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All Journal Jurnal Hortikultura Indonesia Buletin Udayana Mengabdi beta (Biosistem dan Teknik Pertanian) Jurnal Ilmiah Teknologi Pertanian Agrotechno
I. A. G. Bintang Madrini
Program Studi Teknik Pertanian Dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Education

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Penghematan Air Irigasi Saat Olah Tanah dengan Tanaman Sela pada Subak I Wayan Tika; Ida Ayu Gede Bintang Madrini; Sumiyati Sumiyati; Ni Nyoman Sulastri
Jurnal Ilmiah Teknologi Pertanian Agrotechno Vol 5 No 2 (2020)
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITPA.2020.v05.i02.p07

Abstract

One of the significant programs in paddy rice cultivation is the management of irrigation water efficiently and effectively. Commonly, the planting schedule for the subak system in Bali is performed simultaneously, which leads to the highest peak of irrigation water demand. The high demand for water causes a high risk of water shortage, especially during soil tillage. One of the solutions to save irrigation water is to use the intercropping farming method. This method allows farmers to cultivate more than a single crop in a given field area (Monoculture). Based on recent field observation, approximately 10% of the rice paddy field was chili pepper field as a second crop for the intercropping farming method. The result shows by using the intercropping farming method; the water-saving was not significant, which is less than 7 %. It is important to note that the data was collected during the chili pepper growing season from July to August. Additionally, during that time, the soil tillage period was quite long, which was 50 days.
Keragaman Unsur Hara Nitrogen pada Lahan Sawah di Desa Maduran, Kecamatan Maduran, Kabupaten Lamongan Jawa Timur Wahyuni Mawadatin Niklah; Ida Ayu Gede Bintang Madrini; I Made Anom Sutrisna Wijaya
Jurnal Ilmiah Teknologi Pertanian Agrotechno Vol 4 No 1 (2019)
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITPA.2019.v04.i01.p03

Abstract

Informasi keragaman pada suatu daerah dapat dijelaskan dengan membagi daerah tertentu ke dalam zona homogen. Proses homogenitas dalam sistem informasi geografis dilakukan dengan menggunakan interpolasi. Interpolasi spasial adalah memperkirakan nilai sebuah variabel lapangan yang tidak termasuk dalam sampel penelitian dan berlokasi di dalam area yang dicakup oleh lokasi sampel. Tujuan dari penelitian ini untuk menggambarkan keragaman unsur hara nitrogen dengan sifat pendukung tanah seperti EC (Electrical Conductivity), pH (Derajat keasaman), kadar air, SOM (Soil Organic Matter) pada lahan sawah di Desa Maduran, Kecamatan Maduran, Kabupaten Lamongan, Jawa Timur dengan luas 142 ha. Penelitian ini menggunakan analisis spasial IDW atau jarak inverse tertimbang. Teknik IDW mengasumsikan setiap titik memiliki pengaruh lokal, yang berbanding terbalik dengan kekuatan yang dipilih dari kejauhan. Unsur hara nitrogen tersedia pada lahan menunjukkan keragaman yang memiliki range termasuk kategori rendah hingga sedang, nitrogen pada lahan memiliki rata-rata sedang sebesar 0,25 persen. Distribusi nitrogen pada lahan termasuk kategori significant cluster yaitu distribusi secara kelompok dan memiliki hubungan pada setiap lokasi. Rata-rata sifat pendukung tanah pH, EC, SOM, dan kadar air masing-masing sebesar (7,25; 0,852 mS/cm; 22,43% dan 10,70%). Keragaman unsur hara nitrogen yang rendah terdapat pada lahan yang memiliki kadar air rendah, SOM gambut rendah, EC sangat rendah dan pH netral. Sedangkan unsur hara nitrogen sedang terdapat pada lahan kadar air sedang, SOM gambut sedang, EC sangat rendah hingga rendah dan pH netral. Variability information in the area can be explained by dividing certain regions into homogeneous zones. The homogeneity process in geographic information system is carried out using interpolation. Spatial interpolation is estimating the value of a field variable that is not included in the study sample and is located within the area covered by the sample location. The aim of this research were to describe the variability of nitrogen content with soil supporting properties such as EC (Electrical Conductivity), pH (acidity level), MC (moisture content) and SOM (Soil organic matter) on paddy fields in Maduran Village, Maduran District, Lamongan Regency, East Java with an area of 142 hectares. This research used spatial IDW analysis or inverse distance weighted analysis. The IDW technique assumes each point has a local influence, which is inversely proportional to the power chosen from a distance. The nitrogen contents in paddy fields indicated by a variability had a range of low to medium categories, nitrogen content had a medium average of 0,25 percent. Nitrogen distribution included significant cluster catagories or distribution was grouped and has relationships at each location. The average supporting properties of soil were 0.852 mS/cm; 7.25; 22.43 percent; and 10.70 percent for EC, pH, MC, and SOM, respectively. Low nitrogen content variability was found in land that has low MC, low peat SOM, very low EC and neutral pH. Whereas nitrogen content were found in moderate MC, medium peat SOM, EC are very low to low and neutral pH
Peningkatan Efisiensi Penggunaan Air Irigasi dengan Aplikasi Jadual Tanam Secara “Nyorog” pada Subak I Wayan Tika; I. A. Bintang Madrini; Sumiyati .
Jurnal Ilmiah Teknologi Pertanian Agrotechno Vol 4 No 1 (2019)
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITPA.2019.v04.i01.p05

