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All Journal Jurnal Ecosolum Cannarium (Jurnal Ilmu-ilmu Pertanian) Techno: Jurnal Penelitian Jurnal Dinamika Pengabdian (JDP) JTERA (Jurnal Teknologi Rekayasa) Jurnal Penelitian Pengelolaan Daerah Aliran Sungai MAKILA: Jurnal Penelitian Kehutanan Journal Of Human And Education (JAHE) Agrikan: Jurnal Agribisnis Perikanan JAPI: Jurnal Akses Pengabdian Indonesia Journal of Synergy Landscape Jurnal Pertanian Khairun (JPK) Jurnal Lingkungan Almuslim
Sarif Robo
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Karakteristik Geomorfologi Tanah pada Formasi Geologi Kuarter Gunung Api Holocen di Wilayah Kepulauan Maluku Utara: Characteristics of Soils Geomorphological on Quaternary Geological Formations of Holocene Volcanoes in the North Maluku Islands Region Aji, Krishna; Nasution, Lely Adriani; Sufia, Rohana; Robo, Sarif; Hartati, Tri Mulya
Jurnal Ecosolum Vol. 13 No. 2 (2024): DESEMBER
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ecosolum.v13i2.39868

Abstract

Variability of soil types in the Quaternary geological formations on the islands presents different soil morphological characteristics. The process of geomorphogenesis and geology determines the characteristics of soil morphology. This study aims to determine the characteristics of soil morphology, pedogenesis process, soil development based on landforms in Quaternary geological formations in North Maluku Islands region. Six soil profiles were observed, which were determined based on geographical location. Descriptive research methods based on USDA standards were used as the basis for determining soil morphological characteristics. The results showed that the pedogenesis process on Quaternary volcanic landforms were caused by a period of volcanic eruptions characterized by thick soils (>100 cm), fairly steep slopes (15 - 25%), no rock outcrops, and an eluviation-illuviation process on the soil profile. While the pedogenesis process on alluvial landforms tends to produce in-situ rock weathering characterized by slow horizon formation and produces a relatively shallow soil solum (<100 cm). The data obtained provide information on soil resources and the research results can also be used as a formulation in conservation efforts on the islands.
Suitability of Land for Forage Crops in Bangko Hamlet, Bobane Igo Village, South Jailolo District, West Halmahera Regency Hartono, Gunawan; Robo, Sarif; Sulasmi, Sulasmi
Agrikan Jurnal Agribisnis Perikanan Vol. 17 No. 2 (2024): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v17i2.2307

Abstract

The availability of high-quality and sustainable livestock feed remains a major challenge in the development of the livestock sector, particularly in West Halmahera. One of the key factors affecting livestock feed availability is land suitability for forage crop cultivation. Bangko Hamlet in Bobane Igo Village possesses extensive land potential, but its utilization has not been optimized. This study aims to evaluate the suitability of the area’s land for forage crops such as Calliandra, Leucaena, and Napier grass. The research employed the matching method, comparing land characteristics with land suitability criteria. The results indicate that the actual land suitability ranges from S2 (moderately suitable) to N1 (not suitable). The main limiting factors identified include water availability (dry months and rainfall), erosion levels, nutrient retention (base saturation and organic matter content), and topography affecting drainage and slope. Improvement efforts such as fertilization, water management, soil conservation, and erosion control can enhance potential land suitability to the S2 class. This study recommends management strategies based on limiting factors to support sustainable land utilization and meet the livestock feed demand in the area.
Perencanaan Penggunaan Lahan Berbasis Kemampuan Lahan di Kelurahan Kulaba, Kecamatan Ternate Barat, Kota Ternate Robo, Sarif; Ladjinga, Erwin; Hartono, Gunawan; Sofyan, Adnan; Mustaan, Sukmawati
Jurnal Pertanian Khairun Vol 2, No 1: (Juni 2023)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/jpk.v2i1.6329

