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Yunita Djamalu
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Prodi Mesin dan Peralatan Pertanian, Politeknik Gorontalo. Jl. Muchlis Rahim, Panggulo, Kec. Botupingge, Kab. Bone Bolango, Gorontalo
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INDONESIA
Jurnal Teknologi Pertanian Gorontalo
Published by Politeknik Gorontalo
ISSN : 2502485X     EISSN : 25032992     DOI : 10.30869
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Teknologi Pertanian Gorontalo (JTPG) adalah jurnal ilmiah yang dikelola oleh Program Studi Mesin dan Peralatan Pertanian Politeknik Gorontalo. Jurnal ini memuat hasil-hasil penelitian dan pengetahuan sistematis rekayasa dan teknologi dalam bidang teknologi mesin dan peralatan pertanian. Jurnal ini diterbitkan dua kali dalam setahun, yakni pada bulan Mei dan November.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 8 Documents
 1 
Search results for , issue "Vol 7 No 2 (2022): Jurnal JTPG (November)" : 8 Documents clear
Rancang Bangun Pompa Hidram sebagai Solusi Sistem Pengairan di Daerah Perbukitan Didik Firmana; Iqrima Staddal; Mustofa Mustofa
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.946

Abstract

Water is one of the natural resources needed by all living things. Not only for human and animal consumption but water is also needed by plants for the process of growth and development. In areas where the position is low (below sea level), water is very easy and often found. However, in contrast to hilly and mountainous areas. Generally, farmers rely on rainwater to meet crop water needs. Therefore, hydram pump technology is a solution for irrigation systems in hilly and mountainous areas. This study aims to design a hydram pump system with a two-valve system. This research was conducted through several stages, namely design, provision of tools and materials, functional design and structural design, and testing. The main material for making hydram pumps comes from PVC pipes with different diameters, namely ¾, 2, and 3 inches. The design of the hydram pump consists of several main components, namely the input pipe, output pipe, delivery valve, waste valve, and air tube. Based on the results of the type 2 valve hydram pump test, the resulting discharge data is 8 liters/minute. The flow velocity in the input pipe and the output pipe are 0.052 m/s and 0.42 m/s respectively. One of these differences is influenced by the diameter of the pipe, where the flow velocity is inversely proportional to the diameter of the pipe. The flow rates generated in the input pipe and output pipes are 1.33 x 10‑4 m3/s and 1.32 x 10‑4 m3/s respectively.
Pengaruh Pemberian Pupuk Organik Cair Air Cucian Beras dan Air Kelapa pada Budidaya Bayam Sistem Wick Tedi Heryan; Ridwan Baharta; Rita Purwasih; Muhammad Gilang Ramadhan
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.947

Abstract

Hydroponics production of spinach required adequate plant nutrition such as AB mix solution. However due to its high price, an alternative source of nutrition such as liquid organic fertilizer (LOF) from rice washing water and coconut water has the potential to be the solution. The purpose of the final project was to determine the effect of adding liquid organic fertilizer of rice washing water and coconut water on the growth of spinach and to find the best concentration of liquid organic fertilizer. LOF physical characteristics (color, aroma, and pH) and their addition to the growth of spinach (plant height, number of leaves, measurement of nutrient concentration, fresh weight, and dry weight) were observed. This final project used a completely randomized design with 5 treatments and 3 replications. (P0: positive control (AB mix) 1%, P1: negative control (water), P2: 2%, P3: 4%, and P4: 6%). was analyzed ANOVA with a 5% level followed by DMRT. The results of liquid organic fertilizer of rice washing water and coconut water had Irish coffee color, distinctive aroma of Tape, and pH 4.6. The addition of LOF at 2% (P2) gave better results than P1 and gave significantly different results to plant height (16.17 cm), the number of leaves (9 strands), nutrient concentration (315 ppm), fresh weight (6.44 g), and dry weight (0.90 g).
Potensi Radiasi Gelombang Elektromagnetik Extremely Low Frequency (ELF) Guna Meningkatkan Ketahanan Usia Simpan Buah-Buahan Umi Uswatun; Sudarti Sudarti
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.957