Abstract

Salah satu program penting dalam intensifikasi budidaya padi adalah pengelolaan air irigasi yang efisien. Pada subak di Bali pelaksanaan jadual tanam biasanya dilakukan secara serenpak sehingga terjadi puncak kebutuhan air yang tinggi. Akibatnya sangat berisiko terhadap kekurangan atau kelebihan air irigasai pada subak tersebut. Kondisi demikian menyebabkan efisiensi penggunaan air irigasi pada subak menjadi rendah. Salah satu solusi untuk meingkatkan efisiensi penggunaan air irigasi tersebut adalah dengan melakukan jadual tanam tidak serenpak yang pada subak dikenal dengan istilah nyorog. Dengan demikian perlu dikaji besarnya peningkatan efisiensi penggunaan air irigasi jika jadual tanam dilakukan secara nyorog Berdasarkan data yang telah dikompilasi diperoleh efisiensi penggunaan air irigasi yang dilakukan saat ini sebesar 76,52%. Saat ini pada obyek penelitian jadual tanam dibagi menjadi dua kelompok dengan beda jadual tanam antar kelompok tersebut sekitar satu bulan, dengan awal jadual tanam mulai Pebruari I. Jika dilakukan jadual tanam secara serempak pada Pebruari II diperoleh efisiensi penggunaan air irigasi sebesar 69,05%. Jika jadual tanam dilakukan secara nyorog dengan membagi subak menjadi empat kelompok dan setiap kelompok perbedaan jadual tanam sekitar setengah bulan serta awal jadual tanam pada Bulan Pebruari I maka diperoleh efisiensi penggunaan air irigasinya 86,52%. Dengan demikian jadual tanam secara nyorog dapat meningkatkan efisiensi penggunaan air irigasi dari 69,05% menjadi 86,52%. One important program in the intensification of rice cultivation is efficient irrigation water management. In subak in Bali the planting schedule is usually carried out simultaneously so that there is a high peak of water demand. As a result, it is very risky for irrigation water shortages or excess in the subak. Such conditions cause the efficiency of the use of irrigation water in subak to be low. One solution to improve the efficiency of the use of irrigation water is by not planting simultaneously which are known as nyorog in subak. Thus, it is necessary to assess the magnitude of the increase in the efficiency of the use of irrigation water if the planting schedule is carried out in a systematic manner. Based on the data that has been compiled in Subak Guama the efficiency of the use of irrigation water is 76.52%. At present the object of the planting schedule is divided into two groups with different planting schedules between groups of about one month, with the start of the planting schedule starting in February I. If the planting schedule is simultaneously held in February II, the efficiency of irrigation water use is 69.05%. If the planting schedule is carried out systematically by dividing subak into four groups and each group different planting schedules of about half a month and the beginning of the planting schedule in February I, it is obtained that the water use efficiency of irrigation is 86.52%. Thus the planting schedule nyorog can increase the efficiency of irrigation water use through 69.05% to 86.52%.
Rancang Bangun Tempat Sampah Terintegrasi dengan Dinding Transparan dalam Upaya Pemilahan Sampah Made Ari Witarsa; Ida Ayu Gede Bintang Madrini; I Putu Gede Budisanjaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 1 (2023): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2023.v11.i01.p15

