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All Journal LaGeografiA Journal of Tropical Soils JIPF (Jurnal Ilmu Pendidikan Fisika) Penelitian Pendidikan Geografi Sangia : Jurnal Penelitian Arkeologi (Journal of Archaeology Research) Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Multi Discere Journal Jurnal Penelitian Pendidikan Geografi
Sitti Kasmiati
Jurusan PMIPA/Fisika FKIP UHO
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Physics Public Health Social Sciences Other

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Variation of Chemical Elements and their Associations in Laterite Soil Profile Tufaila, M; Safiuddin, La Ode; Eso, Rosliana; Kasmiati, Sitti; Syaf, Hasbullah; Nur Ramadhan, La Ode Ahmad; Hasrorayan, .; Ardin, .
JOURNAL OF TROPICAL SOILS Vol. 20 No. 2: May 2015
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2015.v20i2.111-118

Abstract

The objective of this study was to evaluate the variations of twelve chemical elements (Ni, Fe, Co, Mg, Mn, Al, Si, Zn, Ti, P, Ca and Cr) in laterite soil profiles from Wantulasi area in South East Sulawesi Province of Indonesia. Eighty four (84) samples of three profiles (i.e. each profile consists of eight samples) had been used to study their variations in soil using the X-Ray Fluorescence (XRF). Results analysis of the chemical elements content in three profile using XRF indicated that there were good correlationsbetween the chemical elements in the soil profile with the significant correlations were found in Ni and Fe, Ni and Si, Ti and P, Fe and Al, and Co and Mn, respectively. On the other hand,the results of study showed that the variations of the chemical elements could be related to the enrichment and translocation of the elements in soil profile and also their possibilities to be related with a given chemical elements in soil profile. Therefore, we suggest that the observed patterns in chemical elements with a good correlation in laterite profile can be used as proxies to integrate the evaluation of the chemical and physical weathering process based on the elements characteristics in soil profiles.
Kondisi Ekonomi Masyarakat Petani Nilam Ahmad, Amirzah; Kasmiati, Sitti; Nursalam, La Ode
Jurnal Penelitian Pendidikan Geografi Vol 11 No 1 (2026)
Publisher : Jurusan Pendidikan Geografi FKIP Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36709/jppg.v11i1.735

Abstract

Patchouli (Pogostemon cablin Benth.) is one of the main agricultural commodities cultivated by the community in Mataupe Village. However, the economic condition of patchouli farmers varies considerably, indicating the need for a more in-depth study of their socioeconomic aspects. This research aims to describe the economic condition of patchouli farmers in Mataupe Village, Andoolo Barat Subdistrict, South Konawe Regency. The study employed a descriptive qualitative method, with data collected through observation, questionnaires, and documentation. The results showed that the size of farmland managed by farmers varies: 15 farmers (36%) cultivate less than 0.5 hectares, 15 farmers (36%) cultivate 0.5 hectares, 10 farmers (24%) manage between 0.5–2 hectares, and only 2 farmers (4%) own 2 hectares of land. In terms of income, based on BPS (Central Bureau of Statistics) classification, 33 farmers (78.6%) fall into the very high-income category, 6 farmers (14.3%) into the high-income category, and 3 farmers (7.1%) into the moderate-income category. Regarding household expenditure, 2 farmers (5%) have very high expenditures, 11 farmers (26%) high, 18 farmers (43%) moderate, and 11 farmers (26%) low. These findings illustrate the diverse economic capacities among patchouli farmers in Mataupe Village, which are strongly influenced by differences in land size, production scale, and household spending priorities.
Meningkatkan Kemampuan Berpikir Kritis Siswa Menggunakan Model Problem Based Learning pada Materi Pengantar Ilmu Geografi di SMAN 12 Kendari Nasiru, Ahmad Sadam; Kasmiati, Sitti; Hasanah, Nur
Jurnal Penelitian Pendidikan Geografi Vol 11 No 1 (2026)
Publisher : Jurusan Pendidikan Geografi FKIP Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36709/jppg.v11i1.737

Abstract

The critical thinking ability of students at SMAN 12 Kendari is still relatively low because the learning process tends to be teacher-centered. This study aims to: 1) determine student activities in applying critical thinking skills during learning the Introduction to Geography material, and 2) determine teacher activities after applying the Problem Based Learning (PBL) learning model on the same material. This study is a classroom action research. The results of the study indicate that: 1) the implementation of learning using PBL in cycle I obtained an average activity score of 2.7 by teachers and 2.5 by students, while in cycle II it increased to 3.5 for teachers and 3.6 for students; 2) students' critical thinking ability based on the Learning Objective Achievement Criteria of 75 also increased, where the percentage of completion in cycle I reached 70%, and increased in cycle II to 93.33%. Thus, it can be concluded that the application of the PBL learning model is effective in improving students' critical thinking ability in the Introduction to Geography material at SMAN 12 Kendari. This PBL model can be used as an alternative learning strategy that encourages students to be more active and analytical, while also helping teachers create a more student-centered learning process.
Co-Authors Ade Trie Yunizar Afiah, Sitti Nurul Agus Sugiarto Ahmad, Amirzah Amaluddin Sope Andi Rajab Putra Andri Estining Sejati Andrias, Andrias Ardin, . Armayani, Armayani Erna Erna, Erna Fendi Pradana Harnas, Isman Hasan, Sakka Hasbullah Syaf Hasrorayan, . Ihlas, Ihlas Irsan, Laode Muhamad Karim, Ahmad Tarmizi Abdul La Harudu La Ode Amaluddin, La Ode La Ode Hadini La Ode Nur Akbar La Ode Nursalam, La Ode la Ode Safiuddin M Tufaila Marliati Marliati Nasiru, Ahmad Sadam Nasrun Balulu Nur Hasanah Nur Hasanah Nur Ramadhan, La Ode Ahmad NurlansiNurlansi, Nurlansi Ramli Ramli Rosliana Eso S. Syarifuddin sandy suseno Sarifah Sarifah Saudi, Fitriyani SriMuliani, Linda Surdin, Surdin Takda, Amiruddin Taufik Hidayat Trisna Wati, Trisna Vaz, Benjamin Laurentino