Abstract

Fruits are included in foodstuffs that provide many benefits for the body, but fruits have a relatively short shelf life. ELF (Extremely Low Frequency) magnetic field radiation is radiation with a low frequency of around 0–300 Hz with non-ionizing properties or no effect on the atoms of a material it is subjected to and non-thermal or does not cause an increase in temperature when interacting with a material. In addition, Extremely Low Frequency (ELF) magnetic field radiation can be used for food tenacity. This study aims to determine how much influence ELF radiation has on the shelf life of various types of fruits. The method used in this study is the journal review method, the number of journals reviewed is 11 journals. The journal in question can be in the form of scientific articles and other journals that support and are relevant to the research title. The results of this study indicate that exposure to the ELF magnetic field can maintain the content of vitamin C, maintain the physical condition of the fruits, and increase the shelf life of fruits by maintaining pH by slowing down or increasing the pH, this is done by killing acid-forming microorganisms, In addition, exposure to the ELF magnetic field can reduce the respiration rate and the rate of ethylene production in fruits, this has an impact on extending the shelf life of fruits. The intensity and duration of exposure to the ELF magnetic field must be adjusted to the type and character of the fruit itself. Thus, it can be concluded that exposure to Extremely Low Frequency (ELF) magnetic fields are able to maintain vitamin C content, maintain the physical condition of fruits, and increase the shelf life of fruits.
Rancang Bangun Instalasi Biogas Menggunakan Reaktor Fiber Agung Prayetno Ismail; Siradjuddin Haluti; Hariadi Hariadi
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.958

Abstract

Biogas is one of the energy sources that can be utilized by the community, especially for cooking. Biogas is more environmentally friendly than LPG gas that is generally used. This is because the source of biogas comes from animal manure or the like. This animal feces if not used will pollute the environment because of the unpleasant smell. Biogas is generally made from animal dung through an anaerobic fermentation process in a closed container at a certain time. In this study, biogas is made from cow dung and uses fiber as a fermentation container. In this study, biogas is made from cow dung and uses fiber as a fermentation container. The purpose of this study is to design biogas installations using fiber-type reactors. This research is based on the ease of raw materials, installation processes, and operation. The study was conducted through several stages, namely the design and making of installation drawings, preparation of the required tools and materials, design and fabrication, testing, data collection, and data analysis. Data was taken in this study in the form of pressure, flame tests, and its use to boil water. Testing and fermentation process of cow dung is carried out for 3 days. Based on the test results it is known that there was an increase in pressure during the fermentation process. During 3 days the fermentation process increased pressure to 11.5 cmHG, where the highest pressure on the third day was 15 cmHg. The results of the flame test at the final pressure show that the flame is blue for 27 minutes and 57 seconds. At a pressure of 11 cmHg, the flame began to dim. As for the 1L heating testing, water takes approximately 20 minutes and 3 seconds until the water boils.
Rancang Bangun Mesin Pencetak Biopelet dari Sekam Padi Supriandi Monoarfa; Romi Djafar; Syamsu Akuba; Siradjuddin Haluti
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.959

Abstract

Energy is one of the most important community needs in supporting everyday life such as cooking. The energy in question can come from fossil fuels or wood. However, its availability will decrease over time, especially fossil fuels. Therefore, it is necessary to have other alternatives as a substitute for fuel. One of the materials that can be used as an energy source is biopellet. This study aims to design a machine used to make biopellets. The biopellet in this study was made from rice husk as raw material. This research was conducted through several stages, namely design and design, manufacture and fabrication, and testing. The biopellet printing machine has a tube-like shape with an outer diameter of 300 mm, whereas on the inside there is a mold with a hole with a diameter of 15 mm. The biopellet printing machine is also equipped with a roller that functions to press the dough to pass through the mold. Tests for making biopellets were carried out three times with different compositions of raw materials. The first test consisted of adhesive and rice husk with a ratio of 0.50:1. The second and third tests have adhesive and rice husk ratios of 0.75:1 and 1:1, respectively. 0.50 liters of water was added to each mixture to form a dough. The test results show that biopellets have different structures and characteristics. The third test had a dense biopellet structure, a smooth and uniform surface, and fewer fractures and cracks. In addition, the productivity is also higher than the first and second tests. This difference is of course many factors that influence, such as emphasis, the main composition of the material, and the size of the main material.
Potensi Pemanfaatan Sel Surya untuk Mendukung Energi di Bidang Pertanian Tsamratul Fuadiyah; Sudarti Sudarti
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.960

