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All Journal Jurnal BETA (Biosistem dan Teknik Pertanian) Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Ilmiah Teknologi Pertanian Agrotechno
I Wayan Tika
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 Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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Intensitas Serangan Hama Tikus Tanaman Padi Menggunakan Metode Pengamatan Keliling Berhubungan Linier dengan Luas Serangan Hasil Analisi Foto Udara I Ketut Satria Rahadi; I Made Anom S Wijaya; I Wayan Tika
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 2 (2019): September
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.2019.v07.i18

Abstract

Rat pests are pests that can cause crop failure in rice plant. The method used to calculate the number of rodent pest attacks is the method of sampling and obtaining aerial photographs. But from these two methods the level of attack produced is not known to correlate. So this study purpose to obtain a relationship between intensity of attack with area of attack rat pest of rice plants. The stages of this study were location surveys that were attacked by rat pests, preparation of tools, aerial photography, and sampling for the calculation of attack intensity, image processing, area attack, regression analysis and validation. The intensity of attacks is calculated using total calculations, while broad attacks are calculated using the aerial image processing method developed by Widodo. Regression analysis shows the relationship between the intensity of attack with the area of attack has a determination coefficient of 0.889 and the regression coefficient obtained y = 1.138x with an error factor of 8.947%. The intensity of rat pest attacks using linear related sampling methods with broad attack results from aerial photo analysis developed by Widodo
Efisiensi Kinerja Traktor dengan Bajak Rotari untuk Pengolahan Tanah Tahap Pertama pada Subak Di Kabupaten Tabanan Fiqri Muhamad Hakim; I Wayan Tika; Pande Ketut Diah Kencana
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): September
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.i02.p14

Abstract

Performance efficiency is the ratio between actual working capacity and theoretical working capacity expressed in percent (%). The purpose of this study was to determine the efficiency of the performance of a rotary tractor for the first stage of tillage in subak in Tabanan Regency and become reference data for further research. The research method uses descriptive quantitative methods where data collection is carried out through surveys, interviews and direct measurements in the field which are presented descriptively. The specification of the rotary tractor used is a rotary tractor with a power of 10.5 hp and some limitations are applied such as the condition of the tractor is considered similar, the operator's ability is considered similar, the slope of the land is considered uniform, sufficient water for tillage and only the first stage of tillage. The parameters tested in this study were actual working capacity, theoretical working capacity, and efficiency of rotary tractor performance. The results showed the actual working capacity of 0.089 ha/hour, theoretical working capacity of 0.155 ha/hour, and performance efficiency of 57.091%
Efisiensi Penggunaan Air Irigasi pada Saluran Sekunder di Daerah Irigasi Tungkub Mentari Kinasih; Ni Nyoman Sulastri; I Wayan Tika; Sumiyati Sumiyati; Ida Ayu Gede Bintang Madrini; Made Darmayasa
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): September
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.i02.p23

Abstract

Good distribution of irrigation water will produce abundant harvests. It will improve the welfare of farmers. The efficiency of water utilization is important in irrigation schemes because it determines the performance of the irrigation network. This research aims to obtain the efficiency of irrigation water in DI Tungkub in secondary channels. This research took direct debit data at 11 points in the secondary channel. Climate data was obtained from NASA POWER and BMKG Region III Denpasar. Rainfall data was obtained from 3 rain stations (Tibubeneng, Kapal, and Mengwi Gede). The area of rice fields observed was 416 Ha (Upstream), 349 Ha (Central), and 164 Ha (Downstream). The research results show that Zone A has the highest usage efficiency level of 68% which occurred in May I and the lowest 14.1% in March I. Zone B has the highest usage efficiency of 100% (occurring in the periods April I, April II, June II, and July I), and the lowest was 0% in the May I and May II periods. Zone C had the highest usage efficiency of 100% which occurred in June I and June II, while the lowest usage efficiency occurred in March I at 35%..
Analisis Kinerja Distribusi Air Irigasi pada Temuku di Subak I Wayan Tika; Mentari Kinasih; Ni Nyoman Sulastri; Sumiyati Sumiyati; Ida Ayu Gede Bintang Madrini
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): September
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.i02.p27

Abstract

Disturbances in water distribution are also sometimes caused by the presence of rubbish and biasing factors (decreased discharge) also ignoring the flow of numbak (straight flow) and ngerirun (curved flow). With this understanding, farmers (krama subak) whose land is located downstream tend to get less water quota than they should. This research aims to determine the performance of irrigation water distribution management according to RPM values and criteria in traditional subak and semi-technical Subak. This research uses a descriptive quantitative method that explains events based on the RPM values of 30 buildings for (temuku) in Subak in Gianyar Regency. The research results showed that 30% had very poor irrigation water distribution performance, 30% had poor performance criteria, 13% had sufficient performance criteria, and 27% had good performance criteria. From these results, it is also possible to obtain a new dimension of the subak building using a proportional formula approach involving variables of the area of the subak provided with irrigation water, the area of the subak downstream, as well as a water flow disturbance coefficient of around 1.05 to 1.1.
Analisis Rasio Prestasi Manajemen (RPM) pada Distribusi Air Irigasi Subak Gede Kedewatan I Made Bayu Suweta; I Wayan Tika; I Gusti Ngurah Apriadi Aviantara
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): September
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.i02.p29

