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All Journal Agrotrop : Journal on Agriculture Science International Journal of Biosciences and Biotechnology Buletin Udayana Mengabdi E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Jurnal Lahan Suboptimal Journal of Degraded and Mining Lands Management Caraka Tani: Journal of Sustainable Agriculture Jurnal Agrotek Tropika Agro Bali: Agricultural Journal Advances in Tropical Biodiversity and Environmental Sciences Jurnal Bali Membangun Bali Nandur
NI MADE TRIGUNASIH
Program Studi Agroekoteknologi, Fakultas Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Medicine & Pharmacology Public Health Social Sciences Transportation Veterinary Other

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Analisis Kerusakan Tanah pada Lahan Sawah Berbasis Sistem Informasi Geografis di Kecamatan Kuta Utara Kabupaten Badung Girsang, Giyo Brem Dana; Trigunasih, Ni Made; Arthagama, I Dewa Made
Agrotrop : Journal on Agriculture Science Vol 14 No 2 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2024.v14.i02.p12

Abstract

Analysis of Soil Degradation in Rice Fields Based on Geographic Information System in North Kuta Subdistrict, Badung Regency. North Kuta district is one of the regions in the Badung district where a portion of the land is utilized as wilderness. The land productivity in North Kuta district is susceptible to degradation due to inconsistent land processing with conservation principles and the high transfer functions of the land. The research aims to assess the potential for land degradation, determine the status of land degradation, identify the distribution of soil degradation, and propose directions for treating land degradation in the wilderness areas of North Kuta district. The research employs a comparative descriptive method. By overlaying land-use maps, slope maps, and land type maps using geographic information systems, five homogeneous land units were identified. The observed land use consists of plains with field observations encompassing surface rocks and solum depth. Laboratory analysis of soil samples was conducted to determine weight contents, total porosity, texture, permeability, pH, electrical conductivity, and microbial count. The determination of degradation status is based on predefined criteria for land degradation. The research results indicate one class of potential soil degradation, specifically the potential for mild soil degradation. The potential for mild degradation is observed in Tibubeneng Village, Kerobokan Village, Kelod Village, Canggu Village, Kaja Village, and Dalung Village. The degradation status in the research area is mild, with porosity being a limiting factor in Changgu Village, Kerobokan, Kelod Village, and Dalung. Recommendations for improving the wilderness in the research area include providing organic material and implementing soil processing.
Kesesuaian Lahan Komoditas Pertanian dan Perencanaan Penggunaan Lahan Berbasis Geospasial di Kabupaten Malaka, Nusa Tenggara Timur Nahak, Senon Apriyanto; Lanya, Indayati; Trigunasih, Ni Made
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Agricultural Commodity Land Suitability and Geospatial-Based Land Use Planning in Malaka District, East Nusa Tenggara. Data and information on land suitability classes for various plant commodities must be available in Malaka District on a geospatial basis so that they are easily accessible. The technology used is a geographic information system (GIS). The aims of this study were to: (1) obtain land characteristics for land suitability classes, (2) map actual and potential land suitability classes, (3) land use plans based on land suitability, (4) provide a land suitability information system. This research was conducted in two sub-districts in Malaka Regency, East Nusa Tenggara. The analysis carried out in this study included: physiographical analysis, field surveys, soil analysis in the laboratory, land suitability analysis, making land suitability maps and land use planning maps, building a geospatial-based land suitability information system. The actual land suitability class for food crops, horticulture and plantations is classified as marginal suitable (S3wa1wa2wa3rc3na1na2na3eh1eh2Ip1) to unsuitable (Nwa2xc) limiting rainfall, dry months, humidity, effective depth, N-total, P2O5, K2O, salinity, slope, erosion hazard and rocks surface. Improvement efforts include tillage, fertilizing urea, phonska, KCl, making drainage channels, setting planting times, making ponds and making bench terraces. Potential land suitability classes are very suitable (S1), moderately suitable (S2wa1wa2rc3xceh1eh2Ip1) to marginally suitable (S3wa2) limiting rainfall, dry months, effective depth, salinity, slope, erosion hazard and surface rocks. West Malaka and Central Malaka Districts first priority in flat areas to develop corn, cassava, cashew nuts, green beans, shallots, tomatoes and watermelons as an alternative. Whereas in the Central Malaka District, the hilly relief is more suitable for coconut, cocoa and cashew plantations and the karst hill relief is an alternative for the development of corn, cassava, green beans, shallots, tomatoes and watermelons.
Exploring soil erodibility: integrating field surveys, laboratory analysis, and geospatial techniques in sloping agricultural terrains Soniari, Ni Nengah; Trigunasih, Ni Made; Sumarniasih, Made Sri; Saifulloh, Moh
Journal of Degraded and Mining Lands Management Vol. 12 No. 1 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.121.6533