Abstract

Indonesia is a tropical country that has quite a lot of sunlight, so that it is very close to sunlight that cannot be used properly. Sunlight can be used as solar panels. Solar panels are a tool that is able to convert sunlight into electrical energy, solar panels themselves can take advantage of various fields of agriculture, one of which is agriculture. The use of energy derived from solar panels can increase agricultural yields. In tropical areas such as Indonesia, which has two rainy and dry seasons, it has abundant sunlight. This study aims to determine what potential can be produced by solar panels to support energy in agriculture. The research method used in this article is the journal review method by conducting literacy of national and international articles, with the number of journals reviewed as many as 25 journals, the journals analyzed and reviewed are journals that have the subject matter according to the research title, the results of the research will be explained in descriptive form and presented in tabular form. The results obtained after reviewing several articles that contain several uses of solar panels in agriculture that can be used for spraying, fertilizing, lighting, drying, irrigation, setting PH and temperature. The use of solar panels has many benefits for farmers because it has several advantages, namely it can save operational costs, is environmentally friendly, efficient, and can be used in the long term.
Pengaruh Dosis Pemberian Pupuk NPK Mutiara terhadap Pertumbuhan dan Produksi Kacang Panjang (Vigna Sinensis L.) Elva Pobela; Agustinus Mokoginta; Henratno Pasumbuna; Meysi Mamonto
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.975

Abstract

Vegetables are stapled food companion ingredients that must be present in the composition of food consumed by humans. This is because in vegetables there are substances that are needed by the body. Not only to maintain body immunity, but vegetables are also sometimes often used to prevent and treat disease. Increasing demand for vegetable demands increased production as well. However, there are several obstacles that can reduce productivity, including planting media (soil), pests and diseases, as well as the dosage of fertilizer application. One type of vegetable that is widely consumed by the public is long beans. One of the aims of this study was to determine the effect of NPK Mutiara fertilizer on the growth and production of long beans. This research was carried out in the form of an experiment in the field using the Randomized Block Design Method (RBD) with 6 treatments repeated 4 times so that there were 24 study plots. Long beans were planted with the treatment of Pearl NPK fertilizer which consisted of 6 treatments, namely: PK 0 (control), PK 1 = 10 gr, PK 2 = 15 gr, PK 3 = 20 gr, PK 4 = 25 gr, PK 5 = 30 gr per plot. Variables observed included vine length, number of pods, and pod weight. Data were analyzed using analysis of variance and if it had a significant effect, then it was continued with the 5% Least Significant Difference (LSD) test. Based on the results of the study it was known that at the age of 10 HST, 20 HST, and 30 HST the application of Mutiara NPK fertilizer had no significant effect on the height of long bean plants (Vigna sinensis L.).
Mekanisme Pembuatan Briket Berbasis Limbah Pertanian yang Ramah Lingkungan Febi Navila Ella Firdani; Sudarti Sudarti
Jurnal Teknologi Pertanian Gorontalo (JTPG) Vol 7 No 2 (2022): Jurnal JTPG (November)
Publisher : PROGRAM STUDI MESIN DAN PERALATAN PERTANIAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtpg.v7i2.983

Abstract

The problems that are often encountered are the problem of garbage or waste from human activities, these activities include households, agriculture, factories, and others. The purpose of this research is to reduce waste or waste that is really needed at this time whether it is used for other alternative sources that are environmentally friendly, so that waste or waste from agricultural activities does not continue to increase, organic fertilizer and briquettes or charcoal can be used. In this study using the method of literature review from various international journals. The journal used starts from the past 10 years, namely 2012-2022 and searches for it via Google Scolar. Keywords used when searching journals on Google Scolar such as "agricultural waste processing", "briquette management", and "agricultural waste". Garbage is the remains of human activities that are not reused but can produce a useful new product. There are various types of waste or waste, one of which is agricultural waste which can produce products that are beneficial to the environment or environmentally friendly. Agricultural waste is the part of agricultural plants from the top or shoots to the remaining stems after harvesting activities. Utilization of agricultural waste is very useful for humans, the environment, and other living things. One of the uses of this agricultural waste is as briquettes which are a new alternative source that is environmentally friendly because it comes from various plant residues produced during harvesting activities. Most of the agricultural waste comes from rice. So, the existence of agricultural waste can be used as a new alternative source that is environmentally friendly and inexpensive.

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