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Short Communication: Volcanic ash utilization as planting medium of curly lettuce with charcoal husk and urban waste compost as soil amendment MULYONO, NITISAPTO; MAAS, AZWAR; PURWANTO, BENITO HERU; SUDIRA, PUTU
Asian Journal of Agriculture Vol 2 No 02 (2018)
Publisher : Society for Indonesian Biodiversity & Universitas Mulawarman, Samarinda, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g020201

Mulyono, Maas A, Purwanto BH, Sudira P. 2018. Short Communication: Volcanic ash utilization as planting medium of curly lettuce with charcoal husk and urban waste compost as soil amendment. Asian J Agric 2: 39-43. During a volcanic eruption, volcanic ash spreads over an extensive area, causes environmental disturbances, and thus, should be disposed afar from settlements. On the other hand, volcanic ash is useful in urban areas where pot-planting is often lack soil medium. However, the utilization of volcanic ash as direct planting medium has many obstacles due to its characteristics such as the acidic, nitrogen nutrients rareness, compressed and dull to water. Hence, to be ready to use, it should be improved by using soil amendment. This study used charcoal husk combined with compost as the soil amendment. The purpose of this study was to use the volcanic ash as the planting medium, by obtaining a proper dose of volcanic ash and the soil amendments for the growth and yield of curly lettuce. The experimental design applied in this study was the complete randomized design (CRD) with three replications. The first factor was the 5 levels of charcoal husk (on volcanic ash) doses, namely 0.30; 0.40; 0.50; 0.60; and 0.70. The second was the ratio between the media and the 3 levels of urban waste compost doses, namely: 3:1; 2:1 and 1:1, resulting in 5 x 3 total combinations with three replications. The plant growth and yield data results were analyzed by using the variance analysis and continued with Duncan Multiple tests (Duncan Multiple Range Test). The results showed that when used as the sole planting medium, the volcanic ash could not support the growth of lettuce plants. The evidence was shown from the same size and weight of the curly lettuce after the age of 35 days (5 g/plant). The utilization of husk and urban waste compost treatment showed significant growth rise. The combination of volcanic ash and soil amendments showed that the best effect on the growth and yield of curly lettuce was from M3K3 treatment at the dose of 25% volcanic ash, 25% charcoal husk and 50% urban waste compost (60 g/plant).

Evaluasi Kinerja Fisik Sistem Subak Yang Berorientasi Agroekowisata Menggunakan Pendekatan Logika Fuzzy Sumiyati, S; Sutiarso, Lilik; Windia, Wayan; Sudira, Putu
Jurnal Teknik Industri Vol 12, No 2 (2011): Agustus
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Along with the development of the tourism in Bali, one of the phenomena occurs was that the land conversion to the non-agricultural land, causing the canal irrigation was not able to function again. In addition, water demand will be increased not only for irrigation, but also for other sectors out of irrigation. This condition can interfere the performance of the subak system. One strategy to improve subak system is to develop agroecotourism based on subak system. Analysis of physical performance subak system done using fuzzy logic approach to quantify the condition of vagueness. Because of the problems associated with subak irrigation systemperformance are often vague and can not be classified with certainty. The results of this study are (i) the values of subak irrigation system performance indicators, the condition and thefunction of subak irrigation facilities, the condition and the function of subak facilities, and the agroecotourism facilities; (ii) find out the physical performance of subak irrigation systems in Bali with agroecotourism oriented. The stages of this research were collecting and analyting the data include: (i) RWS (Relative Water Supply), (ii) RIS (Relative Irrigation Supply),(iii) Ia (Index Area), (iv) analysis of the condition and function of subak irrigation networks, (v) the condition and the function of subak facilities, (vi) the agroecotourism facilities, and (vii) physical performance of subak system using fuzzy logic approach. The utilization rate of water on Subak Anggabaya and Subak Lodtunduh in one year was good. Subak Anggabayaand Subak Lodtunduh have sufficient irrigation water supply with RIS values in one year > 1. Based on Area Index (Ia), it could be seen that the irrigated area in Subak Anggabaya andSubak Lodtunduh in accordance with the plan. The physical performance of Anggabaya subak system and Lodtunduh Subak system was in the middle criteria. The simulation results that development of agroecotourism on subak system could improve the physical performance of subak system.

