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All Journal Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Asih Priyati
Program Studi Teknik Pertanian Fakultas Teknologi Pangan & Agroindustri Universitas Mataram
Agriculture, Biological Sciences & Forestry

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Analisa Kinerja Pengelolaan Irigasi Di Daerah Irigasi Lemor, Kabupaten Lombok Timur, Nusa Tenggara Barat: Performance Analysis On Irrigation Management At Lemor Irrigation Area, East Lombok, West Nusa Tenggara Jannata Jannata; Sirajuddin Haji Abdullah; Asih Priyati
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 3 No 1 (2015): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

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Abstract

The purpose of this study were to analyze technical aspect on irrigation asset inventory, sufficient levels of irrigation water, farmers’ satisfaction level on manager irrigation performance and the irrigation management. This research was conducted directly in the field by collecting data that further analyzed using qualitative data tables (descriptive) by simple statistical analysis. The analysis results showed that: (1) Based on technical aspect, the irrigation asset inventory at Lemor area was categorized at ‘properly well condition’ as the damage only had been found in the form of seepage; (2) The available irrigation water was not sufficient to supply the rice field on Lemor area, showed by average water discharge per two-weeks in 2012, 2013, and 2014 respectively were 72-105.575 litre/second, 72-99.485 litre/second, 72-105.115 litre/second whereas required water for irrigation were 156.09-344.097 liter/second, 133-344.097 liter/second, 110.418-338.025 litre/second respectively; (3) Total difference on correction factor in 2012 showed 0.003-0.568, which means rotation was necessary despite the sixth of two-weeks, MT II and the seventh and eight of two-weeks showed value of correlation factor higher than 0.75. As well as in 2013 and 2014, from soil preparation until growth phase of the sixth of two-weeks, the correlation factor were less than 0.75, yet at growth phase the seventh and eight of two weeks the correlation factor were above 0.75; (4) Simultaneous planting and monoculture planting were not able to meet the required irrigation water; (5) Farmers satisfaction level on the irrigation network management by service indicator, water demand condition, maintenance of irrigation channels, and the discharge channel (drainage) were 97.25, 96.25, 92.60, and 70.25 respectively. The average result showed that the irrigation management was effective; (6) The effectiveness of irrigation management in Lemor area was due to high participation of farmers either in financial process or in channel maintenance phase.Keywords: Irrigation, Asset Inventory, Irrigation Management
Analisis Peluang Curah Hujan Untuk Penetapan Pola Dan Waktu Tanam Serta Pemilihan Jenis Komoditi Yang Sesuai Di Desa Masbagik Kecamatan Masbagik Kabupaten Lombok Timur: Analysis on Rainfall Probability for Determine Pattern and PlantingPeriodand Selection of Appropriate Commodity at Masbagik Village in Masbagik District East Lombok Iga Dainty; Sirajuddin H. Abdullah; Asih Priyati
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 4 No 1 (2016): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

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Climatic factor, such as rainfall, greatly contributes to the availability of water for crops. Farmers set a schedule and cropping patterns based on habits, such as the period of rainy month. This method is lack precision on determining crops pattern and often increasing the risk of crop failure. This study aims to determine rainfall probability in Masbagik village on growing season of 2015-2016. Research method was descriptive analytical method. Results of this research revealed that the general rainfall pattern of the study area was still following general pattern of the previous year. Rain probability that approached natural precipitation at the field of study was 50%, with the highest limits at December by 304.5 mm and the lowest at October by 37 mm, while general rainfall probability was normal. Rainy season was predicted to start at mid-November and end at early June, while dry season occurs from early May and end in early November. Recommended scenario of the first growing season for the crop is starting at mid-November until the end of February and the second growing season start at mid-March until June 2015. Moreover, planting time for growing rice can be carried out at mid-October, while from early March growing crops is more suitable.
Aplikasi Mikrokontroler Arduino Pada Sistem Irigasi Tetes Untuk Tanaman Sawi (Brassica Juncea) (Application of Arduino Microcontroller on Drip Irrigation for Mustard Plant (Brassica juncea): Application of Arduino Microcontroller on Drip Irrigation System for Mustard Plant (Brassica juncea) M. Salman Ibnu Chaer; Sirajuddin H. Abdullah; Asih Priyati
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 4 No 2 (2016): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

