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Ahmad Akromul Huda
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Protech Biosystems Journal
Published by Universitas Muhammadiyah Mataram
ISSN : 28094425     EISSN : 28094425     DOI : ttps://doi.org/10.31764
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Energy Engineering
Protech Biosystems Journal is a peer-refereed open-access journal which has been established for the dissemination of state-of-the-art knowledge in the field of Agricultural Enginering (Agricultural Mechanization, waters and land resources Engineering, Energy, Bioprocess and Postharvest Technology) and related subjects in this field.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 54 Documents
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Design of a Melinjo Flaking Machine with Hopper and Semi Automatic Collecting Tray Miftahurrahman, Miftahurrahman; Huda, Ahmad Akromul; Karyanik, Karyanik; H. Abdullah, Sirajuddin
Protech Biosystems Journal Vol 4, No 2 (2024): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v4i2.28533

Abstract

Demand for melinjo chips is high, but the current production method is less efficient in terms of time. The melinjo flattening machine is a new innovation that has the potential to replace the conventional process, thus optimising post-harvest handling. It is expected that the use of this flattening machine can increase work capacity and facilitate the production of quality melinjo flattening products in the future. This study used experimental methodology with a one-factor completely randomised design (CRD) research design. The experiment consisted of three treatments, namely P1, P2, and P3, with amounts of 1000 grams, 2000 grams, and 3000 grams, respectively. Each treatment was repeated three times, resulting in nine experimental units. Observation data were analysed using the BNJ test at the 5% level to determine which treatment had a significant effect on yield. The test results show that the melinjo seed flattener can operate properly. In testing the capacity of the tool shows the greatest working capacity of the machine, P3, which is 28.73 grams/minute.  The processing time test shows that the treatment that produces the most time is P3 of 88 minutes.  In testing the weight of the flattener results show that P3 produces the most with a value of 2516.67 grams. It is necessary to make improvements to the hopper and redesign by calculating the bulk angle of melinjo seeds, so that melinjo seeds can easily go down to the rationing section. In addition, a stirrer is designed for melinjo seeds that are ready to be flaked with the flattening machine so that when roasting with a stirrer, the melinjo seeds that are still hot are immediately put into the hopper so that they can be flattened using the semi-automatic flattening machine.
Design of a Tray Dryer Machine Nasution, Syahwiranda; Tanggasari, Devi
Protech Biosystems Journal Vol 4, No 2 (2024): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v4i2.25570

Abstract

The Tray Dryer is one of the most widely used batch-type drying tools due to its simple design.  The configuration of the tray dryer consists of an arrangement of several racks with a convection drying system, where hot air is circulated onto the racks in a space to dry the products.  The tray dryer is capable of reducing the drying area dimensions and improving the contact of hot air with the material, making the drying process adjustable.  The purpose of this research is to understand how to determine the methods and design a tray dryer drying machine. The design of this tray dryer drying machine utilizes Solidworks software, comprising both structural and functional design. The temperature distribution of the tray dryer machine has the highest temperature on the top rack because the fan is less efficient in promoting temperature uniformity across each drying rack.  Thus, testing on the drying machine varies, where on the first rack, the temperature reaches 50°C, while on the second rack, it decreases to 49°C, and on the third rack, it is 45°C. This led to testing with the material of cherry leaf with an initial moisture content of 64.2%, obtaining moisture content after 90 minutes of drying on the first rack at 47.33%, on the second rack at 48.3%, and on the third rack at 53.6%.  So, in the testing process, different results are obtained for each rack.
Analysis of the biogas content of tofu solid waste with the addition of urea Darati, Almiatun Ratu; Suwati, Suwati; Istiqamah, Nur Annisa; Muanah, Muanah; Basirun, Basirun
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.28998

Abstract

Biogas production by fermentation is a source of energy obtained from organic waste, one of which is waste from the tofu and tempeh industry. The aim of this study was to analyze the biogas content of tau waste by adding urea. The research method uses an experimental method with a Completely Randomized Design. There were four treatments, namely T1: 7 kg of tofu waste, T2: addition of 7 kg of tofu waste + 1.4 kg of urea starter, T3: addition of tofu waste + 2.8 kg of urea starter, and T4: addition of 7 kg of tofu waste + urea starter as much as 4.2 kg. Each treatment was repeated 3 times to obtain 12 experimental units. The statistical test results show that the biogas content, in this case carbon dioxide and methane gas, with the highest measurement results found in T1 was 3819.17 ppm, and methane gas was 558.08 mol.
Analysis of Land Suitability for Avocado Plants (Persea americana M.) in the Educational Forest of the University of Muhammadiyah Mataram Fathoni, Ahmad; Romansyah, Erni; Gunawan, Adi; Wahyuni, Ida; Karyanik, Karyanik; Sudiyanto, I Wayan
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.31020