Abstract

Land use planning is the process of inventorying and assessing the status, potential and limitations of a given area and its resources, which local people interact with or with people who care about the area to determine their needs, wants and aspirations. for the time. Kulaba sub-district is a small part of Ternate City which is located in West Ternate sub-district, which has a characteristic sloping to steep topographic area. The purpose of this study is to plan land use based on land capability, which is in the Kulaba Village, so that it becomes information in farming and other businesses. Determination of sampling points using a map then carried out a land survey with a free survey observation distance system, the approach used is analytic. Classification of land capability is categorized based on the characteristics that are potential and obstacles in its use. This analysis uses the LCLP (Land Classification and Landuse Planning) application. The results showed land use planning based on land capability that the land at the research location in Kulaba Village had four land capability classes namely III, IV, VI and VIII with the limiting factor of surface slope (L), soil permeability (P) and erosion sensitivity (KE). and subsoil texture with an area of 259.4 Ha. The alternative is that C-organic must have an important role in determining the soil's ability to support plants.
Assessing the Level of Soil Development as a Strategy for Land Management a Case Study in West Halmahera Regency of Indonesia Erwin Ladjinga; Adnan Sofyan; Lily Ishak; Tri Mulya Hartati; Krishna Aji; Sarif Robo
TECHNO: JURNAL PENELITIAN Vol 13, No 2 (2024): TECHNO JURNAL PENELITIAN
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/tjp.v13i2.7973

Abstract

Signs of soil that has undergone advanced development include clearer horizons, higher fine fraction and lower coarse fraction, brighter soil color, higher levels of free Al and Fe. Soil aggregation is increasing, to a certain extent organic matter and nutrient levels are increasing as well as CaCO levels, and soluble salts. Soil development is characterized by the occurrence of horizon differentiation as a representative of the process of change in the earth's skin both physically, chemically and biologically by reactions in the soil profile there is an addition of organic and mineral materials in the form of solid, liquid or gaseous materials, the disappearance of materials above the soil, the transfer of materials from one part to another in the soil body, the transfer of the form of mineral compounds and organic matter in the soil body This research was carried out in the village of Bobaneigo Madihutu, South Jailolo District, West Halmahera Regency from June to July 2023. The method used in data collection is a free survey method, which is an observation made directly in the field by determining the research location based on land use maps, and administrative maps. The variables observed were C-Organic, N-Total, C/N Ratio, CEC, KB which are soil chemical properties. The results showed that the study of the level of soil development in several types of land use has not experienced weathering or advanced development due to the low content of nutrients.
Variasi Tingkat Perkembangan Tanah Berdasarkan Ordo Tanah di Kelurahan Moti Kota, Kota Ternate, Indonesia Ladjinga, Erwin; Rachman, Idris Abd.; Ishak, Lily; Robo, Sarif; Fataha, Farid
Cannarium Vol 23, No 1 (2025)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/cannarium.v23i1.9739

Abstract

Kompleksitas proses pedogenesis pada pulau vulkanik kecil yang berpengaruh terhadap tingkat perkembangan tanah, khususnya ordo Entisol dan Inceptisol di Kelurahan Moti Kota, Kota Ternate. Kondisi iklim tropis basah, bahan induk piroklastik Kuarter–Holosen, serta variability topografi memunculkan perbedaan morfologi dan sifat fisik-kimia tanah yang signifikan. Tujuan penelitian adalah mengidentifikasi dan membandingkan variasi tingkat perkembangan profil tanah berdasarkan indikator pedogenik termasuk nisbah debu/liat, KTK/liat, rasio C/N, dan rasio Fe-oksalat/Fe-dithionit serta mendeskripsikan karakteristik morfologi, fisik, dan kimia tanah pada dua profil representatif, yakni Entisol (profil II) dan Inceptisol (profil I). Metode yang digunakan meliputi survei toposekuens dengan penggalian profil pada setiap posisi elevasi, deskripsi morfologi lapangan sesuai prosedur USDA, analisis tekstur (metode pipet), pH H₂O, kapasitas tukar kation (NH₄OAc pH 7,0), Saturasi Basa, karbon organik (Walkley–Black), total N (Kjeldahl), serta ekstraksi besi oksalat dan dithionit. Data kuantitatif dianalisis untuk menghitung nisbah indikator pedogenesis dan diklasifikasikan menurut Soil Taxonomy USDA. Hasil penelitian menunjukkan bahwa profil I (Inceptisol) membentuk horizon cambic dengan struktur gumpal menyudut, peningkatan fraksi liat dari 20 % hingga 35 %, nilai KTK 19,95–23,25 cmol(+)/kg, dan decreas­ing basa saturation dari 60 % ke 33 %. Indikator nisbah debu/liat menurun dari 1,25 pada horizon Ap ke 0,15 pada horizon Bb/C, sedangkan rasio Feₒ/Fe_d berfluktuasi menandakan proses transformasi oksida besi lanjutan. Sebaliknya, profil II (Entisol) hanya memiliki horizon A dengan tekstur lempung berpasir, KTK 20,95 cmol(+)/kg, saturasi basa 62 %, nisbah debu/liat 0,85, dan rasio Feₒ/Fe_d 1,10, menggambarkan tanah muda dengan sedikit perkembangan horizon. Kesimpulan penelitian menyatakan bahwa interaksi bahan induk vulkanik, iklim lembap tropis, organisme, topografi, dan waktu menghasilkan gradiens perkembangan tanah dari Entisol ke Inceptisol di Kelurahan Moti Kota. Pemahaman mendalam terhadap variasi ini penting untuk perencanaan penggunaan lahan berkelanjutan, di mana Inceptisol cocok untuk hortikultura intensif dan Entisol memerlukan tutupan vegetatif untuk mencegah erosi.
Arahan Zonasi Penggunaan Lahan Berbasis Evaluasi Kemampuan Lahan dan Analisis LCLP di Kelurahan Tafamutu, Kecamatan Moti, Kota Ternate Hartono, Gunawan; Hartati, Tri Mulya; Robo, Sarif; Kasman, Kurnia Sari
MAKILA Vol 19 No 1 (2025): MAKILA: Jurnal Penelitian Kehutanan
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/makila.v19i1.18547