ANALISIS NERACA AIR SECARA METEOROLOGIS DI DAS KEDUANG, JAWA TENGAH Kumalajati, Erlynda; Sabarnudin, Sambas; Budiadi; Sudira, Putu
Jurnal Wana Tropika Vol 5 No 1 (2015)
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.731 KB)

Study on meteorological water balance in Keduang watershed, Central Java, aimed to find a balance between the need and meteorological availability of water in the Keduang watershed. Water demand is calculated by using the standard water requirements for this type of irrigation and non-irrigation needs. Types of non-irrigation water requirements include the need for water for domestic, office buildings, health facilities, lodging / hotels, educational facilities, religious facilities, industries, and markets, as well as livestock. Standards need water used is ISO 19-6728.1-2002 and Planning Criteria DGHS Department of Public Works in 1996. The availability of water is calculated using the water balance approach meteorological Turc-Langbein. The data used is the data in 2013 and analyzed using quantitative description.The results showed that 1) the need for water in the Keduang watershed 81,063,567.42 m3 / year, while 2) the availability of water in the meteorological amounted 280,160,992.62 m3 / year so that the difference amounted to 199,097,425.19 water m3 / year. From the results of these calculations, we can conclude that the water availability in the Keduang watershed is sufficient for fullfilling the water requirements. Keywords : Water requirements, water availability, water balance, Keduang watershed

DAMPAK KETIDAKSESUAIAN JENIS PENUTUPAN LAHAN DENGAN KELAS KEMAMPUAN PENGGUNAAN LAHAN TERHADAP EROSI Wahyuningrum, Nining; Sudira, Putu; Supriyo, Haryono; Sabarnudin, Sambas
Jurnal Wana Tropika Vol 5 No 1 (2015)
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (584.946 KB)

Land is a natural resource with a limited number so that the utilization of this resource should consider its ability to be able to produce sustainably. Inappropriate use may result in land degradation as indicated by the amount of erosion. This study aims to (1) evaluate the land use capability (LUC) classes and their conformity with the actual land use, (2) determine the impact of mismatches between the LUC classes and actual land use on erosion. Study was conducted in Tapan and Ngunut I Sub-Sub-watershed, Karanganyar District, Central Java. Universal Soil Loss Equation (USLE) was used to predict the potential erosion on the area while modified FAO method was used to analyze LUC. The results showed that the percentage of disagreement between LUC class and with actual land use in Tapan was 23% while in Ngunut was only 0.02%. The percentages of those disagreements have no effect on the magnitude of the annual erosion. Annual erosion in Tapan (15.12 tonnes / ha) is still smaller than in Ngunut I (25.63 tonnes / ha). Composition of land cover types and land management affect the amount of erosion. Cultivation of crops at dry land and land tillage during growing season in accordance with the rainy season has great contribution on erosion. Keywords : Unsuitability, land covers, LUC, erosion

PELUANG DAN TANTANGAN PENDIDIKAN VOKASIONAL MENGHADAPI ERA REVOLUSI INDUSTRI 4.0 Jaya, Daniel Jesayanto; Ernawati, Enik; Triyono, Mochamad Bruri; Sudira, Putu; Raharjo, Nuryadin Eko
Journal of Vocational and Technical Education (JVTE) Vol. 7 No. 1 (2025): March
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jvte.v7n1.p39-48

Era Revolusi Industri 4.0 merupakan globalisasi dimana sistem manufaktur virtual dan fisik secara global saling berintegrasi dengan cara yang fleksibel yang memungkinkan kostumisasi produk dan penciptaan model operasi baru, dengan adanya cyber physical systems dan Internet of Things yang merupakan sistem cerdas dan komunikatif temasuk komunikasi mesin-ke-mesin dan interaksi manusia-mesin. Dengan berbagai kemudahan teknologi yang ditawarkan saat ini, disadari atau tidak akan berdampak pada berbagai sektor kehidupan, terutama dalam era disrupsi. Sektor pendidikan pun terkena imbas dari era Revolusi Industri 4.0 khususnya pendidikan vokasi. Tak dapat dipungkiri, pendidikan merupakan investasi penting bagi manusia dan aset berharga bagi kemajuan negara. Peluang pendidikan vokasi dalam era Revolusi Industri 4.0 utamanya adalah kesempatan bagi semua pihak untuk mencetak generasi unggul yang mampu menghadapi segala perubahan yang terjadi di masa mendatang. Tantangan pendidikan vokasi menghadapi era Revolusi Industri meliputi perubahan dari cara belajar, pola pikir, serta pola bertindak para peserta didik dalam mengembangkan inovasi kreatif berbagai bidang, kemampuan berpikir orde tinggi (High order thinking skills / HOTS), soft skills dan adanya tuntutan kualifikasi dan skill yang diperlukan pada era Revolusi Industri 4.0 yaitu knowledge about ICT, kemampuan bekerja dengan data, technical know-how, dan personal skills.