Abstract

The escalating trend of land degradation poses a significant challenge, especially in sloping agricultural terrains, driven by the increasing global demand for food and the limited availability of flat arable land. In response to these challenges, farmers are compelled to shift their focus towards cultivating sloping terrains. This research aimed to employ a comprehensive methodology that integrates on-site field surveys, meticulous laboratory soil analyses, and geospatial data for mapping soil erodibility. The parameters under scrutiny encompass various crucial aspects, including soil texture (ranging from coarse sand to very fine sand, silt, and clay), soil structure, organic matter content, and permeability. The meticulous examination of these factors serves as the foundation for calculating soil erodibility, utilizing the well-established Wischmeir and Smith formula developed in 1978. The research findings present a nuanced understanding of soil erodibility in the study location, revealing a spectrum spanning low to very high erodibility. Specific units, such as Unit 1, Unit 2, Unit 3, Unit 7, Unit 9, Unit 10, Unit 13, and Unit 16, exhibit very low to low erodibility. In contrast, Unit 4, Unit 6, Unit 14, and Unit 15 showcase moderate erodibility, while units like Unit 5, Unit 8, Unit 11, Unit 12, Unit 17, and Unit 18 are characterized by moderately high to very high erodibility. These insightful results shed light on the diverse erodibility levels within the studied locations and provide valuable guidance for formulating sustainable land management practices.
Jeruk Keprok Tejakula: Potensi Pengembangan Berdasarkan Analisis Kesesuaian Lahan di Kecamatan Tejakula, Kabupaten Buleleng Trigunasih, Ni Made; Rai, I Nyoman; Wijaya, I Nyoman; Wijana, Gede; Wirya, Gusti Ngurah Alit Susanta; Widhianthini, Widhianthini; Yudha, I Kadek Wisma; Utama, I Wayan Eka Karya; Wiraatmaja, Wayan
Bali Membangun Bali: Jurnal Bappeda Litbang Vol 5 No 1 (2024): April 2024
Publisher : Badan Riset dan Inovasi Daerah Provinsi Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51172/jbmb.v5i1.328

Abstract

Tujuan: Penelitian yang dilakukan bekerja sama dengan Badan Riset Inovasi Daerah (Brida) Provinsi Bali ini bertujuan untuk mengetahui potensi pengembangan jeruk keprok Tejakula dan sebarannya berdasarkan analisis kesesuaian lahan aktual dan potensial serta arahan pengelolaan lahan, dalam rangka pengembangan jeruk keprok Tejakula. Metode penelitian: Penelitian dilaksanakan di Kecamatan Tejakula Kabupaten Buleleng mulai Mei 2023 sampai November 2023. Metode yang digunakan dalam penelitian ini adalah metode survei dan wawancara. Metode klasifikasi kesesuain lahan ditetapkan dengan cara mencocokkan (matching) data karakteristik/kualitas lahan dengan kriteria syarat tumbuh berdasarkan pedoman Ritung et al. Penilaian kesesuaian lahan dilakukan sampai pada tingkat unit. Hasil dan pembahasan: Hasil penelitian menunjukkan bahwa kelas kesesuaian lahan aktual untuk tanaman jeruk keprok Tejakula tergolong S3 (sesuai marginal) sampai N (tidak sesuai) dengan factor pembatas curah hujan, tekstur, bahan kasar, KTK, N-total, P-tersedia, lereng dan bahaya erosi. Faktor pembatas setelah diperbaiki maka didapatkan kesesuaian lahan potensial tergolong S1 (sangat sesuai) sampai S2 (cukup sesuai) dengan faktor pembatas tekstur tanah. Implikasi: Perbaikan kesesuaian lahan potensial dapat dilakukan dengan upaya perbaikan struktur tanah dengan penambahan pupuk organik. Arahan penggunaan lahan pada lokasi penelitian dengan mengatur waktu tanam, penambahan pupuk organik, pupuk Urea, Pupuk TSP/SP36 dan menerapkan teknik konservasi yaitu dengan terasering dan tanaman penguat teras.
Soil Quality Analysis and Land Management Direction on Dry Land Areas in Tejakula and Buleleng Districts, Indonesia Apriadi, Putu Agung; Trigunasih, Ni Made; Mega, I Made
Agro Bali : Agricultural Journal Vol 8, No 2 (2025)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v8i2.2102

