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Siti Suharyatun
Jurusan Teknik Pertanian Fakultas Pertanian, Universitas Lampung, Jl. Sumantri Brojonegoro 1, Bandar Lampung 35145
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences Other

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Pembuatan Dan Pengujian Pot Organik Berbahan Baku Limbah Batang Singkong Untuk Tanaman Kangkung Darat (Ipomea reptans Poir) Kurnia, Berti; Asmara, Sandi; Rahmawati, Winda; Suharyatun, Siti
Jurnal Agricultural Biosystem Engineering Vol 1, No 3 (2022): September 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v1i3.6337

Abstract

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Penambahan Arang Batok Kelapa pada Produksi Biogas Campuran Kotoran Ayam dan Kotoran Sapi Haryanto, Agus; Putri, Laily Rahmadani; Suharyatun, Siti; Telaumbanua, Mareli
Jurnal Agricultural Biosystem Engineering Vol 2, No 1 (2023): March 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i1.6874

Abstract

This study aims to determine the effect of adding coconut shell biochar on biogas production from a mixture of chicken manure and cow manure. The research was conducted using a batch type digester with an active volume of 2000 mL. The substrate consists of a mixture of chicken manure and cow manure with a weight ratio of 1:1 and 3:1. Biochar from coconut shells is mashed and added at a rate of 3 grams. Parameters observed included ambient temperature, initial and final pH, biogas production and methane content in biogas. The results showed that the addition of coconut shell charcoal had a negative effect which was marked by a decrease in cumulative biogas production. The highest cumulative biogas production was obtained in the treatment without the addition of biochar, both K1B0 and K2B0. Biogas from the K2B0 treatment has a higher CH4 content than those of other treatments. Keywords: Biogas Production, Methane, pH, Substrate Rasio, Temperature
Kinerja Industri Kecil Arang Tempurung Kelapa Fadila, Nabila Dea; Rahmawati, Winda; Suharyatun, Siti; Haryanto, Agus
Jurnal Agricultural Biosystem Engineering Vol 2, No 2 (2023): June 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i2.7484

Abstract

Charcoal production from coconut shells is a promising alternative to utilize waste into charcoal products that have high economic value for a small industry. This study aims to determine the feasibility of a small-scale charcoal business that utilizes coconut shell waste. The research was carried out in January 2022 - June 2022 in the Tunas Mandiri coconut shell charcoal industry in Ambarawa Village, Pringsewu Regency. Field observations and sampling were carried out for three times. Parameters observed included process capacity, yield, characteristics of charcoal (density, moisture content, ash content, water absorption, calorific value), and economic analysis of the charcoal industry. The results showed that the Tunas Mandiri charcoal small industry produced two types of coconut shell charcoal, namely low quality charcoal and vacuum charcoal. Vacuum charcoal has good quality, namely water content 8.49%, ash content 2.04%, and calorific value 7475.00 cal/g (meeting the quality requirements of SNI No. 0258–79), while low quality charcoal has a moisture content of 29.92%, ash content of 3.72 %, and the calorific value is 6518.64 cal/g (does not meet the requirements of SNI No. 0258–79). The results showed that the shell charcoal business was economically feasible to run with a fairly high profit reaching Rp. 1,652,666.67 for each charcoal production process for 3-4 days. Keywords:  Charcoal, Coconut Shell, Economy, Profit, Small-Scale Industry.
Pengaruh Jumlah Masukan dan Varietas Batang Singkong Terhadap Kinerja Mesin Rabakong Tipe TEP-6 Asmara, Sandi; Kuncoro, Sapto; Suharyatun, Siti; Aditya, Muhammad Alif
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8055