Pelatihan Implementasi Wawasan Okupasi, Karir, dan Profesi Lulusan SMK Melalui Pembelajaran Rinawan, Rangga Bayu; Sudira, Putu; Fajaryati, Nuryake; Utami, Pipit; Anggraini, Yussi
Abdimas Galuh Vol 7, No 1 (2025): Maret 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i1.17624

Pendidikan kejuruan menyiapkan lulusannya menjadi individu yang siap bekerja dan siap melanjukan studi. Lulusan SMK masih mengalami kebingungan menentukan karirnya. Layanan bimbingan karir di SMK kurang berpengaruh dalam menentukan karir lulusannya. Guru belum mengintegrasikan variabel okupasi, karir, dan profesi lulusan SMK pada pembelajaran. Tiap mata pelajaran memiliki karakteristik yang berbeda apabila dikaitkan dengan peluang okupasi, karir, dan profesi lulusan SMK. Berbagai model pembelajaran dapat memberikan variasi tahapan pembelajaran dalam pengintegrasian variabel okupasi, karir, dan profesi lulusan SMK. Melalui “Pelatihan Implementasi Wawasan Okupasi, Karir, dan Profesi Lulusan SMK Melalui Pembelajaran”, diharapkan peserta mampu: (1) mendapatkan pemahaman mengenai urgensi pengintegrasian okupasi, karir, dan profesi lulusan SMK pada pembelajaran; (2) menyusun perencanaan pembelajaran yang terintegrasi dengan okupasi, karir, dan profesi lulusan SMK; dan (3) evaluasi pelaksanaan integrasi okupasi, karir, dan profesi lulusan SMK pada pembelajaran. Pelatihan terdiri atas beberapa tahapan, yaitu: (1) pra pelatihan: penjaringan informasi mengenai pemahaman dan penerapan okupasi, karir, dan profesi lulusan SMK pada pembelajaran; (2) pelatihan: Workshop dan FGD, Seminar Proposal Peserta, Penelitian, Seminar Hasil Peserta; dan (3) paska pelatihan: konsultasi publikasi ilmiah peserta. Hasil yang diharapkan dari pelatihan ini adalah guru mendapatkan pengalaman dalam melaksanakan pembelajaran yang mengintegrasikan okupasi, karir, dan profesi lulusan SMK dan pengalaman meneliti.

ANALISIS NERACA AIR SECARA METEOROLOGIS DI DAS KEDUANG, JAWA TENGAH Kumalajati, Erlynda; Sabarnudin, Sambas; Budiadi; Sudira, Putu
Jurnal Wana Tropika Vol 5 No 1 (2015)
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

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

Study on meteorological water balance in Keduang watershed, Central Java, aimed to find a balance between the need and meteorological availability of water in the Keduang watershed. Water demand is calculated by using the standard water requirements for this type of irrigation and non-irrigation needs. Types of non-irrigation water requirements include the need for water for domestic, office buildings, health facilities, lodging / hotels, educational facilities, religious facilities, industries, and markets, as well as livestock. Standards need water used is ISO 19-6728.1-2002 and Planning Criteria DGHS Department of Public Works in 1996. The availability of water is calculated using the water balance approach meteorological Turc-Langbein. The data used is the data in 2013 and analyzed using quantitative description.The results showed that 1) the need for water in the Keduang watershed 81,063,567.42 m3 / year, while 2) the availability of water in the meteorological amounted 280,160,992.62 m3 / year so that the difference amounted to 199,097,425.19 water m3 / year. From the results of these calculations, we can conclude that the water availability in the Keduang watershed is sufficient for fullfilling the water requirements. Keywords : Water requirements, water availability, water balance, Keduang watershed

DAMPAK KETIDAKSESUAIAN JENIS PENUTUPAN LAHAN DENGAN KELAS KEMAMPUAN PENGGUNAAN LAHAN TERHADAP EROSI Wahyuningrum, Nining; Sudira, Putu; Supriyo, Haryono; Sabarnudin, Sambas
Jurnal Wana Tropika Vol 5 No 1 (2015)
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