Abstract

Abstrak Pemilahan sampah sangat penting dilakukan karena dapat meningkatkan kesehatan lingkungan, masyarakat dan melindungi sumber daya alam. Tujuan penelitian ini untuk merancang tempat sampah yang terintegrasi serta transparan dalam usaha pemilahan sampah dan menguji kelayakan dan keefektifan rancang bangun. Penelitian ini menggunakan metode kualitatif dengan menggunakan kuesioner dan metode kuantitatif menggunakan perhitungan pada desain serta analisis kekuatan rangka. Warna tempat sampah ini menggunakan warna hitam serta transparan pada bagian depan dan samping. Konstruksi rangka dinyatakan aman karena dapat menopang beban sampah seberat 75 kg dengan tegangan (?) tarik rangka 57,119 N/ yang lebih kecil dari tegangan (?) ijin bahan yaitu 88,630 N/ . Dimensi tempat sampah terintegrasi serta transparan yaitu 120x40x138 cm, dengan tiga unit transparan berbahan akrilik yaitu unit organik, anorganik dan botol kaca serta kaleng (terintegrasi). Bagian tambahan yaitu bagian penutup tiga unit transparan, atap, roda dan bagian penyimpanan plastik sampah. Tempat sampah ini dinyatakan layak karena hasil pengujian menggunakan kuesioner masyarakat menyatakan setuju dengan perolehan skor yaitu 74% - 91%. Hasil pengujian keefektifan rancang bangun tempat sampah terintegrasi serta transparan yaitu efetif karena sebagian besar masyarakat dikategorikan cepat dan sesuai dalam melakukan pemilahan sampah. Abstract Waste segregation is important for improving the environment's health, and society also protects natural resources. The purpose of this study is to design an integrated and transparent trash bin to sort waste and test the feasibility and effectiveness of the design. The design of the trash bin is based on functional and structural design. Questionnaire data were obtained from testing the feasibility and effectiveness design. The black color is used in this trash bin because it is identic to hummus. The frame construction is declared safe because it can support a garbage load of 75 kg per unit with frame tensile stress (?) of 57.119 N/mm2, smaller than the allowable stress (?) of the 88.630 N/mm2. The integrated and transparent trash dimensions were 120x40x138 cm, with three acrylic units, namely organic, inorganic, and glass bottles and cans. Additional parts are the cover of the three transparent units, the roof, the wheels, and the plastic waste storage section. This trash bin was declared feasible because the test results stated that they agreed with the design results score of 74% - 91%. The results of testing the effectiveness of the integrated and transparent design of the trash bin, that is, most of the respondents were categorized as fast and appropriate in sorting waste.
Modifikasi Keranjang Biokomposter Sederhana untuk Sampah Organik Rumah Tangga I Komang Gede Habi Wijaya; Ida Ayu Gede Bintang Madrini; Ida Bagus Putu Gunadnya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 1 (2023): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2023.v11.i01.p14

Abstract

Abstrak Modifikasi keranjang biokomposter sederhana dilakukan karena masih terdapat kekurangan yaitu tiang penyangga tidak kuat menopang jaring, jaring yang digunakan tidak kokoh, lubang jaring terlalu besar dan tidak adanya alas dudukan. Tujuan dari penelitian ini untuk memodifikasi keranjang biokomposter hasil rancangan sebelumnya, menguji kinerja keranjang biokomposter sederhana skala rumah tangga. Penelitian dilakukan dalam dua tahap yaitu tahap memodifikasi bagian rangka dengan penambahan tiang penyangga, alas dudukan pada bagian bawah, selanjutnya mengganti jaring. Tahap kedua yaitu uji kinerja dengan pengomposan yang dilakukan selama 60 hari. Sampah organik rumah tangga dan sekam padi sebagai bahan baku dengan perlakuan: A1 (1:0), A2 (1:1), A3 (1:2). Kontruksi rangka dinyatakan aman karena dapat menopang beban kompos seberat 32 kg dengan tegangan (?) tarik rangka yaitu 0,275 N/mm2 yang lebih kecil dari tegangan (?) ijin bahan yaitu 48,1 N/mm2. Hasil modifikasi yaitu, memperkokoh rangka dengan menambah tiang penyangga sebanyak 4 buah, mengganti jaring dengan ukuran 0,5 mm, menambah alas dudukan berukuran 10 cm dari permukaan tanah. Berdasarkan hasil kinerja keranjang biokomposter hasil modifikasi menunjukkan bahwa ke 6 keranjang memiliki kinerja yang sama, untuk komposisi kompos yang paling baik dihasilkan pada perbandingan A1 (sampah rumah tangga tanpa campuran), karena bahan baku sampah rumah tangga sudah memenuhi syarat C/N rasio dari awal hingga akhir pengomposan. Abstract Modification of a simple biocomposter basket was carried out because there were still shortcomings i.e. the support poles were not strong enough to support the net, the net used was not sturdy, the net hole was too large and there was no seat base. The purpose of this study was to modify the previously designed biocomposter basket, to test the performance of a simple household-scale biocomposter basket. The research was carried out in two stages, namely the stage of modifying the frame with the addition of support poles, the base of the seat at the bottom, then replacing the net. The second stage is a performance test with composting carried out for 60 days. Household organic waste and rice hull as raw materials were treated with: A1 (1: 0), A2 (1: 1), and 3 (1: 2). The frame construction is declared safe because it can support a compost load of 32 kg with tensile stress (?) of the frame, which is 0.275 N/mm2 which is smaller than the allowable stress (?) of the material, which is 48.1 N/mm2. The result of the modification is to strengthen the frame by adding 4 support poles, replacing the net with a size of 0.5 mm, and adding a seat base measuring 10 cm from the ground. Based on the results of the performance of the modified biocomposter basket, it shows that the 6 baskets have the same performance, for the best compost composition is produced at a ratio of A1 (household waste without mixture) because the raw materials for household waste have met the requirements of the C/N ratio from the beginning to the end of composting.
Pembuatan Pupuk Organik Cair (POC) Berbahan Sampah Buah-Buahan dan Sayuran pada Rasio Bahan dan Headspace yang Berbeda I Putu Yogi Krisnadi Rahardi; Ida Ayu Gede Bintang Madrini; I Made Anom Sutrisna Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): IN PRESS
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Abstract

