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Jurnal Lahan Suboptimal
Published by Universitas Sriwijaya
ISSN : 22526188     EISSN : 23023015     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Lahan Suboptimal: Journal of Suboptimal Lands (JLSO) (p-ISSN 2252-6188; e-ISSN 2302-3015) publishes original research papers, literature reviews, and short communications that cover on topics relevant to suboptimal lands: freshwater swamps, tidal lowlands, peatlands, dry and dry acid lands, shaded ecosystem, ex-mined lands, saline and marine coastal wetland ecosystems. The Journal serves as a multi-disciplinary forum covering key issues in Suboptimal Lands science and technology, management, policy and ecological economics. The journal is published by Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO), Universitas Sriwijaya. The journal was first published on April of 2012 with twice per year in frequency on April and October.
Arjuna Subject : -
Articles 323 Documents
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Integration of geographical information systems in the land suitability assessment for rice crops in Sleman District, Indonesia Romadhona, Sukron; Puryono, Sri; Mussadun, Mussadun
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 14 No. 1 (2025): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.14.1.2025.728

Abstract

Peatlands (according to the Governmental Regulation nr 71/2014) can be utilized for agriculture and plantation if the peat depths are less than 3 m or more than 3 m, peatlands have to be conserved or restored. Determining peat depths can be conducted in the fields by intensive surveys which were so expensive, inefficient, and ineffective, therefore it was essential to find our simple alternative methods how to measure peat depths easily. The research aimed to establish a spatially reliable interpolator for peat depth variability by utilizing the kriging method. The research was conducted in Seponjen Village, Kumpeh, Muaro Jambi, Jambi Indonesia. Primary data were processed by applying ArcGIS 10.3 software. The interpolated dataset of peat depths validated their actual dataset and performed an excellent relationship (indicated by a positive correlation coefficient, r = 0.920) and a coefficient of determination (R2 = 0.847). It indicated that the interpolated dataset could be utilized to make maps by kriging. The very deep peat (Site A) and the deep peat (Site B) showed a tendency for a strong autocorrelation of the data distribution of peat depths. Autocorrelation tended to be anisotropic towards the river on the shallow peat (Site C). A good interpolator of peat depth variability can be generated using the kriging method.
Conservation strategy based on soil erodibility with several land covers and slopes in the upstream of Air Bengkulu Watershed Lovita, Vinni; Sulistyo, Bambang
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 14 No. 1 (2025): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.14.1.2025.731

Abstract

Global land cover changes driven by increasing demand for agricultural, residential, and industrial land have caused various environmental issues, including soil erosion. The study aimed to analyze soil erodibility values upstream of the Air Bengkulu watershed based on land cover and slope factors. The analysis was conducted using soil samples obtained through purposive sampling based on soil map units, topography, and land cover. Soil erodibility values were determined through laboratory analysis of organic matter, texture, structure, and soil permeability, followed by calculating erodibility. After obtaining the distribution of erodibility values, the next step involves identifying erodibility values based on slope and land cover to analyze the interaction between slope and land cover on erodibility values. Conservation recommendations are provided based on slope, land cover and consideration of community aspects to reduce erodibility values and minimize erosion risk. Results indicate that soil erodibility in the Air Bengkulu watershed ranges from very low to very high, with most areas classified as low. The findings suggest that soil erodibility values vary depending on land cover and slope. Higher erodibility values were observed in areas with minimal land cover, especially in mining and cultivated land with poor management practices. In contrast, dense vegetation such as forests and well-maintained plantations significantly reduced soil erodibility values. The interaction between slope and land cover plays a crucial role in determining soil susceptibility to erosion risk. Vegetative and mechanical conservation strategies are suggested to mitigate erosion risks, improve land productivity, and support ecosystem sustainability in the region.
Antibacterial activity of ginger essential oil derived nanobactericide against the growth of phytopathogenic bacteria - A Review Gunasena, Mahesh Tiran; Bin Ahmad, Khairulmazmi; B Hussein, Mohd Zobir; Ali, Asgar; Syazwan Afif, Mohd Zobir; bin Abdul Wahab, Mohd Aswad
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 14 No. 1 (2025): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.14.1.2025.750

Abstract

Phytopathogenic bacteria infect various plants, causing economic losses, negative environmental consequences, and harming agricultural development. The most currently available antimicrobial agents for agriculture were potentially toxic, non-biodegradable, and cause significant harm to the ecosystem. As a result, novel, effective, safe, user-friendly, and alternative methods were urgently needed. Essential oils (EOs) have great potential in managing plant bacterial diseases because they successfully destroy various pathogenic bacteria. Ginger essential oil (GEO) is more widely used because it contains a diverse mixture of volatile substances, such as phenolic compounds, terpenes, polysaccharides, lipids, and organic acids. The antibacterial activity of the EO against phytopathogenic bacteria is significantly improved when it is converted into nanoparticles. Nanoparticles (NPs) that were derived from EOs have a considerable antibacterial action resulting from increased chemical solubility and consistency, minimal rapid evaporation, and slow depletion of the effective substances of EO. Ginger EOs were encapsulated in chitosan as a nanogel to improve the antibacterial effects and the consistency of the oils against pathogenic bacteria. Nanogel had been shown to amplify the antibacterial effect of EOs against pathogenic bacteria by enhancing their potential to disturb the integrity and permeability of the cell membranes. This paper focuses on three major parts of ginger essential oils: the antibacterial efficacy to control plant pathogenic bacteria, the possible mechanisms of action of essential oils as nanobactericides, and more importantly, the fabrication of bactericide nanoformulation.

Page 33 of 33 | Total Record : 323

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