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Abstract

Arduino Uno microcontroller (ATmega328) is an automatic control device which function to control, capture and store data that can be used to design electronic circuits to control on/off irrigation. In order to determine its performance, application of on/off irrigation control circuit in agriculture field need to be conducted. Mustard plant were selected for this experiment due to its sensitivity on irrigation. Purpose of this study was to applied control system based drip irrigation using Arduino microcontroller on mustard plant cultivation to compare growth and productivity of mustard plant using automatic irrigation based microcontroller and using manual irrigation, which adjusted to plants water requirement. Method used in this research was experimental method by trial on the field. Observed parameter consist of changes in moisture content, performance of on/off irrigation control system, quantity of irrigation water, plant height, number of leaves, length and width of the leaves, plants weight and crop productivity. Setting point for lower limit soil moisture content was 25.47% and the upper limit was 28.73%. During the experiment, three times watering were conducted, i.e. at 11, 16 and 20 days after planting, with total quantity of water 5,200 ml. Height of mustard plants using automatic irrigation was 21.26 cm and using manual irrigation was 22.6 cm; number of mustard plant leaf using automatic irrigation was 13 leaves and using manual irrigation was 13.4 leaves; length and width of mustard plant leaf using automatic irrigation was 17.07 cm and 8.05 cm, while using manual irrigation was 20.75 cm and 9.73 cm; mustard plant productivity using automatic irrigation was 13.54 ton/ha and using manual irrigation was 17.41 ton/ ha.
Analisis Teknis dan Kajian Ergonomika berdasarkan Antropometri pada Penggunaan Traktor Tangan untuk Lahan Sawah (Anthropometry based Technical Analysis and Ergonomic Studies on Utilization of Hand Tractor for Farm Field: Anthropometry based Technical Analysis and Ergonomic Studies on Utilization of Hand Tractor for Farm Field Endang Sulnawati; Sirajuddin H. Abdullah; Asih Priyati
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 4 No 2 (2016): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

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Abstract

Purpose of this research was to analyzed technical utilization of hand tractors for farm field, analyze suitability of body dimension anthropometry data with dimension of hand tractors Yanmar Bromo Model V2 TF 85 MLY, and determine working load level by measuring operator’s pulse rate when using tractors for land preparation. This research conducted at Terara village, Terara district in East Lombok using field experimental method. Examined parameters, regard to technical test, were theoretical field capacity, effectivity and efficiency. Additional examined parameters based on ergonomic were anthropometry analysis and measurement of operator’s pulse rate. Results showed that the theoretical field capacity was 0.065 ha/hour and the effective field capacity was 0.025 ha/hour. Land processing efficiency was 38.38%; time lost during processing greatly affect the efficiency, where some of them caused by overlapping, slip, time for turning, and congestion (which share the greatest percentage of 30.35%). Results from anthropometry data measurement showed that the ergonomic dimensions for the tool are < 68.57 cm of gear level position from end of the handle, <95.27 cm of handle height position, <39.05 cm distance between grip, >8.82 cm handle length, and <9 cm distance of left and right turn lever. Tool’s dimension that already ergonomic, based on the results of anthropometry data measurement was position of gear lever from end of the handle with value of 68.57 cm and handle length with value of 8.82 cm. Operator’s working load level when using Yanmar Model TF 85 MLY Bromo V2 Tractor could be classified as moderate, with operator’s pulse rate of 100-125 sec/mnt.
Analisis Pemanfaatan Energi Panas pada Pengeringan Bawang Merah (Allium ascalonicum L.) dengan menggunakan Alat Pengering Efek Rumah Kaca (ERK): Analysis of Heat Energy Utilizationin Onion (Allium ascalonicum, L.)DryingusingGreenHouses Gasses(GHG)Drye Zamharir Zamharir; Sukmawaty Sukmawaty; Asih Priyati
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 4 No 2 (2016): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

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Abstract

Onion (Allium ascalonicum, L.) is one horticulture commodity that is widely cultivated by Indonesian society. There are many benefits that can be drawn from the onion and high economic value of these vegetables make farmers in various regions interested to cultivate them to earn huge profits. Purpose of this study was to analyze the needs of heat energy in the drying process of onions. Method used in this research was experimental methods by using Greenhouse Gasses (GHG) dryer for drying onion. This dryer utilizes solar energy as the only source of heat to raise temperature of the material in the drying process. On the first experimental stage (without materials) the highest temperature inside the dryer was 52°C and the lowest was 27°C, while the maximum temperature in the environment was 34°C and the minimum was 25°C. The average temperature difference between the dryer and the environment was 14°C with average solar radiation of 445 W/m². On the experiment using materials, the average temperature of the dryer during 4 days, the lowest was 37.75°C and the highest was 51.75° C; whereas the lowest and the highest environment temperature respectively was 25.8°C and 37.0°C. The average light intensity was 545 W/m², with average total amount of solar energy received was 2,227,262.7 kJ and the average drying efficiency was 39.9%.
Co-Authors Endang Sulnawati Iga Dainty Jannata Jannata M. Salman Ibnu Chaer Sirajuddin H. Abdullah Sirajuddin Haji Abdullah Sukmawaty Sukmawaty Zamharir Zamharir