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JTSL (Jurnal Tanah dan Sumberdaya Lahan)
Published by Universitas Brawijaya
ISSN : -     EISSN : 25499793     DOI : 10.21776/ub.jtsl
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Tanah dan Sumberdaya Lahan (JTSL) dikelola oleh Jurusan Tanah, Fakultas Pertanian, Universitas Brawijaya, Malang. Artikel dari hasil penelitian orisinil, dan review tentang aspek manajemen sumberdaya tanah dan lahan yang mencakup, kesuburan tanah, kimia tanah, biologi tanah, fisika tanah, pedologi, sistem informasi lahan, kualitas tanah dan air, biogeokimia, struktur dan fungsi ekosistem, serta rehabilitasi tanah dan lahan dapat dimuat dalam jurnal ini tanpa dipungut biaya. Jurnal Tanah dan Sumberdaya Lahan diterbitkan dalam satu volume setiap tahun. Setiap volume terdiri atas dua nomor yang diterbitkan pada bulan JANUARI dan JULI.
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Articles 20 Documents
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Search results for , issue "vol. 13 no. 2 (2026)" : 20 Documents clear
PELUANG PENGGUNAAN YOLO V3 - DEEP LEARNING UNTUK DETEKSI LONGSOR PADA LEVEL SUB DAERAH ALIRAN SUNGAI Rahmadani, Rizka Nur; Arifin, Syamsul; Nita, Istika; Putra, Aditya Nugraha
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.5

Abstract

In the past two decades, remote sensing-based landslide detection methods have advanced significantly. However, these methods generally remain broad in scope and are not yet capable of identifying landslides as distinct objects with precise locations. This study aims to integrate YOLO v3 into remote sensing applications to enhance the accuracy of landslide detection in sub-watershed (sub-DAS) areas. The study focuses on two sub-watersheds with a history of frequent landslides, namely Kali Konto and Sumber Brantas. Sentinel-2A imagery from 2024 was downloaded for all months and composited to achieve the most stable visualization. Landslide location points were collected through an exploratory approach, incorporating information from the National Disaster Management Agency (BNPB) and local communities. A total of 155 landslide points were recorded in the field and subsequently used as training and validation data. Seventy percent of these points were analyzed using a deep convolutional neural network—YOLO v3—implemented in ArcGIS Pro, while the remaining 30% were used for validation against actual field occurrences.The detection model developed for the Kali Konto and Sumber Brantas sub-watersheds achieved an accuracy of 77%, demonstrating reliable performance in predicting landslide locations. The landslides identified predominantly consisted of slope failures and rockfalls occurring along cut-fill sections of roadside areas. However, this study has certain limitations: the developed model is unable to classify different types of landslides, and the satellite imagery used has a medium resolution, which is not yet advanced enough to fully meet the requirements for sub-watershed-level analyses.
INDIGENOUS MICROBIAL ENGINEERING TECHNOLOGY FOR SUSTAINABLE PEATLAND MANAGEMENT IN INDONESIA Prasgi, Henokh Christian; Suntoro
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.4

Abstract

Peatlands are unique wetland ecosystems that play a significant role in carbon sequestration and maintaining hydrological balance. However, human activities have led to peatland degradation in Indonesia, resulting in the loss of ecosystem services and ecological functions of peat soils as well as increased greenhouse gas emissions. Restoring and rehabilitating peatlands requires sustainable and ecosystem-based approaches that harness local potential. One potential strategy involves the use of indigenous microbes through microbial engineering technology. This literature review highlights the potential of indigenous microbes as a sustainable peatland management strategy in Indonesia. Indigenous microbes, which are naturally adapted to the acidic and nutrient-poor conditions of peatlands, have potential as bioremediation agents, organic matter decomposers, and plant growth promoters. Microbial engineering involves several stages, including isolation, in vitro selection, pot tests, and the formulation of superior microbes for field application. This technology aims to improve soil quality, enhance microbial community structure, and boost land productivity without harming the environment. It can also accelerate the sustainable restoration of peatland functions, support food security, and mitigate climate change. The development of this technology necessitates further research, supportive policies, and the engagement of local communities to ensure its effective and long-term implementation.
PEMETAAN POTENSI KERUSAKAN TANAH PADA KAWASAN BUDIDAYA DI KECAMATAN TERIAK KABUPATEN BENGKAYANG Apriharyandi, Andre; Nusantara, Rossie Wiedya; Sulakhudin
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.18

