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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal of Multidisciplinary Applied Natural Science
Sholikhah, Oktaviariesta Habibatus
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Physics

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Bioremediation of Profenofos-Contaminated Soil using Bio-Slurry, Exogenous, and Indigenous Microorganism Formulation from Puntukdoro Farmland, Indonesia Pujiati, Pujiati; Sholikhah, Oktaviariesta Habibatus; Utami, Sri; Fatimah, Fatimah; Ramadhan, Rico; Ni'matuzahroh, Ni'matuzahroh
Journal of Multidisciplinary Applied Natural Science Vol. 5 No. 2 (2025): Journal of Multidisciplinary Applied Natural Science
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jmans.2774-3047.265

Abstract

Pesticide residues in soil present significant environmental and health risks, especially in regions with heavy organophosphate used in vegetable farming. This study examines bioaugmentation, an eco-friendly method for degrading soil pesticide residues, utilizing both indigenous and exogenous microorganisms, as well as bio-slurry from biogas production. Puntukdoro Village, Magetan, Indonesia, generates a substantial quantity of bio-slurry waste, which presents a promising solution to local agricultural challenges, including low crop yields and soil degradation. Puntukdoro Village produces a significant amount of bio-slurry waste, which offers a promising solution to local agricultural issues, including poor crop yield and soil degradation. The study aims to identify and formulate microorganisms from Puntukdoro using bio-slurry and exogenous cellulolytic mold formulations. This involves extracting and characterizing indigenous bacteria, preparing external supplements, and conducting ex situ bioaugmentation with seven different treatments. Ten mold isolates, including Penicillium, Monilia, Aspergillus, and Trichoderma, and eight bacterial isolates, including Micrococcus, Pseudomonas, and Bacillus, were identified. Bioremediation assays showed that both indigenous and exogenous microorganisms improved soil quality and reduced pesticide levels. The most effective treatment, P7, with 10% bio-slurry, 10% biofostik, and 10% indigenous microorganisms applied for 28 d (W4), reduced profenofos from 4.718 to 0.000 mg/kg. In contrast, treatment P2W1, with 30% biofostik for 7 d, reduced profenofos by 0.293 mg/kg. These findings indicate that exogenous and indigenous microorganisms can effectively enhance profenofos bioremediation.
Profile of Students' Critical and Creative Thinking Skills on Virus Material: The Need for Learning Innovation Sholikhah, Oktaviariesta Habibatus; Suranto, Suranto; Santosa, Slamet
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.v10i10.7222

Abstract

This research intends to describe a preliminary study of students' critical and creative thinking skill profiles at one of the State High Schools in Madiun, East Java, as well as their empowerment efforts. The type of research carried out was quantitative descriptive. The research population was students who had received virus material. This study's data collection used questionnaires and essay questions adjusted to the sub-indicators of critical and creative thinking skills. The findings indicated that 86.4% of pupils encountered difficulties comprehending virus-related content. The learning method that is often used is the conventional method, the learning resources that were often used were textbooks and PowerPoint as a frequently used learning medium. The correlation between the biology textbook used with critical thinking indicators is only 27.78% and 28.13% for creative thinking indicators. The profile of students' critical thinking skills obtained results of 32.23% (Interpretation), 28.97% (Analysis), 30.08% (Inference), 24.16% (Evaluation), 33.56% (Explanation), and 34.29% (Self-regulation). The profile of students' creative thinking skills obtained results of 37.07% (Fluency), 30.83% (Flexibility), 35.68% (Originality), and 27.96% (Elaboration). The conclusion is that students' critical and creative thinking skills are relatively low, so innovative learning is needed to empower these skills
Co-Authors fatimah Fatimah Ni'matuzahroh, Ni'matuzahroh Pujiati Pujiati Rico Ramadhan, Rico Slamet Santosa Sri Utami Suranto Suranto