Abstrak Pengomposan pupuk organik cair (POC) perbedaan volume bahan dengan headspace bisa dipakai sebagai indeks untuk mengetahui efektivitas pengomposan. Penelitian ini bertujuan untuk mengetahui pengaruh rasio bahan dan headspace terhadap laju pengomposan dan kualitas POC yang dihasilkan serta untuk menentukan rasio bahan dan headspace yang menghasilkan kualitas POC terbaik sesuai dengan persyaratan teknis minimal POC dari Menteri Pertanian Republik Indonesia berdasarkan Surat Keputusan No.261/KPTS/SR.310/M/4/2019. Pengomposan menggunakan sistem anaerobik dan bahan yang digunakan berupa sampah buah-buahan dan sayuran. Pada penelitian ini memakai metode Rancangan Acak Lengkap satu faktor. Adapun faktor yang digunakan berupa rasio bahan dan headspace yaitu 1:5, 2:4, 3:3, 4:2, dan 5:1. Kelima perlakuan dilakukan 3 kali pengulangan sehingga didapat 15 unit percobaan. Parameter penelitian meliputi kadar awal bahan, total mikroba bioaktivator, suhu bahan dan POC, pH bahan dan POC, penyusutan ketinggian bahan, kadar nitrogen (N-total), fosfor (P), kalium (K), C-organik, C/N rasio, bahan organik (OM), electrical conductivity (EC), dan total bakteri POC. Data yang didapat dari hasil pengamatan dianalisis dengan uji ANOVA dan dilanjutkan dengan uji Duncan. Secara umum kualitas POC yang dihasilkan sesuai syarat teknis minimal dengan suhu POC 29,3°C-29,8°C, pH POC 5,3-6,3, kadar nitrogen 2,01%-2,15%, fosfor 2,02%-2,09%, kalium 2,03%-2,08%, C-organik 2,39%-3,69%, dan total bakteri POC 5,31×107-3,12×109cfu/ml. Rasio bahan dan headspace berpengaruh terhadap laju pengomposan dan kualitas POC yang dihasilkan. Perlakuan P2 (2:4) merupakan perlakuan terbaik berdasarkan hasil analisis data dan hasil dari parameter yang digunakan. Abstract Composting liquid organic fertilizer, composting efficiency may be gauged using the variation in material volume with headspace. The purpose of this study is to ascertain how the ratio of materials to headspace affects the rate of composting and the quality of the POC that results, as well as to identify the ratio of materials to headspace that yields the best POC quality in accordance with the minimal technical POC requirements based here on Decision of the Minister of Agriculture of the Republic of Indonesia No. 261/KPTS/SR.310/M/4/2019. Composting uses an anaerobic system and the materials used are fruit and vegetable waste. The method used is a one-factor Completely Randomized Design.The factor used is the ratio of material and headspace, namely 1:5, 2:4, 3:3, 4:2, and 5:1. The five treatment were repeated 3 times to obtain 15 experimental units. The research parameters include the initial content of the material, total microbial bioactivator, temperature, pH, material height shrinkage, nitrogen, phosphorus, potassium, and C-organic content, C/N ratio, organic matter, EC, and total POC bacteria. Data obtained from observations were analyzed by ANOVA test and continued with Duncan's test. In general, the quality of the POC produced complies with the minimum technical requirements with POC temperature 29,3°C-29,8°C, POC pH 5,3-6,3, nitrogen content 2,01%-2,15%, phosphorus 2,02%-2,09%, potassium 2,03%-2,08%, C-organic 2,39%-3,69%, and total POC bacteria 5,31×107-3,12×109cfu/ml. The ratio of materials and headspace affect the rate of composting and the quality of the resulting POC. Treatment P2 (2:4) is the best treatment based on results of data analysis and parameters used.
Laju Pengomposan Sampah Organik Rumah Tangga pada Berbagai Konsentrasi Mol Air Cucian Beras Kadek Agus Krisna Bayu; Ida Ayu Gede Bintang Madrini; I Made Anom Sutrisna Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): IN PRESS
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