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

Land is a natural resource with a limited number so that the utilization of this resource should consider its ability to be able to produce sustainably. Inappropriate use may result in land degradation as indicated by the amount of erosion. This study aims to (1) evaluate the land use capability (LUC) classes and their conformity with the actual land use, (2) determine the impact of mismatches between the LUC classes and actual land use on erosion. Study was conducted in Tapan and Ngunut I Sub-Sub-watershed, Karanganyar District, Central Java. Universal Soil Loss Equation (USLE) was used to predict the potential erosion on the area while modified FAO method was used to analyze LUC. The results showed that the percentage of disagreement between LUC class and with actual land use in Tapan was 23% while in Ngunut was only 0.02%. The percentages of those disagreements have no effect on the magnitude of the annual erosion. Annual erosion in Tapan (15.12 tonnes / ha) is still smaller than in Ngunut I (25.63 tonnes / ha). Composition of land cover types and land management affect the amount of erosion. Cultivation of crops at dry land and land tillage during growing season in accordance with the rainy season has great contribution on erosion. Keywords : Unsuitability, land covers, LUC, erosion

Development of Android Application-Based Interactive Learning Media on Vehicle Instrument Panel Competence Nurdiansyah, Ferizal; Sudira, Putu
Journal of Vocational Education Studies Vol. 8 No. 1 (2025): Vol 8 No 1
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/joves.v8i1.11897

This study aims to: (1) create an interactive learning media product based on Android applications on automotive motor vehicle instrument panel competency; (2) determine the feasibility of learning media based on Android applications on vehicle instrument panel competency. This study is a type of research and development (RnD). The development of this learning media is adapted from the ADDIE (Analysis, Design, Development, Implementation and Evaluation) development model. ADDIE is used to direct the design process as determined. This study was conducted at SMK PIRI 1 Yogyakarta with the research subjects being class XI students of the Automotive Engineering Skills Program. The feasibility test stage for the results of the interactive learning media product was carried out by two material experts and two media experts, as well as trials on end users, namely students. The results of this study are: (1) the creation of an Android application-based learning media product on motor vehicle instrument panel competency; (2) The product feasibility results obtained the category "very feasible" according to material experts because they obtained an assessment score of 66 with a maximum score of 76, the category "very feasible" according to media experts because they obtained an assessment score of 53 with a maximum score of 64, and the category "feasible" according to students because they obtained an assessment score of 47.25 with a maximum score of 64. The resulting product can increase the effectiveness of learning about vehicle instrument panels in vocational high schools with automotive engineering skills program.

Guidelines for Occupation, Career and Profession of Vocational School Graduates as a Means of Determining Students' Career Goals Aanggraini, Yussi; Sudira, Putu; Fajaryati, Nuryake; Utami, Pipit; Bayu Rinawan, Rangga; Irfan Luthfi, Muhammad
Jurnal Edukasi Elektro Vol. 9 No. 1 (2025): Jurnal Edukasi Elektro Volume 9, No. 1, May 2025
Publisher : DPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v9i1.83799

This study aims to develop a work, career, and profession guidebook for Vocational High School students that can be used by teachers as a guide in integrating career guidance into the learning process. The background of the development is based on the challenges faced by teachers in directing students according to their interests and talents, as well as the gap in information about skill needs in the world of work. This study is a research and development (R&D) using the Borg and Gall model and involves teachers and students from the Electronic Engineering expertise program at First State Vocational High School of Yogyakarta . The guidebook was developed through a series of design stages, expert validation, content evaluation, and limited field trials. The feasibility test showed that the guidebook was very feasible to use with a total score of 99.7 (very good category). In addition to teachers, students were also involved in assessing the implementation of the book through their perceptions of how teachers applied the contents of the guide in learning. The results of the trial showed that students gave high appreciation to the implementation of the guide, and teachers considered the guide easy to use and relevant to students' learning and career development needs. In addition to being based on the real needs of classroom learning, the development of this book also accommodates input from the Business World and Industry and alumni to strengthen the relevance of the contents of the guidelines to the demands of the job market. This guidebook is flexible and can be adapted for all expertise programs in vocational schools. This study concludes that the guidebook can be an effective and contextual learning tool in supporting students in determining career directions in a more structured and sustainable manner.

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