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All Journal Jurnal Ilmu Pertanian Indonesia JOURNAL ONLINE OF PHYSICS Desimal: Jurnal Matematika Gravitasi: Jurnal Pendidikan Fisika dan Sains Mandalika Mathematics and Educations Journal SIGANUS: Journal of Fisheries and Marine Science LETS: Journal of Linguistics and English Teaching Studies Nutrition Science and Health Research Jurnal Elektronik Pendidikan Matematika Tadulako
Fajriani
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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INNOVATIVE DIGITAL MAPPING OF SOIL ORGANIC MATTER CONTENT IN OIL PALM USING IMAGE ANALYSIS nila, idaratna; Rahmawati; Muhammad Ari Fahril; Sabrian Tri Anda; Rachmad Almi Putra; Fajriani; Afrahun Naziah
Jurnal Ilmu Pertanian Indonesia Vol. 0 No. 00 (2025): inpress
Publisher : Institut Pertanian Bogor

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This research aims to develop a method of mapping soil organic matter content in oil palm land using image processing technology. The data includes oil palm and bare land images and field measurements in pH, humidity, temperature, TDS, and EC. Correlation analysis showed a significant relationship between image spectral components (especially in the blue channel with r=0.3640) and soil organic matter content. The distribution of organic matter content showed concentrations in the 4.5-5.5% range with an average value of about 5%. The image processing-based predictive model successfully mapped the spatial variation of organic matter content with sufficient accuracy. The mapping results show spatial heterogeneity that can be used as a basis for implementing precision agriculture in oil palm lands. This research proves the potential of image processing technology as a non-destructive method for characterising and monitoring soil quality in oil palm plantations.
ANALISIS KESALAHAN HASIL UJIAN AKHIR SEMESTER MATEMATIKA SISWA MTs Hi HAYYUN SALUMPAGA TAHUN AJARAN 2022/2023 BERDASARKAN PROSEDUR NEWMAN: Analysis of Error Analysis of Mathematics Final Examination Results of Mts Students Hi Hayyun Salumpaga For Academic Year 2022/2023 Based on Newman Procedure Rauf, Mutia A; Karniman, Tegoeh S.; Rizal, Muh.; Fajriani
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 11 No. 4 (2024)
Publisher : Universitas Tadulako

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This study aims to obtain a description of student errors in the results of the mathematics final exams for the 2022/2023 school year based on the Newman Procedure. This type of research is qualitative. The research subjects used in this study were 29 students of class IX B MTs Hi Hayyun Salumpaga. The results of this study are in the form of descriptions of student errors and the causes of errors made by class IX B MTs Hi Hayyun Salumpaga. Based on the research results, it has been found that the most dominant errors are process errors with a percentage of 77%, transformation errors with a percentage of 82%, errors in understanding the problem with a percentage of 75%, and errors in writing the final answer with a percentage of 72%. The mistakes made in (1) the error in understanding the problem is where students do not write down what is known and what is asked, (2) transformation errors that occur, namely students misunderstand the meaning or concept to be used, (3) the process error made was not being able to carry out the process correctly and not being thorough, (4) errors in writing the final answer, namely the student made a mistake in writing the final answer and got an incorrect answer.
The influence of numeracy skills on students’ mathematics learning outcomes in the area of plane shapes material at elementary schools in labuan district Maisaroh; Mustamin Idris; Fajriani; Bakri M
Desimal: Jurnal Matematika Vol. 8 No. 3 (2025): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v8i3.202529343

Abstract

This study investigated the effect of numeracy skills on mathematics learning outcomes, specifically in the area of 2 plane figures, among 61 fifth-grade students in Labuan Regency. Using a quantitative correlational design, descriptive results showed that students' numeracy skills were in the good category (average 75.90) and learning outcomes were in the fair category (average 70.33). The Spearman rank correlation test showed a positive and significant effect, but the relationship was weak (r = 0.292; p = 0.023 < 0.05). These findings confirm that better numeracy skills contribute to higher learning outcomes, but the weak correlation underscores the important role of other factors (e.g., teaching methods, motivation). This study implies that teachers should optimize contextual numeracy-based learning to improve achievement, especially for complex concepts such as the area of a trapezoid.
Co-Authors Afrahun Naziah Alma, Alma Saputri Anita Purwanti Ari, M. Ari fahril Bakri M Fadlly, T. Andi Fahril, M. Ari Farhanuddin Fitriah, Reski Hartini Heriyati Herlina Purba Holyness Nurdin Singadimedja Hotmaida, Romauli Ida Ratna Nila Ilma, Rachsha Kulla Irwan Irwan Ismaimuza, Dasa Ismaimuza Karniman, Tegoeh S. Maisaroh Muh. Rizal Muhammad Ari Fahril Muhammad Danial Muhammad Nur MUSTAMIN IDRIS Nasir, Rahma Naziah, Afrahun Ni Made Intan Kertiyani Nila Sari nila, idaratna Nirmala Sari Nurhaeni Putra, Rachmad Almi Rachmad Almi Putra Rahmawati Rauf, Mutia A Riska Fasya Sabrian Tri Anda Sabrian Tri Anda Sutji Rochaminah Syahrul Takril Uncok Manigor Jokkas Siahaan