Abstract

The 93.55-hectare Mataram Muhammadiyah University Educational Forest has been enriched with eucalyptus and gaharu plants since 2019. In 2024, further enrichment will be carried out with Durian, Avocado, Jackfruit, and Longan plants. The results of previous studies showed that the development plan for Durian plants has a marginal suitability class or S3. This study aims to determine the suitability class and area of land units for Avocado plants as an alternative choice, limiting factors and economic feasibility analysis. Land surveys using the free grid method on 9 land units and land evaluations by matching 14 parameters of land availability and land requirements for Avocado plants, namely soil conditions, climate, and land. The results of the study showed that land suitability for avocado plants was quite suitable (S2) on 3 land units covering an area of 34.15 Ha with limiting factors being texture, soil depth, Total N, Available K and Slope. The land suitability class was marginally suitable (S3) on 6 land units covering an area of 59.4 Ha with limiting factors being slope and soil depth. The investment cost for enrichment of MPTS avocado plants of 100 trees per hectare is Rp. 6,000,000 per hectare and the estimated return on capital is in the 6th year after planting
The Effect Of Wovi Liquid Fertilizer And Goat Manure Concentration On Cucumber (Cucumis sativus L) Monas Variety Pristiono, Diki; Mayly, Syarifa; Lisdayani, Lisdayani
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.31406

Abstract

Cucumber has the potential to be developed because it has high economic value and promising market opportunities. The main obstacle in increasing cucumber plant production is the physical and chemical conditions of the soil. The addition of nutrients can be done using organic fertilizers. The purpose of the study was to determine the effect of the concentration of wovi liquid fertilizer and goat manure on the yield of Monas variety cucumber plants. This research was conducted in Kotasan Village, Hamlet V-VI B, Galang District, Deli Serdang Regency, with an altitude of 12 meters above sea level. This research was conducted from March to July 2024. This study used a factorial randomized block design consisting of two factors, namely: Factor 1, wovi liquid fertilizer (W) consists of 5 levels, namely: W0 = control, W1 = Dose of liquid fertilizer 5 ml / liter, W2 = Dose of liquid fertilizer 10 ml / liter, W3 = Dose of liquid fertilizer 15 ml / liter, W4 = Dose of liquid fertilizer 20 ml / liter. The second factor of goat manure (O) consists of 2 levels, namely O1 = Dosage of goat manure 10 tons/ha and O2 = Dosage of goat manure 20 tons/ha. The results of the study showed that the use of goat manure and Wovi fertilizer had no significant effect on the number of fruits, fruit length and fruit weight.
Klasifikasi Tingkat Kematangan Buah Jeruk Menggunakan Sensor Warna TCS3200 Berbasis RGB Istiqamah, Nur Annisa
Protech Biosystems Journal Vol 4, No 2 (2024): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v4i2.31749

Abstract

Penentuan tingkat kematangan buah sangat penting dalam industri pertanian karena memengaruhi kualitas, rasa, nilai gizi, dan daya simpan. Metode manual dinilai kurang akurat karena bersifat subjektif. Penelitian ini bertujuan mengembangkan sistem klasifikasi kematangan buah jeruk secara otomatis menggunakan sensor warna TCS3200 yang mendeteksi intensitas warna RGB (Red, Green, Blue). Metode penelitian eksperimental ini meliputi pembacaan nilai frekuensi warna pada sampel jeruk dengan tingkat kematangan berbeda, yaitu mentah, setengah matang, dan matang. Frekuensi diubah menjadi nilai RGB skala 0–255 dan dianalisis menggunakan rasio R/G untuk klasifikasi. Hasil menunjukkan bahwa buah mentah memiliki nilai R rendah dan G tinggi, sedangkan buah matang menunjukkan sebaliknya, dengan rasio R/G meningkat secara signifikan. Pola ini dapat dimanfaatkan untuk membedakan tingkat kematangan buah secara objektif dan efektif untuk di terapkan dalam bidang pertanian.
The Effect Of Kasgotchar And Npk Application On The Production Of White Mustard (Brassica pekinensis L.) Variety Masita 140 Sriningrum, Irawati; Mayly, Syarifa; Lisdayani, Lisdayani; Mufriah, Dini
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.32127