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Abstract

Abstrak Pengomposan adalah salah satu solusi dalam mengolah sampah organik rumah tangga. Tujuan penelitian ini adalah untuk mengetahui laju pengomposan sampah organik rumah tangga pada berbagai konsentrasi MOL air cucian beras dan untuk mendapatkan konsentrasi MOL air cucian beras yang menghasilkan kompos sampah organik rumah tangga terbaik sesuai dengan persyaratan teknis minimal kompos padat berdasarkan Keputusan Menteri Pertanian Republik Indonesia No.261/KPTS/SR.310/M/4/2019. Perlakuan dengan menggunakan 30 kg sampah organik rumah tangga untuk satu perlakuan dan masing-masing mengandung konsentrasi MOL air cucian beras 0 ml (kontrol), 30 ml, 60 ml, 90 ml, 120 ml, dan 150 ml. Ke-enam perlakuan tersebut dilakukan 2 kali pengulangan sehingga didapatkan 12 unit percobaan. Parameter pengamatan meliputi kadar awal bahan, Total Plate Count (TPC), suhu, pH, kadar air, electrical conductivity (EC), karbon, nitrogen, C/N rasio, bahan organik (OM). Data yang diperoleh dianalisis dengan Metode Analisis Statistik Deskriptif. Hasil penelitian pengomposan selama 1 bulan menunjukkan seluruh perlakuan memiliki laju pengomposan yang berbeda-beda. Kompos yang dihasilkan memiliki nilai pH 6,8-7,2, kadar air sebesar 25,97%-33,42%, C-organik 30,13%-34,14%, N-total 1,26%-2,21%, C/N rasio 13,63%-26,37%, dan OM 51,95%-58,86%. Perlakuan penambahan 120 ml MOL air cucian beras pada 30 kg sampah organik rumah tangga adalah perlakuan terbaik karena mencapai suhu lingkungan pada hari ke-25, serta mencapai pH netral pada hari ke-21 dan telah memenuhi syarat kompos padat berdasarkan Keputusan Menteri Pertanian Republik Indonesia No.261/KPTS/SR.310/M/4/ 2019. Abstract Composting is one of solutions in household organic waste processing. The purpose of the research was to determine the rate of household organic waste composting at different concentrations of rice water MOL and to obtain the concentration of rice water MOL that produce the best household organic waste compost that accordance with minimum technical requirements of solid compost based on Decree of the Minister of Agriculture of Republic Indonesia No.261/KPTS/SR.310/M/4/2019. The treatment used 30 kg of household organic waste for one treatment and each concentrations of rice water MOL was 0 ml (control), 30 ml, 60 ml, 90 ml, 120 ml, 150 ml. The six treatments were repeated 2 times so that obtain 12 experimental units. Observation parameters include initial material content, Total Plate Count (TPC), temperature, pH, water content, electrical conductivity, carbon, nitrogen, C/N ratio, organic matter (OM). The data obtained were analyzed using Descriptive Statistical Analysis Method. Result of the composting study for 1 month showed that all the treatments had different rates of composting. The result of compost has pH value 6,8-7,2, water content 25,97%-33,42%, C-organik 30,13%-34,14%, N-total 1,26%-2,21%, C/N ratio 13,63%-26,37%, and OM 51,95%-58,86%. The treatment of adding 120 ml rice water MOL to 30 kg of household organic waste is the best treatment because it can reached ambient temperature on the 25th day and reached neutral pH on the 21st day and has met requirements of solid compost based on the Decree of the Minister of Agriculture of the Republic Indonesia No.261/KPTS/SR.310/M/4/2019.
Efisiensi Kinerja Traktor Singkal dan Traktor Rotari pada Pengolahan Tanah di Subak I Wayan Tika; Sumiyati Sumiyati; Ni Nyoman Sulastri; Ida Ayu Gede Bintang Madrini; Mentari Kinasih
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 1 (2023): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2023.v11.i01.p02

