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Journal of Degraded and Mining Lands Management
Published by Universitas Brawijaya
ISSN : 2339076X     EISSN : 25022458     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Journal of Degraded and Mining Lands Management is managed by the International Research Centre for the Management of Degraded and Mining Lands (IRC-MEDMIND), research collaboration between Brawijaya University, Mataram University, Massey University, and Institute of Geochemistry, Chinese Academy of Sciences-China Papers dealing with result of original research, and critical reviews on aspects directed to the management of degraded and mining lands covering topography of a landscape, soil and water quality, biogeochemistry, ecosystem structure and function, and environmental, economic, social and health impacts are welcome with no page charge
Arjuna Subject : -
Articles 993 Documents
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Characteristics of soil salinity and its impact on rice yield of coastal rice fields in West Aceh Junita, Dewi; Kurniasih, Budiastuti; Putra, Eka Tarwaca Susila; Joko, Tri; Pazi, Ahmad Mustapha Mohamad
Journal of Degraded and Mining Lands Management Vol. 13 No. 2 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.132.10115

Abstract

Increasing soil salinity led to a decline in rice yield, particularly in the coastal areas of West Aceh affected by the 2004 tsunami. This study aimed to examine the characteristics of soil salinity in the coastal rice fields of West Aceh during the rainy and dry growing seasons, and to evaluate its impact on rice yield. Soil sampling was conducted using purposive sampling during two growing seasons: the dry growing season (April-September 2024) and the rainy growing season (October 2024-March 2025). Clustering analysis showed that three clusters (sodic and saline-sodic) formed during the dry season, while two clusters (sodic and non-saline non-sodic) formed during the rainy season. The Suak Pante Breuh site changed cluster membership, being sodic in the dry season and non-saline non-sodic in the rainy season. Among all soil chemical properties, soil electrical conductivity (EC) and sodium adsorption ratio (SAR) showed the strongest negative correlations with rice yield, particularly during the dry growing season (r = -0.55; r = -0.50). This study found that rice yield was more affected by salinity than by sodicity. This was illustrated in the Suak Timah 5 site, which was classified as sodic during the rainy season but showed similar rice yields to non-saline and non-sodic sites. In contrast, during the dry season, this site was classified as saline–sodic and recorded lower rice yields than other locations that were classified as sodic.
Translocation-dominated phytoextraction of cadmium and lead from contaminated agricultural soil by Ageratum conyzoides L. An, The Huynh; Lien, Bich Ho
Journal of Degraded and Mining Lands Management Vol. 13 No. 2 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.132.10177

Abstract

Heavy metal contamination of agricultural soils, particularly cadmium (Cd) and lead (Pb), poses a serious threat to ecosystem integrity and food safety in rapidly urbanizing regions. This study evaluated the growth response, biomass production, metal accumulation, and translocation behavior of Ageratum conyzoides L. under varying Cd and Pb concentrations using a controlled pot experiment. Soil was amended with Cd and Pb at levels ranging from 0 to 800 mg/kg, and plant growth parameters, biomass distribution, metal uptake, bioconcentration factor (BCF), and translocation factor (TF) were systematically assessed after 60 days. The results showed that increasing Cd and Pb concentrations significantly inhibited plant growth and biomass production, particularly at higher contamination levels; however, Ageratum conyzoides L. maintained survival and metal uptake capacity throughout the experiment. Metal accumulation in plant tissues increased proportionally with soil contamination, with more than 80% of total Cd and Pb preferentially allocated to aboveground parts. Although BCF values for both metals were consistently below unity, TF values exceeded 1 across all treatments, indicating efficient root-to-shoot translocation. Specifically, 76.83 - 84.96 % of the accumulated Cd and Pb was partitioned into aboveground biomass, with translocation factor (TF) values ranging from 3.316 to 6.088 across all treatments. These findings suggest that Ageratum conyzoides L. exhibits a translocation-dominated accumulation strategy and holds considerable potential for phytoextraction of Cd- and Pb-contaminated soils, particularly under low to moderate pollution conditions.
Effectiveness of Saccharomyces cerevisiae-fermented rice bran in cadmium immobilization in cadmium-contaminated soil and rice plants Meirindany, Tina; Nurmaini, Nurmaini; Indirawati, Sri Malem; Ashar, Taufik
Journal of Degraded and Mining Lands Management Vol. 13 No. 2 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.132.10223

Abstract

Agricultural land around the Medan Industrial Estate (KIM) 3 is currently facing a serious threat from cadmium (Cd) contamination, which impacts food security. This study aimed to evaluate the potential of Saccharomyces cerevisiae-fermented rice bran in suppressing the availability and accumulation of Cd in rice plants grown on Cd-contaminated soil. The treatments tested were P0 (control), P1 (100 g S. cerevisiae), P2 (125 g S. cerevisiae), and P3 (150 g S. cerevisiae), with each treatment mixed with 300 g rice bran and applied to 100 m2 of land cultivated with rice plants. The results showed that P3 was the most effective treatment for reducing Cd concentration in rice grain from 0.2 ppm to 0.010 ppm, below the Indonesian Food and Drug Supervisory Agency (BPOM) threshold. The P3 treatment also significantly improved pH and the availability of N, P, and K nutrients of the soil, leading to better plant growth and grain yield. An effective immobilization mechanism that inhibits the translocation of metals into plant tissues makes this innovation a practical, economical, and applicable solution for farmers to restore land function while ensuring food security.

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