ton.ha-1).Keywords : P adsorption, P availability, Oil Palm Waste, Ultisols.
PERANAN LAPIS GAMBUT TERHADAP MOBILITAS KARBON ORGANIK TERLARUT DAN PELEPASAN ION FE DAN AL PADA TANAH GAMBUT BERSUBSTRATUM BAHAN SULFIDIK Damanik Z; Purwanto B.H.; Hanudin E.; Radjagukguk B.
AgriPeat Vol. 16 No. 02 (2015): JURNAL AGRIPEAT VOLUME 16 NOMOR 02, SEPTEMBER 2015
Publisher : Fakultas Pertanian Universitas Palangka Raya

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The objectives of this study was to investigate the role of peat layer in the mobility of DOC and the release of toxic elements from the underlying sulphidic materials for the various peat thicknesses. The study was conducted in the soil department greenhouse, Faculty of Agriculture, Gadjah Mada University from July to August 2015The experiment conducted in soil column made from PVC pipe which have different peat layer thicknesses (without peat layer, < 50 cm, and 50-100 cm). Leaching was conducted every week, with 500 cc distilled water for 4 weeks. Filtrate was collected, and pH, dissolved organic carbon, and Fe and Al ions was analyzed. The results of the study showed that diminution of thickness of the peat stratum of the soils underlaid by sulphidic material substratum caused the release, and mobilization of Fe2+ and Al3+- ions along with leaching water which might have a significant impact in decreasing the quality of the surrounding water environments in the form of acidification, and enrichment of Fe2+ and Al3+ ions. In addition to the impact of the thickness of the peat stratum, quality of the leaching water was also determined by the quality of the peat material, primarily the degree of decomposition, and concentration of DOC which played the role of chelating agent for toxic ions such as Fe and Al
https://doi.org/10.36873/ KARAKTERISTIK SPEKTRA FTIR DAN SIFAT HIDROFOBISITAS TANAH GAMBUT PEDALAMAN PADA PENGGUNAAN LAHAN YANG BERBEDA DI KABUPATEN PULANG PISAU: FTIR Spectrum and Hydrophobicity Characteristic of Inland Peat soil with different land use from Pulang Pisau Zafrullah Damanik; Fengky Florante Adjie; Nina Yulianti; Melhanah Melhanah; Sustiyah Sustiyah; Y Sulistiyanto; T Sigalingging
AgriPeat Vol. 22 No. 2 (2021): JURNAL AGRIPEAT VOL. 22 NO. 2, SEPTEMBER 2021
Publisher : Fakultas Pertanian Universitas Palangka Raya

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The irreversible drying indicated by the hydrophobic characteristic is one of the characteristics of peat which can be used to indicate the level of peatland degradation. Hydrophobic peat usually occurs as a result of fire or intensive drought which is mainly caused by peat land conversion. The objective of this research is to study the effect of land use on peat hydrophobicity, based on FTIR spectra and water penetration drop time. The result show that hydrophobicity characteristics of peat is influence by land use differences. The abandoned or scrub land has higher hydrophobic characteristic which indicated by slow water penetration time and the higher hydrophobic index based on the FTIR method, compared with rubber and palm oil plantation. Organic compounds that appear and cause peat to become hydrophobic include carboxyl, hydroxyl phenolic groups, and high lignin content.
https://doi.org/10.36873/ PERTUMBUHAN DAN HASIL BAWANG DAYAK (Eleutherine americana (L) Merr) YANG DIBERI EMPAT JENIS KOTORAN TERNAK PADA TANAH GAMBUT DAN SPODOSOL: The Growth And Yield Dayak Onion (Eleutherine americana (L) Merr) Fertilized ByFour Kinds Of Manure On Peat And Spodosol Sih Winarti; Zafrullah Damanik; Rentihen Penyang
AgriPeat Vol. 22 No. 2 (2021): JURNAL AGRIPEAT VOL. 22 NO. 2, SEPTEMBER 2021
Publisher : Fakultas Pertanian Universitas Palangka Raya

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The purpose of this study was to determine the growth and yield of dayak onion fertilized by four kind of manure on peat and spodosol. This experiment used a factorial completely randomized design, consisting of two treatment factors with four replications. The treatments were the types of fertilizer (poultry, swallow, cow, goat) and soil types (spodosol, peat). The results showed that growth of plant height, fresh weight, number of tubers, tuber diameter of dayak onion plants that were given chicken manure, swallow manure, cow manure, and goat manure were relatively the same, only the number of leaves that were given cow manure was significantly higher. Onion plants dayak planted on spodosol soil grew better, i.e. taller plants, more number of leaves and number of tubers, larger tuber diameter and fresh weight than those planted on peat soil
Co-Authors Adi Jaya Adi Jaya Advenrikus A. Saleilei Ambia Rio Suwanda Antonio Jonay Jovani Sancho Anwar, M. B, Radjagukguk, B B.H., Purwanto, Bachtiar Sitinjak Berkat Pisi Bostang Radjagukguk Chaidir Adam D., Pertiwi, Davit Purwodesrantau Dermawati Sihite E, Hanudin, E Eka Noor Taufik Eka Nur Taufik Emmy Uthanya Antang Fengky F. Adji Fengky F. Adji Fengky Florante Adji Fengky Florante Adjie Gunarjo Suryanto Budi Hanudin E. Inga Torang Inga Torang Jany Tri Raharjo Kembarawati Lola Cassiophea Lusia Widiastuti M. Anwar Marpaung, Sartika Melhanah Melhanah Moch. Anwar Moch. Anwar Natalina Asi Nina Yulianti Perkasa, Petrisly Purwanto B.H. Radjagukguk B. Renhart Jemi Rentihen Penyang Ria Anjalani Rinto Alexandro Roberto Adriano Lombah Rolland A. Umbing Ruben T. Sirenden Ruli Meiliawati Salampak Dohong Salampak Salampak Sih Winarti Sulistiyanto Y Suparno Suparno Surawijaya, Panji Sustiyah Sustiyah T Sigalingging T. Sirenden, Ruben Trisna Anggreini Trissan, Whendy Vontas Alfenny Nahan Y Sulistiyanto Y., Sulistiyanto, Yanetri Asi Nion, Yanetri Asi Yesser Priono Yonodius Paskalis Bay Yundari, Yundari Yuprin Yuprin Yustinus Sulistiyanto Yusurum Jagau