Abstract

A lot of cassava stem waste is not used and is only left to rot or burned, so the handling of cassava stems into animal feed ingredients is carried out. The purpose of this research is to determine the performance of the TEP-6 type cassava stem chopper in carrying out the shrinking process with the influence of the variety and the number of cassava stem inputs. This research was conducted with quantitative descriptive method, through testing, measurement, hypothesis through mathematical and statistical calculations, as well as in the presence of graphs and statistical analysis. The results of this research are the best capacity in the Kasesart type of input number of 4 stems with a value of 203,867 kg / hour, and the lowest weight loss is in the Kasesart number of input 3 stems with a value of 11,822%, the lowest fuel consumption is at 1,971 l/jam, there is no fatigue in the use of rabakong machines, and there is a high size of the insertion place that is not yet ergonomic.  And there is a certain size or distance in chopping so that it can effective and efficient. Keywords: Cassava Trunk Waste, Chopper Performance, Number of Inputs, Shrinkage, Variety.
Uji Kinerja Mesin Pencacah Tipe Multiguna untuk Pencacahan Tongkol Jagung Aprilliandi, Reza; Suharyatun, Siti; Oktafri, Oktafri; Haryanto, Agus
Jurnal Agricultural Biosystem Engineering Vol 1, No 3 (2022): September 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v1i3.6321

Abstract

Indonesia is an agrarian country because it has abundant agricultural products, one of its mainstay is corn. Besides rice, corn is one of the staple foods consumed by Indonesian people, but only the corn’s grain are used in corn. The cornhusk and corn cobs are usually thrown away or just burned because they are not used. One of the way to process corncobs waste is by chopped corncobs to be used as animal feed. Corncobs that have been separated from the grains of corn were chopped using a chopper machine (Chopper). All this time, these machines have been widely used by society. However, it still raises problems related to the chopper machine. This study uses the observed parameters, namely the enumeration work capacity, fuel consumption, the uniformity of the enumeration results, and the yield. Based on the result of the study, the effect of treatment on yield was not significantly different, with an average yield value of 94.89%. The highest chopping results of corn cobs is at high rotational speed of 1245 rpm with an engine working capacity of 332.88 kg/hour. The lowest fuel consumption is at a rotating speed of 890 rpm with a fuel requirement of 0.74 liters/hour. The effect of treatment on the distribution of chopped results was not significantly different, with the average value for fine chopping 67.29% and 32.71% for coarse chopping. Based on the ANOVA test, the effect of treatment on fuel productivity was not significantly different, with an average fuel productivity value of 301.61 kg/liter. Keywords: Chopper, Chopper Machine, Corn, Corncobs, Rotating Speed.
Uji Kinerja Pompa Hidram Nurfauzan, M.; Zulkarnain, Iskandar; Ridwan, Ridwan; Suharyatun, Siti
Jurnal Agricultural Biosystem Engineering Vol 1, No 4 (2022): Desember 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v1i4.6573

Abstract

Hydram pump is a pump that utilizes potential energy sources of water to be flowed. the ideal hydram pump component that can be used to raise the maximum water is not known for sure. This study aims to test the performance of a hydraulic ram pump with one suction valve with a diameter of 0.5 inches and two exhaust valves with a diameter of 0.5 inches to obtain the maximum pump output height, the highest discharge and efficiency as well as the optimal pump input height. The research was conducted using 3 variations of inlet pipe height (H), namely 1 m, 2 m and 3 m. Each inlet pipe height is varied by 5 outlet pipe height (h) with h=H+(2^n x0.25) with n=0 – 54. From the test results, the highest output discharge is 5 liters/minute at the inlet pipe height H = 3 m and the height of the outlet pipe is h = 3.25 meters. The highest efficiency is 17.21%. obtained at the height of the inlet pipe H = 3 m and the height of the outlet pipe is 3.25 meters. At H = 1 m the pump can raise water to a maximum of 4.83 m, at H = 2 m it can raise water to a maximum of 10 m and at a water source height of 3 m it can raise water to a maximum of 18.44 m. Keywords: Efficiency, Inlet Pipe Height, Outlet Pipe Height, Water Energi.
Pengaruh Kecepatan Putar Disk Mill Terhadap Karakteristik Tepung dari 3 Jenis Polong Adipa, Rakha; Tamrin, Tamrin; Rahmawati, Winda; Suharyatun, Siti
Jurnal Agricultural Biosystem Engineering Vol 1, No 4 (2022): Desember 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v1i4.6462