Abstract

Declining agricultural yields on drylands in Tejakula Subdistrict are largely attributed to poor soil management practices, highlighting the urgent need for comprehensive soil quality assessment. This study aims to evaluate soil quality, identify limiting factors, and map the spatial distribution of soil quality to guide appropriate land management strategies. The research was conducted from January to June 2024 across twelve sampling points in ten villages using a purposive sampling technique. Both disturbed and undisturbed soil samples were analyzed for physical, chemical, and biological indicators, including bulk density, porosity, soil texture, pH, C-organic, CEC, nutrients (N, P, K), and microbial biomass carbon (C-biomass). The Minimum Data Set (MDS) method and a weighted additive model were applied to calculate the Soil Quality Index (IKT). The results showed that all sampling sites were categorized as having very good soil quality, with IKT scores ranging from 16.3 to 19.6. The study concludes that although soil quality is generally high, targeted management interventions such as organic amendments and balanced fertilization are still necessary to address site-specific limiting factors and ensure land productivity.
Analysis of Agriculture Land Potential for Fruit Crops in Tejakula District, Buleleng Regency, Indonesia Artanaya, I Wayan; Trigunasih, Ni Made; Mega, I Made
Agro Bali : Agricultural Journal Vol 8, No 2 (2025)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v8i2.2009