Abstract

This study evaluates land capability in Tafamutu Village, Moti District, Ternate City, as a basis for sustainable land-use planning. Employing the Land Capability Classification (LCC) framework and the Land Classification and Land Use Planning (LCLP) software, the analysis identifies five land capability classes (V–VIII) across sixteen land mapping units. Subclass V‑P1, occupying 7.6 ha (1.1%), is constrained by slow permeability (< 25 mm/h). In contrast, subclass V‑b3, covering 100.4 ha (14.9%), is characterized by high coarse fragment content (> 90%), resulting in splash erosion rates of up to 22.3% under intense rainfall. Class VI‑E, comprising 135.3 ha (20.1%), is defined by moderate slopes (30%–45%) and elevated surface runoff potential—up to 75% higher compared to gentle slopes (< 15%). Class VII‑e5 encompasses 143.9 ha (21.4%) and is marked by severe erosion, with rates reaching 1,738.2 t ha⁻¹ yr⁻¹. Class VIII‑G, the most significant area at 261.2 ha (38.9%), includes very steep slopes (> 65%) and is designated strictly for conservation purposes. The dominant soil textures are clay loam and sandy loam, with an average adequate depth of 80 cm and a pH range of 5.0–6.5. These edaphic conditions support the cultivation of cloves and nutmeg, contingent upon implementing appropriate soil conservation techniques such as terracing and organic mulching. Based on the land capability assessment, recommended land uses include grazing on Class V lands (108 ha; 16.5%), limited plantation development on Class VI (135.3 ha; 20.1%), production forestry on Class VII (143.9 ha; 21.4%), and strict protection as forest reserves on Class VIII (261.2 ha; 38.9%). These zoning guidelines are instrumental in promoting climate-resilient land management and the sustainable utilization of natural resources within coastal volcanic landscapes.
Co-Authors Abbas, Rahmat Adnan Sofyan Ahmad, Hasna Aji, Krishna Aminuyati Anggit Sasmita Bambang Dwi Dasanto Cut Azizah Fataha, Farid Gilang Ramadan Kololikiye Gunawan Hartono Gunawan Hartono Halus Satriawan Hidayat Pawitan Hidayat Pawitan idris abd. rachman Idris Abd. Rachman Ishak, Lily Kasman, Kurnia Sari Kusman Malik Ladjinga, Erwin Lely Adriani Nasution Misnawati Misnawati Mustaan, Sukmawati Nuraida Nuraida Nurul Ainun Tangge Rasmita Sabtu ROHANA SUFIA Sulasmi Sulasmi Sulasmi Sulasmi Suria Darma Tarigan Tangge, Nurul Ainun Tri Hartati, Tri Tri Mulya Hartati