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All Journal Agrotrop : Journal on Agriculture Science SOCA: Jurnal Sosial Ekonomi Pertanian AGRITROP Jurnal Kimia (Journal of Chemistry) International Journal of Biosciences and Biotechnology Jurnal Agribisnis dan Agrowisata (Journal of Agribusiness and Agritourism) E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Agro Bali: Agricultural Journal INTERNATIONAL JOURNAL OF ENVIRONMENT AND GEOSCIENCES Evolusi: Journal of Mathematics and Natural Sciences Nandur Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian
I Made Mega
Program Studi Agroekoteknologi Fakultas Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Mathematics Social Sciences Other

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Uji Efek Inokulan Pelet dan Kapsul Trichoderma harzianum terhadap Kandungan Resin dalam Kayu Gaharu Pada Lahan Berbeda Mega, I Made; Kartini, Ni Luh; Suranjaya, I Gede
Agrotrop : Journal on Agriculture Science Vol 14 No 1 (2024)
Publisher : Fakultas Pertanian Universitas Udayana

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

Abstract

Testing the Effect of Trichoderma harzianum Pellet and Capsule Inoculant on Resin Content in Agarwood Wood on Different Lands. Resin is a secondary metabolite compound produced by agarwood plants due to injury or infection by microbes. The formation of gaharu resin is influenced by the genetics of the resin-producing tree, the type of inducing microbe, the environment and the length of the resin formation process in gaharu. Previous research showed that inoculant pellets and Trichoderma harzianum mushroom capsules could increase the resin content in agarwood in the Dauhpuri Marga Village experimental garden. This research aims to prove the effect of inoculant in Trichoderma harzianum mushroom pellet and capsule packaging on the resin content in agarwood in several different fields. This research is an experimental research with a factorial pattern RCB design. The first factor is the type of inoculant packaging with 3 levels, namely: F0 (without inoculant), Fp (pellet inoculant), Fk (capsule inoculant). The second factor is land type consisting of 3 levels: Kl (Klungkung), Mg (Marga), Sl (East Selemadeg). The parameters observed were: color of agarwood, aroma of agarwood, resin content in agarwood. Quantitative data from observations/measurements are analyzed statistically using variance analysis, if significant occurs, it is continued with the Duncan Test. The research results showed that the type of inoculant packaging had a significant effect on the resin content in agarwood, but the type of land had no significant effect on the resin content in agarwood. This proves that Trichoderma harzianum fungus pellet inoculant can increase the resin content in agarwood on various different fields.
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.
A Assessment of Potential Damage and Loss of Subak Land Use Due to Flood Hazard in South Denpasar District, Denpasar City Sianturi, Harrixon Sangputra; Sumarniasih, Made Sri; Wiguna, Putu Perdana Kusuma; Narka, I Wayan; Bhayunagiri, Ida Bagus Putu; Mega, I Made
Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Vol. 22 No. 2 (2025): Volume 22 No 2, December 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jg.v22i2.31312

Abstract

South Denpasar District has an elevation of 0–12 meters above sea level and is categorized as a lowland area, making it prone to flood disasters. Flooding can cause damage and economic losses, particularly in the agricultural sector on subak lands. This study aims to calculate the potential damage and losses in subak land use in South Denpasar. The methods used include the Topographic Wetness Index (TWI) to analyze flood and damage potential, as well as field surveys for validation and loss estimation. The data used include DEM SRTM data, the Indonesian Topographic Map (RBI), the subak boundary map of South Denpasar District, and satellite imagery from Google Satellite. Data from the Department of Agriculture include subak area data. Data from the Agricultural Extension Center (BPP) and subak heads (pekaseh) include data on the cost components of subak production per hectare. Data from the Department of Public Works, Water Resources Division, include subak irrigation data and the cost components for constructing concrete irrigation channels per meter. The results show that subak land in South Denpasar has high damage potential covering 91,732 ha (20,48%), medium damage potential at 133,548 ha (29,81%), and low or no damage at 222,701 ha (49,71%). Areas with the largest subak damage potential are Subak Kerdung and Subak Kepaon. The potential damage to subak irrigation networks is classified as high 974,07 m (8,00%), medium 4.107,12 m (33,71%), and low or none 7.101,99 m (58,29%). The longest irrigation damage potentials are found in Subak Kerdung and Subak Intaran Barat. The total estimated subak loss in South Denpasar District is calculated by summing the losses from high and medium damage potential for each variable. The estimated loss for subak production is IDR 1,564,288,000, while the irrigation loss is IDR 1,496,626,727, resulting in a total potential loss of IDR 3,060,914,727. The highest losses are found in Subak Kerdung and Subak Kepaon. Policy recommendations include strengthening irrigation infrastructure, disaster mitigation training, and preserving the subak system through land conservation.
Co-Authors A.A.NYOMAN SUPADMA Apriadi, Putu Agung Artanaya, I Wayan D.N. KASNIARI Dewa Ayu Swastini DEWA KETUT SUANDA Dewa Ketut Suanda DJIAN NILAM SARI Febrin Sidabutar GUSTI AGUNG AYU RATIH SARIDEVI I DEWA MADE ARTHAGAMA I Gede Ketut Susrama I GEDE SURANJAYA I GUSTI AGUNG AYU AMBARAWATI I GUSTI PUTU RATNA ADI I Ketut Mangku Budiasa I Ketut Sardiana I MADE ADNYANA I MADE DANA I MADE DANA I Made Oka Adi Parwata I Nengah Netera Subadiyasa I Nyoman Dibia I Nyoman Puja I NYOMAN SUNARTA I WAYAN BUDIASA I Wayan Dana Atmaja I WAYAN NARKA I Wayan Nuarsa IDA AYU SRI MAS ARY SUSANTHI IDA AYU SUTYADNYANI IDA BAGUS PUTU BHAYUNAGIRI Ketut Dharma Susila MADE SRI SUMARNIASIH Mei Esra Lestari Ni Luh Kartini NI MADE TRIGUNASIH PEDRO BARUS PUTU CANDRA LINDARI Putu Perdana Kusuma Wiguna RADEGUNDA AGUSTA JINOTRI REZA ADELIA Sianturi, Harrixon Sangputra SUMARNIASIH, MADE SRI SUTAN TANTOWI DERMAWAN Tati Budi Kusmiyarti TRISNA AGUNG PHABIOLA WAYAN SUENA