Abstract

The Management Performance Ratio (MPR) is a comparison between the water flowrate given and the water flowrate requirement for each agricultural land. The subak system in Bali is based on socio technical-religious and economic concepts. This study aims to calculate the MPR value and its distribution as well as find out the irrigation water distribution strategy so that irrigation performance becomes "adequate" to "good" in Subak Gede Kedewatan, Gianyar Regency. This research was carried out using a quantitative analysis approach through surveys and direct measurements in the field. The result showed that percentage distribution of MPR criteria for "good" was 5 subaks (18.52%), "adequate" 4 subaks (14.81%), "poor" 9 subaks (33.33%), and "very poor" 9 subaks (33 ,33%). The MPR value of subak in the upstream area is entirely in the "very poor" criterion with an MPR value of 1.85. Followed by subak in the central region, all of them are in the "low" criterion with an MPR value of 1.45. In contrast to the downstream, the subaks in this area have the criteria of "adequate" and "good" with a distribution of RPM values of 0.64 - 1.05. Subaks that get excess water, then the rest of the irrigation water is channeled to the pangkung, which will be the main water source for subak natak tiyis (tapping taps).
Tingkat Erodibilitas Tanah pada Budidaya Tanaman Tomat (Lycopersicon esculentum Mill.) dengan Berbagai Jenis Mulsa Plastik dan Jeram I Muna Bhaskara; I Wayan Tika; I Made Anom S Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 1 (2020): 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.2020.v08.i01.p14

Abstract

A Erodibility of the soil is the sensitivity of the soil to erosion, the higher erodibility value of the soil the easier the soil erodes. One way to reduce the rate of erosion is by covering the soil with mulch. The purpose of this study were (1) to determi ne the level of soil erodibility in various types of plastic mulch and straw planted with tomato plants, and (2) to determine the type of mulch that gives the lowest level of soil erodibility planted with tomato plants. The design in this study used a Completely Randomized Design with treatment consisting of tomato plants planted without mulch, tomato plants planted using black plastic mulch, tomato plants planted using silver plastic mulch, tomato plants planted using transparent and tomato plants planted using straw. The results showed that treatment without mulch and treatment with straw had a higher erodibility value than the beginning of the cultivation. While treatment using black plastic and using silver plastic had a lower erodibility value than the initial cultivation. In treatment with transparent mulch there was no change in the value of erodibility. Each treatment had different values but had the same level of category, which was very high. The type of mulch who had the lowest value was the treatment silver plastic mulch with an erodibilitas value of 0,58 at the beginning of cultivation and 0,55 at threemonths of planting age
Co-Authors Ade Purba Yuda Ade Purbayuda Manik Adevia Candra Debora Lydia Frida Tangkuman Dian Dwi Cahyo Pangestu Dian Dwi Cahyo Pangestu Fiqri Muhamad Hakim Firnando Desnanta Tarigan Florianus Walbat Gusti Bagus Alit Budi Artawan Gusti Bagus Alit Budi Artawan I Gede Berliyantha Tikawa I Gede Nantan Juliawan I Gede Ngurah Salpatira Widayana I Gede Ngurah Salpatira Widayana I Gusti Ketut Arya Arthawan I Gusti Ngurah Apriadi Aviantara I Gusti Ngurah Apriadi Aviantara I Kadek Aditya Pranata I Kadek Andrie Prasetya I Kadek Arya Santika I Kadek Arya Santika I Kadek Dwi Adi Saputra I Kadek Murjana I Ketut Merta Atmaja I Ketut Satria Rahadi I Ketut Satria Rahadi I Ketut Suada I Made Andi Purnama Wijaya I Made Andi Purnama Wijaya I Made Anom S Wijaya I Made Anom S. Wijaya I Made Anom Sutrisna Wijaya I Made Bayu Suweta I Made Galih Suwimantara I Made Hendra Udayana AS I Made Marta Supriawan I Made Purnadiyasa I Made Supartha Utama I MADE SUPARTHA UTAMA I Made Surya Adnyana Putra I Made Surya Adnyana Putra I Made Wirawan Suputra I Muna Bhaskara I Muna Bhaskara I Nyoman Sucipta I Nyoman Sucipta I Putu Agus Arnadi I Putu Agus Arnadi I Putu Agus Sumi Antara I Putu Agus Sumi Antara I Putu Gede Budisanjaya I Putu Gede Budisanjaya I Putu Hendra I Putu Sanjaya I Putu Sukertayasa I Putu Sukertayasa I Wayan Adiguna I Wayan Aditya Putra Pratama I. A. G. Bintang Madrini I.B. Putu Gunadnya Ida Ayu Rina Pratiwi Pudja Ida Bagus Putu Gunadnya Ida Bagus Putu Gunadnya Imanuel Raymond Dikmar Koyoh Jessica Heidy Tiku Semaraputri Jun Marito Siahaan Kadek Ardhi Krisnawan Kadek Arista Pradika Komang Adi Dipayana Kori Ardy Rahayu Made Darmayasa Made Darmayasa Maftukhah, Rizki Mentari Kinasih Mentari Kinasih Mentari Kinasih Muhamad Khoiru Zaki Ngadisih Ni Kadek Sumiasih Ni Luh Yulianti Ni Made Ayu Adi Suartiani Ni Made Dwi Tunjung Febriyanti Ni Nyoman Sulastri Ni Nyoman Sulastri Ni Putu Amelia Panida Dewi Nyoman Sucipta Oktoberlin Sahat Marulitua Silalahi Pande Ketut Diah Kencana Sonia Saqinah Stephanie Ulyta Bena Sagala Sumiyanti Madrini Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Sumiyati Teresia Dimu Vivi Alviyanti Yohanes Setiyo Yuda Arnanda Yudha Kristyanto Leksono