Abstract

In the context of cultivation areas, soil plays a highly strategic role because these areas are specifically designated for activities such as agriculture, plantations, fisheries, and animal husbandry. High-intensity use of soil in cultivation areas carries the risk of potential soil degradation if not managed wisely. The initial step in addressing soil degradation is to conduct an inventory of the potential for soil degradation in a given region. The determination of potential soil degradation refers to the guidelines of the Ministry of Environment (2009), using overlay, scoring, and weighting methods. Overall, the Teriak Subdistrict area has a low to moderate potential for soil degradation. In cultivation areas, the largest area with a low level of degradation is designated for horticultural agriculture (843.81 hectares), while the largest area with a moderate level of degradation is dominated by plantation use (10,026.79 hectares) and food crop agriculture (9,241.52 hectares). Factors that most influence the highest soil degradation potential scores include topography with steep slopes (26–40%) and dryland agricultural land use. 
PEMANFAATAN PUPUK HAYATI UNTUK BIOREMEDIASI TIMBAL (Pb) PADA TANAMAN APU-APU (Pistia stratiotes L.) Putri, Fanny Maharani; Subardja, Vera Oktavia; Syah , Bastaman
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.1

Abstract

Water pollution by heavy metals such as lead (Pb) causes toxic effects that inhibit the growth of aquatic organisms. Bioremediation using microorganisms such as Azotobacter sp. and Pseudomonas sp. is an environmentally friendly approach to reducing Pb toxicity through biological absorption and detoxification mechanisms. This study aimed to determine the most effective combination of biofertilizers in supporting the bioremediation process and the growth of water lettuce (Pistia stratiotes L.). The experiment was conducted in the greenhouse of the University of Singaperbangsa Karawang from January to April 2025 using a single-factor Randomized Block Design (RBD) with nine treatments and three replications. The results showed that treatment B (10 ppm Pb (50 ml Pseudomonas sp. + 25 ml Azotobacter sp.)) produced the highest values across all growth parameters. The combination of these two microorganisms enhanced nutrient availability and phytohormone production, supporting photosynthetic activity and improving the adaptation of Pistia stratiotes L. to Pb exposure, thereby demonstrating potential as an effective bioremediation agent. 
BIOREMEDIASI CADMIUM (Cd) DENGAN PUPUK HAYATI PADA TANAMAN ECENG GONDOK (Eichhornia crassipes) Sinaga, Elsi Diannitta; Subardja, Vera Oktavia; Syah, Bastaman
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.3

Abstract

The presence of heavy metals in soil and water can be absorbed by plants growing in soil and water can have negative effects on humans. Biofertilizer containing microorganisms and producing exopolysaccharides (EPS) have the potential to be used as bioremediation agents.  The study aims to determine the optimal combination of dosage and type of biofertilizer on cadmium (Cd) uptake the and the growth of water hyacinth (Eichhornia crassipes). The method used was a single-factor Randomized Block Design (RBD) with 9 treatments and 3 replications, resulting in 27 experimental units. The research data were analyzed using an F-test. If a significant effect was detected, the data were further tested using Duncan's Multiple Range Test (DMRT) at the 5% level. The results showed that the treatments had a significant effect on Cd uptake and plant growth. Treatment D (8 ppm Cd (25 mL Azotobacter))  yielded the highest results for plant height (31,33 cm), number of leaves (18,111 leaves), root length (27,499 cm), dry weight (28,777 g), and wet weight (135,22 g). Treatment D (8 ppm Cd (25 mL Azotobacter)) resulted in the lowest Cd uptake in roots (0,649 mg ), while Treatment I (16 ppm Cd) yielded the highest Cd content in water.
UJI VALIDASI  SISTEM  PREDIKSI PERINGATAN DINI BERBASIS DAMPAK UNTUK BENCANA BANJIR DI KOTA AMBON Iriyanto, Suaif; Kunu, Pieter J; Puturuhu, Ferad; Talakua, Silwanus M
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.10