Abstract

The low production of white mustard greens in Indonesia is due to the lack of organic matter content in the soil needed by plants. The addition of optimal organic matter, one of which is the utilization of bioconversion technology of organic waste of black soldier fly larvae. The purpose of this study was to determine the effect of kasgotchar and NPK applications on the production of white mustard greens (Brassica pekinensis L.) variety Masita140. This study used a Factorial Randomized Block Design with 2 factors: Factor l, namely the provision of Biochar kasgot fertilizer (K) with 3 levels, namely: K0 = Control (0 kg / plot), K1 = 10 tons / ha (1 kg / plot), K2 = 20 tons / ha (2 kg / plot). Factor 2, namely the provision of NPK fertilizer 16: 16: 16 (P) with 4 levels, namely: N0 = Control (0 kg / plot), N1 = 100 kg / ha (0.01 kg / plot), N2 = 200 kg / ha (0.02 kg / plot), N3 = 300 kg / ha (0.03 kg / plot). The parameters observed in this study include Fresh Weight per crop, fresh weight per plot and production per hectare (tons). The results of the study showed that the use of kasgotchar and NPK fertilizers did not differ significantly on Fresh Weight per crop, fresh weight per plot and fresh weight per hectare. The best treatment was the K2N3 treatment (kasgotchar with a dose of 2 tons / ha, and NPK with a dose of 300 kg / ha  
Utilization of Pumpkin seed waste extract as an inhibitor in reducing the corrosion rate on metals Hidayatullah, Syarif; Sari, Nasmi Herlina; Huda, Ahmad Akromul; Pradityatama, Maharsa; Sinarep, Sinarep; suteja, suteja
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.32116

Abstract

Our research focuses on enhancing the potential of pumpkin seed waste extract as a sustainable corrosion inhibitor for metal (Fe) in 1 M HCl solution. Phytochemical screening and antioxidant activity were identified. Various investigative methodologies including experimental techniques such as Potentiodynamic Polarization (PDP) were used to evaluate the effectiveness of these pumpkin seed waste extract inhibitors in inhibiting corrosion. Electrochemical results showed that the effectiveness of the inhibitor was concentration dependent here reaching 83.11% at 3000 g/L pumpkin seed waste extract inhibitor. The PDP showed that the mixed inhibition control effectively retarded the corrosion of the metal. Furthermore, the adsorption behavior of the pumpkin seed waste extract inhibitor onto the metal follows the Langmuir isotherm model with physisorption properties. The adsorption mechanism of the inhibitor on the metal surface successfully formed a protective film on the metal surface thereby reducing the corrosion rate.  
Optimization of Anther Cultur for Pepper (Piper nigrum L.) as an Initial Stage in the Biotechnology Process of Superior Seedling Propagation Yunita, Tika Rahma; Muliani, Muliani; Mutaqin, Zaenal
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.32198

Abstract

One of breeding activities aimed at increasing the genetic diversity of pepper plants is through anther culture. This study aims to evaluate combination of MS media supplemented with hormones for callus formation from pepper anther explants. The method used was a factorial Completely Randomized Design (CRD), with the first factor being three media compositions: full-strength MS, ½ MS, and ¼ MS; and the second factor being five combinations of hormone, namely: A. 0 ppm NAA : 1 ppm BAP; B. 1 ppm NAA : 0 ppm BAP; C. 1 ppm NAA : 1 ppm BAP; D. 2 ppm NAA : 1 ppm BAP; and E. 1 ppm NAA : 2 ppm BAP. The results of this research are a significant contribution to the development of tissue culture-based bioprocess system for producing superior pepper seedling through anther culture technology. The application of ¼ MS medium supplemented with 2 ppm NAA and 1 ppm BAP induced callus formation at a rate of 10%.
Characteristics Of Physical, Mechanical And Chemical Properties Of Cissus Sicyoides And Its Composites Apriandi, M. irawan; Sari, Nasmi Herlina; Sinarep, Sinarep
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.32908

Abstract

This study aims to examine the characteristics of Cissus Sicyoides natural fibers extracted by two different methods, namely mechanical and boiling methods, and their application as reinforcing materials for epoxy resin-based composites. The characteristic of fibers was tested through physical and chemical properties, and fiber morphology, including tensile tests, FTIR, SEM and chemical composition. The results showed that the mechanical method produced fibers with higher tensile strength (431.41 MPa) and rougher surface structures, which support better mechanical bonding in the composite matrix. Meanwhile, the boiling method produced fibers with higher cellulose content (23.05%) and a cleaner and tidier surface. FTIR tests confirmed the presence of hydroxyl and carbonyl groups in both samples, while SEM results showed significant presence in the surface morphology and fiber cross-section. Composites made with fibers from the mechanical method had higher tensile strength (28.97 MPa) compared to composites from the boiling method (9.42 MPa). Overall, Cissus Sicyoides fiber has the potential as a composite reinforcing material with a mechanical extraction method that is superior in producing better mechanical performance. The findings of this study add to the use of local natural fibers as an alternative, ecologically friendly composite reinforcement for lightweight buildings.

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