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p-Index From 2021 - 2026
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All Journal Jurnal Biologi Tropis
Gina Lova Sari
Universitas Singaperbangsa
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Analysis of Arsenic and Chromium Content and Pollution Index in Rice Fields in Tempuran Subdistrict, Karawang Regency Zhafira Izzatul Mila; Gina Lova Sari; Ing. Willma Nurrul Adzillah
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11420

Abstract

Heavy metals are one of the most dangerous pollutants because they are non-degradable. This study aims to analyze the content of arsenic (As) and chromium (Cr) and evaluate the level of pollution in rice field soil in Tempuran Subdistrict, Karawang Regency. Soil samples were taken in 14 villages, with 10 points taken in each village using purposive sampling. Laboratory analysis was conducted to determine the As and Cr content in the rice field soil, and then calculate the heavy metal pollution index value. The results of this study show that the concentration of As, a heavy metal, is still below the quality standard, while Cr varies in each village. Based on the calculation of the pollution index using the Contamination Factor (Cf), Pollution Load Index (PLI), Ecological Risk Index (Re), Ecological Risk Potential Index (RI), and Geoaccumulation Index (Igeo), it was found that the rice fields in Tempuran Subdistrict were categorized as unpolluted to polluted in several villages. The results of mapping with ArcGIS to determine the distribution of heavy metals show that the Ar levels in all research locations are relatively uniform and are displayed in green, indicating that the values are below the quality standards. In contrast, chromium is displayed in shades of light brown to dark brown, reflecting variations in levels in each village, where some areas are below the quality standards, and others exceed the specified thresholds.
Analysis of the Pollution Index of Cadmium and Lead in Paddy Fields in Tempuran Subdistrict, Karawang Regency Alfan Adhi Nugroho; Gina Lova Sari; Wilma Nurrul Adzillah
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11426

Abstract

Heavy metal contamination in agricultural soils has become an increasing environmental concern due to its potential impact on food safety and ecosystem sustainability. This study aims to analyze the concentration and contamination levels of heavy metals Cadmium (Cd) and Lead (Pb) in paddy fields located in Tempuran District, Karawang Regency. This region is one of the national rice production centers and is vulnerable to heavy metal accumulation due to intensive use of fertilizers and pesticides. The research was conducted in 14 villages, with disturbed soil samples collected for heavy metal and texture analysis, and undisturbed soil samples collected for porosity and permeability analysis. The main parameters analyzed were Cd and Pb concentrations using the ICP-OES method based on SNI 8910:2021. In addition, the pipette method was used for soil texture analysis; bulk and particle densities were used for porosity calculation; and the percolation method was used to measure permeability. Secondary data included the frequency of fertilizer and pesticide application, land use, age, and harvest periods. Results showed that Cd and Pb concentrations at all sampling locations remained below the threshold limits set by quality standards. Pollution assessment using the Contamination Factor (CF), Pollution Load Index (PLI), Geo-accumulation Index (Igeo), and Ecological Risk Index (Er) indicated that paddy fields in Tempuran District are categorized as uncontaminated to very low risk.
Co-Authors Alfan Adhi Nugroho Ing. Willma Nurrul Adzillah Wilma Nurrul Adzillah Zhafira Izzatul Mila