Abstract

Ambon City a high level of vulnerability to floods due to steep topography, extreme rainfall, and land use that exceeds land capability. Floods pose a serious threat to community safety and cause damage to infrastructure. Risk reduction requires an accurate and well-implemented early warning system. This study aims to analyze the spatial level of flood disaster risk, examine the distribution of extreme rainfall during rainfall events, and assess the accuracy of the Impact-Based Forecast and Warning Services System (IBFWS). The research method includes spatial analysis using a Geographic Information System (GIS) through an overlay approach of three risk components: hazard, vulnerability, and capacity. The study also applies Inverse Distance Weighting (IDW) methods for spatial interpolation of 24-hour rainfall data from the events on May 11 and May 30, 2023, and conducts spatial validation of the IBFWS prediction results against actual landslide occurrences. The results show that 75.6% of Ambon City falls into the high-risk category for floods. Multiple linear regression analysis indicates that slope gradient is the most significant variable influencing floods hazard, with an R² value of 90.6% and an S value of 0.120. Spatial validation and field verification demonstrate that the accuracy of the IBFWS reached 94% for the floods event on May 11 and 100% for the event on May 30, 2023. These findings indicate that the IBFWS functions as a reliable early warning system to support floods disaster risk reduction in Ambon City.
SIFAT KIMIA ULTISOL DAN RESPON JAHE MERAH TERHADAP PEMBERIAN PUPUK KANDANG SAPI DAN ABU BOILER Noviriani, Selli; Farni, Yulfita; Fuadi, Najla Anwar
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.2

Abstract

Ultisol is a type of soil characterized by relatively low fertility, making it commonly utilized for oil palm plantations. In Sungai Muluk Village, oil palm plantations have surpassed their productive phase, necessitating replanting activities. This condition has resulted in decreased household income among local communities. As an alternative strategy, farmers have adopted red ginger cultivation through an intercropping system. However, the implementation of this system is constrained by soil nutrient deficiencies. This study aims to evaluate the application of cattle/cow manure and boiler ash on changes in the chemical properties of Ultisol soil after oil palm replanting, as well as to optimize the growth of red ginger plants during the maximum vegetative phase.  This study used a non-factorial randomized block design with six treatment levels, namely A0 (control), A1 (10 tons ha-1 of cow/cattle manure + 5 tons ha-1 of boiler ash), A2 (15 tons ha-1 of cow manure + 5 tons of ha-1 boiler ash), A3 (15 tons ha-1 of cow manure + 10 tons ha-1 of boiler ash), A4 (20 tons ha-1 of cow manure + 10 tons ha-1 of boiler ash), A5 (20 tons ha-1 of cow manure + 15 tons ha-1 of boiler ash).  The parameters observed were pH, exchangeable K, total N, plant height, number of leaves, and fresh weight of rhizomes. The results showed that the application of cow manure and boiler ash to Ultisols after oil palm replanting increased pH, exchangeable cations, plant height, number of leaves, and fresh weight of rhizomes. The combination of cow manure and boiler ash at a dose of 20 tons ha-1 of cow manure + 15 tons ha-1 of boiler ash effectively improved the chemical properties of Ultisol and increased the growth of red ginger plants.  
EVALUASI KESESUAIAN LAHAN BEKAS TAMBANG TIMAH UNTUK BUDIDAYA KELAPA SAWIT Gurnito, Genia; Taryana, Didik
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.6