Abstract

Abstrak Sebelum petani Subak mengenal traktor, pengolahan tanah dilakukan dengan menggunakan cangkul atau bajak singkal yang ditarik oleh ternak. Pengolahan tanah dengan traktor yang dilengkapi dengan komplemen bajak singkal atau bajak rotari tidak dapat dihindari terjadinya kasus tumpang tindih (overlap) hasil pengolahan, sehingga hasil tanah olahan menjadi tidak efisien. Tumpang tindihnya hasil pengolahan tersebut terlihat dari perbedaan hasil tanah yang diolah. Berdasarkan kondisi tersebut diperlukan kajian efisiensi pengolahan tanah pada Subak dengan menggunakan traktor singkal dan traktor rotari pada pengolahan tanah tahap pertama. Efisiensi kerja traktor diukur berdasarkan perbandingan antara kerja teoritis dan kerja riil. Kerja teoritis diukur berdasarkan lebar komplemen alat olah baik bajak singkal maupun rotary serta rata-rata kecepatan gerak maju traktor saat mengolah tanah. Kerja riil diukur berdasarkan hasil kerja secara nyata di lapangan yaitu luasan lahan yang berhasil diolah dalam rentang waktu tertentu. Data kerja riil juga dikonfirmasi berdasarkan hasil diskusi dengan beberapa operator traktor. Dari hasil analisis data diperoleh efisiensi kerja traktor singkal sebesar 77,3% dan traktor rotari 55,2%. Abstract Before Subak farmers were familiar with tractors, land preparation was carried out using hoes or single-handed plows pulled by cattle. Land preparation with a tractor equipped with a complementary or rotary plow cannot be avoided in cases of overlap of processing results so that the processed soil results become inefficient. The overlapping results of the processing can be seen from the differences in the results of the processed soil. Based on these conditions, it is necessary to study the efficiency of tillage in Subak using single-axle tractors and rotary tractors in the first stage of tillage. Tractor work efficiency is measured based on a comparison between theoretical work and real work. Theoretical work is measured based on the width of the complement of the tiller, both short and rotary plows, and the average speed of the tractor's advance when cultivating the land. Real work is measured based on real work results in the field, namely the area of ??land that has been successfully processed within a certain time span. Real work data was also confirmed based on the results of discussions with several tractor operators. From the results of the data analysis, it was obtained that the work efficiency of the short tractor was 77.3% and that of the rotary tractor was 55.2%.
Co-Authors Angga Hendrayana S Florianus Walbat I Gede Ari Winaya I Gusti Ketut Arya Arthawan I Gusti Ngurah Apriadi Aviantara I Kadek Aditya Pranata I Ketut Trisna Adi Putra I Komang Gede Habi Wijaya I M. A.S. Wijaya I M. Nada I Made Anom Sutrisna Wijaya I Made Merta Wiryawan I MADE SUPARTHA UTAMA I Putu Gede Budisanjaya I Putu Surya Wirawan I Putu Yogi Krisnadi Rahardi I Wayan Edy Wirawan I Wayan Krispedana I Wayan Tika Ida Bagus Putu Gunadnya Indri Novia Santi Indri Novia Santi Irfan Fadel Kadek Agus Krisna Bayu Kadek Ardhi Krisnawan Made Ari Witarsa Mentari Kinasih Mohammad Zakariya Pradana Ni Ketut Rai Wulandari Ni Made Dea Kanikayani Ni Nyoman Puspawati Ni Nyoman Sulastri Ni Nyoman Sulastri Ni Putu Amelia Panida Dewi Rina Pratiwi Pudja I. A Sumiyati Sumiyati Sumiyati Sumiyati Wahyu Guna Arta Wahyuni Mawadatin Niklah Yohanes Setiyo Yuda Arnanda