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Journal : Makara Journal of Science

The Abundance of Nitrogen Fixing, Nitrifying, Denitrifying and Ammonifying Bacteria in the Soil of Tropical Rainforests and Oil Palm Plantations in Jambi Zulfarina,; Rusmana, Iman; Mubarik, Nisa Rachmania; Santosa, Dwi Andreas
Makara Journal of Science Vol. 21, No. 4
Publisher : UI Scholars Hub

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Abstract

Alterations in the use of land for oil palm plantations can change the domination and activity of soil bacteria. More specifically, alteration in soil microbial communities can directly affect soil ecosystem functioning, particularly with respect to carbon and nitrogen cycles. Nitrogen can be a limiting nutrient, and the availability of nitrogen in the soil environment becomes a major factor in controlling the production of biomass. This research project aimed at studying the abundance of nitrogen-fixing, nitrogen-oxidizing, nitrogen-reducing, and ammonifying bacteria based on their functional genes in the tropical rain forests of Taman Nasional Bukit Duabelas (TNBD) and the oil palm plantations in Sarolangun Jambi. Samples were collected in November 2015. Soil sampling was performed randomly at three points representing each area of ​​the tropical rainforests of TNBD and the seven- to eight-year-old oil palm plantations. Soil samples were collected using a soil sample core from 0–15 cm below the surface with depth strata of 0–5 cm, 5–10 cm, and 10–15 cm. Composite assessment was conducted on samples from each point corresponding to each respective depth strata. Soil samples were stored at -20ºC prior to testing. Microbial abundance was measured using the most probable number (MPN) method. The abundance of microbes that play a role in nitrogen metabolism between strata of 5–10 cm and 10–15 cm does not appear to be different. The highest abundance of microbes in oil palm plantation land in Jambi was found in samples with nitrifying bacteria, later followed by denitrifying, nitrogen-fixing, and ammonifying bacteria. Ultimately, it was found that microbial abundance in oil palm plantations was higher than the corresponding rates in samples from tropical rainforests.
Co-Authors Abdjad Asih Nawangsih ACENG RUYANI Achmad Dinoto Aderiana Masthura AKHADIYA, ALINA Alfan Cahyadi Alfisah, Rizal Khoirun Aliati Iswantari Alina Akhdiya Alina Akhdiya ALINA AKHDIYA Amanda, Nisa Widya Angela Mariana Lusiastuti Angela Mariana Lusiastuti Ani Suryani Ani Suryani Ani Widiyati ANIK KUSMIATUN Anja Meryandini Anja Meryandini Antonius Suwanto Apon Zaenal Mustopa Ari Fina Bintarti Ari Fina Bintarti, Ari Fina Aris Tri Wahyudi Armanisa, Khafifah Baskoro S Wibowo Cahyadi, Alfan Cecep Kusmana CECILIA ANNA SEUMAHU CECILIA ANNA SEUMAHU Ciptadi Achmad YUSUP Daniel Djokosetiyanto Darmono Taniwiryono Desniar - - Dewi Puspaningsih DIAH ISKANDRIATI Dian Hendrayanti Dinamella Wahjuningrum Dondin Sajuthi DWI ANDREAS SANTOSA Dwi Ningsih Susilowati Eddy Supriyono Emei Widiyastuti Fachriyan Hasmi Pasaribu Fachriyan Hasmi Pasaribu Faturrahman Faturrahman Ferbiyanto, Andri Fredinan Yulianda Frijona Fabiola Lokollo GALUH WENING PERMATASARI Gunawan Djajakirana Hamim Hamim Happy Widiastuti Hefni Effendi Hessy Novita Hessy Novita I Komang Gede Wiryawan I MADE ARTIKA I Made Samudra Ifa Manzila Ika Roostika Tambunan, Ika Roostika Ika Setianingsih, Ika Indriyani, Yohanna Anisa Irwan Cahyadi It Jamilah KATHARINA JESSICA Khairul Syahputra Kukuh Nirmala Kuntari, Wahyu Budi Lena Novita Lingga, Rahmad Lizawati . Maggy Thenawidjaya Suhartono Maggy Thenawidjaya Suhartono Mahdani, Wilda Mahyarudin, Mahyarudin Manguntungi, Baso Masrukhin Masrukhin Masthura, Aderiana Miftahudin . Mukti Ali MUNTI YUHANA MUTTAQIN, MAFRIKHUL Nedwell, David B. Niken T.M Pratiwi, Niken T.M NISA RACHMANIA MUBARIK Nisa Widya Amanda Novita, Lena Nurfahmi, Riziq Ilham Nurhakiki Nurjanah Prihasto Setyanto PRIHASTO SETYANTO Priyo Handoyo Wicaksono Rahman Rahman Rahman Rahman Rahminovita Herlis RATNA SETYANINGSIH RATNA SETYANINGSIH RATNANINGTYAS, SUSI RIDWAN AFFANDI Rika Indri Astuti RIKA RAFFIUDIN Rina Hesti Utami Risky Hadi Wibowo Risky Hadi wibowo Roedhy Poerwanto Rosadela, Fitri Sipriyadi Sipriyadi Sipriyadi Siti Nur Jannah Sobir Sobir Solly Aryza Sri Budiarti Poerwanto Suhartono Suhartono SUSAN SOKA Syaiful Anwar T. Widiyanto Taruna D. Satwika TARUNI SRI PRAWAST MIEN KAOMINI ANY ARYANI DEDY DURYADI SOLIHIN Thenawidjaya, Maggy Tri Eko WAHYONO Tri Handayani Kurniati Tri Handayani Kurniati Tri Muji Ermayanti Tri P. Priyatno Tri Panji Tri Puji Priyatno Tri Widiyanto Tridesianti, Siska Tuasalamony, Mutia Musdalifah Utut Widyastuti Wahyuni, Reza Wibowo, Risky Hadi WIDANARNI WIDANARNI Widiyanto, Tri Wilda Mahdani Wildan Nurusallam Wiraswati, Sri Martina Yadi Suryadi Yani Aryati Yohana A Dahliani Yohanna Anisa Indriyani Yuli Siti Fatma Yuli Siti Fatma YULIN LESTARI Yuni Puji Hastuti Yusli Wardiatno Zaenal Arifin, Sukarya Zulfarina Zulfarina Zulfarina,