Abstract

Tejakula District produces fruits that are very popular with the community, but production is not yet optimal because research on land suitability has never been carried out. The aims of this research are (1) to analyze land characteristics against land suitability classes, (2) to create maps of actual and potential land suitability classes, (3) to plan land use, and (4) to provide information systems. The research used a survey and Laboratorium from March to June 2024, taking soil samples. Actual land suitability class for horticultural fruits in Tejakula District is classified as marginally suitable(S3) to not suitable(N) with limiting factors of rainfall,  root condition, pH, N-total, P2O5, slope, and erosion hazard. Improvement efforts are made through soil processing, fertilizing with organic, Urea, and Phonska, improving irrigation, and making terraces. Based on the land suitability, the districts of Tejakula, as the priority, are developed to plant mango and mangosteen with quite suitable land(S2) with limiting factor temperature at Pacung, Sembiran, Bondalem, Tejakula, Tembok Village, and another Village moderately suitable(S2) with limiting factor root condition, slope. Kingfruit and Raspberryplant are quite suitable(S2) at Sembiran, Julah, Bondalem, Tejakula, Tembok village, with the limiting factor being temperature, and another Village is moderately suitable(S2) with the limiting factor being rainfall and root condition. Grape and avocado are quite suitable (S2) with the limiting factor of temperature at Pacung, Sembiran, Julah, Bondalem, Tejakula village, another village is moderately suitable(S2) with the limiting factor of root condition and slope. Land use planning by improving irrigation and applying organic fertilizer, Urea, Phonska, and making terracing.
Evaluating Soil Fertility and Quality Status for Balanced Fertilization-based Agricultural Land Management in Mendoyo Subdistrict Vandani, Yayan; Trigunasih, Ni Made; Sumarniasih, Made Sri
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025 (ON PROGRESS)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Soil fertility and quality have declined due to conventional farming practices that neglect fertilization. To restore soil fertility and quality, an evaluation is being conducted to determine balanced fertilization doses. This research aims to identify the soil fertility and quality status in the Mendoyo Subdistrict so as to provide recommendations for balanced fertilization in specific agricultural areas. The methods used were surveying and laboratory soil testing. The results demonstrated that the Mendoyo Subdistrict exhibited a combination of moderate and high soil fertility levels. The soils with moderate status were located in HLU (Homogeneous Land Units) I, II, V, VIII, IX, and X, while the those with high ones were located in HLU III, IV, VI, and VII. Moreover, the subdistrict exhibited varying levels of soil quality, ranging from poor to moderate, good, and very good. The poor-quality soil was located in HLU I, the good ones were located in HLU II, III, and IV, and the very good ones were located in HLU V, VI, VII, VIII, IX, X. The limiting factors in this research included texture, C-organic, nutrients (N, P, and K), and C-biomass. Meanwhile, the advanced regression and correlation tests indicated that C-organic was the most influential factor in determining soil fertility and quality, thus resulting in a recommended organic fertilizer dose of 2 t.ha-1 for rice, 15 kg.plant-1.th-1 for cocoa dan robusta coffe, and 10 t.ha-1 for coconut and banana. Inorganic fertilizer doses vary depending on the soil's nitrogen, phosphorus, and potassium content.
Co-Authors A.A.NYOMAN SUPADMA Abd. Rasyid Syamsuri Adelia Novita Marampa Agustina, I Komang Yudi AHMADI FAUZAN NUR RAHMAN AI Nyoman Sunarta Anak Agung Istri Agung Pramesti Anastasia Febriana Apriadi, Putu Agung Artanaya, I Wayan Bintang Bayu Mahapati DEWA AYU CHYNTIA ANGELINA DEWA AYU PUTU SRI WAHYUNI DIBIA I N Dita Ayu Lorenza DJIAN NILAM SARI Dwiki Sinatrya Putra Fadilah Triani Putri Febrin Sidabutar GEDE WIJANA Girsang, Giyo Brem Dana Gusti Ngurah Alit Susanta Wirya I DEWA MADE ARTHAGAMA I DEWA MADE ARTHAGAMA I Gede Ketut Susrama I Ketut Suada I MADE ADNYANA I Made Mega I Made Mega I Made Mega I Nengah Netera Subadiyasa I Nyoman Dibia I NYOMAN MERIT I NYOMAN RAI I NYOMAN SUNARTA I NYOMAN WIJAYA I Wayan Narka I Wayan Narka I WAYAN NARKA I WAYAN NARKA I Wayan Narka I WAYAN SEDANA I.D.M. Arthagama I.N. Dibia I.N. Sunarta Ida Bagus Putu Bhayunagiri IMAS CAHYANINGTIYAS INDAYATI LANYA Irene Levina Yulianti Sinaga Isabella Tiurmauli Jencristy Gilberd Sitanggang Josua Sintong Martin Hutauruk KARTIKA DEWI OKTAFIANTI Kezia Angelia Febyna Putri M D DANA MADE SRI SUMARNIASIH MADE SRI SUMARNIASIH Made Sri Sumarniasih Made Sri Sumarniasih MOH SAIFULLOH Moh Saifulloh moh saifulloh, moh Nahak, Senon Apriyanto Nalle, Margiman S. NI KADEK ARY KRISNAYANTI Ni Luh Kartini Ni Made Ely Ariani NI NENGAH SONIARI NI NYOMAN ARI MAYADEWI NI PUTU UTARI HANDAYANI Nyoman Bintang Kartika Sari Pramudita, I Gede Made Prananda Yogathama Pribadi Putu Perdana Kusuma Wiguna Putu Perdana Kusuma Wiguna Putu Perdana Kusuma Wiguna RENI ANDRIANI NAIBAHO Risky Novelin Simatupang SISKA MAILASARI SUMARNIASIH, MADE SRI T. Kusmawati TATIEK KUSMAWATI THRESIA ADHISYA SITORUS UTAMA, I WAYAN EKA KARYA VANDANI, YAYAN WIDHIANTHINI WIDHIANTHINI Wiraatmaja, Wayan WIYANTI WIYANTI YUDHA, I KADEK WISMA