Abstract

Tin mining is a daily activity carried out by some of the people in Lampur Village.  Mining activities have an impact on the land that is left behind in the form of a decline in land quality. Land evaluation is needed to identify the potentials and constraints that exist in an area. The approach applied in this study involved matching primary and secondary data with the criteria for oil palm growth and development. Primary data were obtained by conducting laboratory analyses of cation exchange capacity (CEC), texture, pH, base saturation, and salinity. Secondary data included humidity, temperature, and rainfall. The results of the analysis show that former tin mining land is actually classified as unsuitable or N with texture as a constraint. The soil texture at 10 points is dominated by a sand fraction of 98%, causing the soil at the study site to be coarse in texture and requiring improvement efforts. Temperature (tc) is a permanent constraint that cannot be improved because it is natural. Constraints such as oxygen availability (oa), nutrient retention (nr), and erosion hazard (eh) can be improved to enhance land quality and class. Potentially, former tin mining land can be improved through remediation efforts, thereby increasing land quality while considering certain limiting factors.
EVALUASI KUALITAS AIR SUNGAI BATANGHARI DI AREA PENAMBANGAN PASIR DESA SEMBUBUK (MUARO JAMBI) BERDASARKAN WATER QUALITY INDEX (WQI Rahmadini, Zananta; Gusri, Lailal; Damris
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.9

Abstract

Sand mining activities from riverbeds or banks can harm the environment, especially water quality, by increasing turbidity, which can endanger ecosystems and human health. This study aims to analyze the water quality of the river around the sand mining area using the Water Quality Index (WQI) method. In this study, water samples were collected at three points: upstream, middle, and downstream, with three repetitions conducted over three consecutive days near the sand mining area of Sembubuk Village, Muaro Jambi Regency.  The test results showed significant values in several parameters, including TSS at the midpoint, which reached 252 mg/l. This figure indicates a high number of suspended particles in the water. The turbidity value at the midpoint was also very high, at 285 NTU, indicating very cloudy water. In addition, the DO level at the midpoint of the mining site was the lowest, at 2.21 mg/l. This low DO indicates that the mining process releases oxidized materials trapped in the bottom sediment, which consume oxygen in the water.  These parameters individually did not meet the river water quality standards. The method used combined various parameters, and the overall value could reflect the combined conditions of each parameter. Thus, the analysis of the WQI pollution level of the Batanghari River around the sand mining area in Sembubuk Village, Muaro Jambi Regency, indicated that the pollution level was at "Poor" status, with an average WQI value of 50.33. The midpoint had the highest WQI classification value among the points, at 50.42, indicating the greatest contribution of mining activities to the decline in water quality. Although the status improved to "Good" on the second day, this improvement was temporary. Overall, the river's condition remained poor, as its status reverted to "Poor" on the third day.
A COMPARATIVE SYSTEMATIC REVIEW OF SPATIAL DISTRIBUTION OF HEAVY METAL CONTAMINATION IN AGRICULTURAL AND INDUSTRIAL SOILS Salma, Ghina Yusriyyah; Pratama, Mochamad Adhiraga
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.11

Abstract

Soil-bound heavy metals have been a major and growing environmental issue in recent decades of time, especially across developing nations in the context of rapid urbanization and industrial development. So far, very few studies have examined the spatial distribution of heavy metal contamination in agri-and/or industrial soils. The objective of this review article is to analyze, identify, evaluate and synthesize the existing knowledge on heavy metal contamination in soils across diverse industrial and agri-based land uses worldwide. The PRISMA 2020 method was used in this review article, involving the selection of 22 journal articles that met the criteria for further study and discussion. Heavy metal contamination in soils is due mainly to industrial activities (82% of the studies) and agricultural activities (64%), whereas both sources of contamination were identified in 45% of the studies. On the other hand, the well-known spatial analysis methods for the spatial distribution of soil heavy metals are kriging and IDW. For the industrial sector, individual heavy metals such as Pb, Cr, Ni, and Zn are of greater concern than in the agricultural sector. These metals accumulate in the environment and the food chain, causing short-term and long-term diseases. The choice of spatial analysis techniques to examine the distribution of heavy metals can be modified based on the availability and reliability of the data. The results provide great guidance to researchers and policymakers in designing and implementing effective strategies for prevention, surveillance, and reduction of exposure to heavy metals worldwide.

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