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Growth Increase of Gelam (Melaleuca Leucadendron) Burnt Peatland Through the Provision of Soil Conditioner (Study in Londerang Peat Protection Forest) Tamin, Rike Puspitasari; Napitupulu, Richard Robintang Parulian; Rumondang, Jenny; Hardiyanti, Rizky Ayu
Jurnal Penelitian Pendidikan IPA Vol 10 No 10 (2024): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i10.8786

Abstract

The protected forest of Londerang Jambi is an area of hydrological unity with a surface area of 12.484 ha that is located in the district of Tanjung Timur and Muaro Jambi, which is surrounded by palm plantations and forest of industrial crops and 10 villages in the Districts of Tanjung Jabung Timur and Jambi. Based on the results of the Landsat 8 OLI image analysis and the SPOT 7 image interpretation by WWF Indonesia in 2015 that the Londerang Forest Protection Area (HLG) has an area of 12.848 Ha, currently the steep vegetation cover that canopies closely on the HLG Londerang remains only less than 10% of the area of HLG londerang due to forest fires in 2015. An attempt to overcome the situation has been made, one of them in the HLG Londerang being made an of the Hydrological Union of Mendahara-Sungai Batanghari which has been intervened by the Badan Restorasi Gambut (BRG). This effort was also carried out by the KIFC (Korea Indonesia Forest Center) by revegetating the blocks of land that had been burned in HLG Londerang. The planting has been carried out from the beginning of 2022 to December 2022. The species of plants planted among them are Pulai Rawa (Alstonia scholaris), Balangeran (Shorea balangeran), Gelam (Melaleuca leucadendron). In order to support the success of the revegetation, intensive maintenance is required, including the provision of soil fertilizers such as dolomite and NPK fertilizer. The research was conducted for seven months from May to December 2023 at HLG Londerang. Measuring fields are made with group random designs (RAK). The clustering is based on the difference in the height of the groundwater surface
Evaluasi Status Kesuburan Tanah dan Kesesuaian Lahan Jelutung Rawa (Dyera Lowii Hook. F) : Evaluation of Soil Fertility Status and Land Suitability of Jelutung Rawa (Dyera Lowii Hook. F) Tamin, Rike Puspitasari; Napitupulu, Richard Robintang Parulian
Jurnal Silva Tropika Vol. 9 No. 2 (2025): Jurnal Silva Tropika
Publisher : Fakultas Kehutanan Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jurnalsilvatropika.v9i2.49778

Abstract

ABSTRACT Jambi Province is one of the regions in Indonesia with a fairly extensive peat forest area, spread across several districts, including Muaro Jambi Regency and Tanjung Jabung Timur Regency. In recent years, the peat swamp forests in this area have experienced degradation, primarily due to land fires. One important conservation area is the Orang Kayo Hitam Grand Forest Park, which is dominated by a peat swamp forest ecosystem with high plant diversity. The main problem faced is the decline in peat soil quality after the fire, which impacts the success of rehabilitation activities. This study aims to evaluate the status of soil fertility and land suitability for the growth of swamp jelutung on post-fire peatlands. The results show that the soil fertility status at the study site is still quite good, but there are main limiting factors in the form of nutrient retention and low potassium availability. Under these conditions, the current land suitability class is quite suitable (S2) and can be improved to very suitable (S1) with moderate management by adding 150-200 g of dolomite per planting hole to increase soil pH and adding 180.34 g of KCl single fertilizer per planting hole for peat soil with a BV of 0.2.   Keywords: land suitability, peatland, jelutung rawa   ABSTRAK Provinsi Jambi merupakan salah satu wilayah di Indonesia yang memiliki kawasan hutan gambut cukup luas, tersebar di beberapa kabupaten, salah satunya Kabupaten Muaro Jambi dan Kabupaten Tanjung Jabung Timur. Beberapa tahun terakhir, hutan rawa gambut di kawasan ini mengalami degradasi terutama akibat kebakaran lahan. Salah satu kawasan konservasi penting adalah Taman Hutan Raya Orang Kayo Hitam yang didominasi oleh ekosistem hutan rawa gambut dengan keanekaragaman tumbuhan tinggi. Permasalahan utama yang dihadapi adalah penurunan kualitas tanah gambut pasca kebakaran yang berdampak pada keberhasilan kegiatan rehabilitasi. Penelitian ini bertujuan untuk mengevaluasi status kesuburan tanah dan kesesuaian lahan terhadap pertumbuhan jelutung rawa pada lahan gambut pasca kebakaran. Hasil penelitian menunjukkan bahwa status kesuburan tanah di lokasi penelitian masih tergolong cukup baik, namun terdapat faktor pembatas utama berupa retensi hara dan ketersediaan unsur kalium yang rendah. Kondisi tersebut, kelas kesesuaian lahan saat ini cukup sesuai (S2) dan dapat ditingkatkan menjadi sangat sesuai (S1) dengan pengelolaan sedang melalui penambahan dolomit 150 - 200 g per lubang tanam untuk meningkatkan pH tanah serta penambahan pupuk tunggal KCl sebanyak 180,34 g per lubang tanam untuk tanah gambut dengan BV 0,2.   Kata kunci:  kesesuaian lahan, lahan gambut, jelutung rawa