Abstract

Soybeans and mung beans are legumes that can be processed into various types of food or complementary foods. One of the processed products made from soybeans or mung bean which can be used as a half product is soybean flour or mung bean flour. This study aims to analyze the effect of differences in RPM on the performance of the disc mill for grinding flour products and the level of fineness of the resulting flour products. The study used a Factorial Completely Randomized Design (CRD) which consisted of 2 factors, namely the rotational speed (RPM) and the material. The rotational speed consists of 3 treatment levels, namely 1186 RPM (R1), 1862 RPM (R2), 2495 RPM (R3). The type of material consists of yellow soybeans (K1), black soybeans (K2) and mung beans (K3). The research parameters consisted of flouring capacity, flour moisture content, flour yield and flour fineness. The data were analyzed using the ANOVA test, followed by the BNT test at a significance level of = 5%. The results showed that RPM and material affected the flouring capacity, moisture content and flour yield. The highest flouring capacity was flouring mung beans with a speed of 2495 RPM (R3K3) of 41.77 kg/hour, while the lowest capacity was at a rotational speed of 1186 RPM. for yellow, black and green soybeans. The water content of mung bean flour (10.87%) was higher than that of yellow and black soybean flour. The level of fineness at RPM 2495 on yellow soybeans, black soybeans and green beans produces flour with a medium fineness level. Keywords: Flouring Capacity, Level of Fineness, Mung Bean Flour, Soybean Flour, Yield.
Analisis Kebutuhan Traktor Tangan (Hand Tractor) Menggunakan Sistem Informasi Geografi di Kecamatan Pringsewu dan Kecamatan Gading Rejo Kabupaten Pringsewu Setiawan, Fajar Arief; Ridwan, Ridwan; Suharyatun, Siti; Asmara, Sandi
Jurnal Agricultural Biosystem Engineering Vol 1, No 4 (2022): Desember 2022
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v1i4.6553

Abstract

The application of agricultural mechanization is one of the important components in the agricultural industry that utilizes agricultural tools and machines to improve farming efficiency. Farmers can maximize the energy produced by the machineries to cut the time, production costs and increase production value. The object of this research is Pringsewu and Gading Rejo Subdistricts, Pringsewu District. The suitability analysis of hand tractors was carried out to determine the distribution of areas suitable for hand tractor application. The analysis was carried out by overlaying spatial data in the form of rainfall, slope, soil type, and paddy fields using Quantum GIS 3.16.5 software. The results of the analysis show that Pringsewu Subdistrict has 3 categories of suitability for the application of hand tractors, namely: Very Suitable (SS) 17,43 hectares, Suitable (S) 2.078,92 hectares, and Not Suitable (TS) 710.46 hectares. Gading Rejo Subdistrict has 2 categories, namely: Suitable (S) 3.20,50 hectares and Not Suitable (TS) 696.83 hectares. Analysis of the need for agricultural tools and machinery is carried out to determine the amount of machinery needed in an area. Analysis of the need for hand tractors is carried out to determine the number of needs for hand tractors in an area. The results of the research show that the need for hand tractors in the Pringsewu District was 177 units, while in the Gading Rejo District there were 282 units. Keywords: Agricultural Mechanization, Land Suitability, Overlay Map, Spatial Data, Quantum GIS.
Aplikasi Pengering Portable pada Produksi Terasi di Poklahsar Hasil Laut, Pekon Suka Banjar, Tanggamus Amien, Elhamida Rezkia; Suharyatun, Siti; Novita, Dwi Dian; Rahmawati, Winda; Sugiyanti, Cicih
Open Community Service Journal Vol. 4 No. 1 (2025): Open Community Service Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/ocsj.v4i1.124

Abstract

Pekon Suka Banjar di Kecamatan Kota Agung Timur, Kabupaten Tanggamus, memiliki potensi hasil laut yang melimpah, salah satunya udang rebon yang diolah menjadi terasi oleh Kelompok Pengolahan dan Pemasar Ikan (POKLAHSAR) Hasil Laut Suka Banjar. Namun, proses produksi yang masih tradisional menyebabkan mutu dan kebersihan produk belum optimal. Kegiatan pengabdian ini bertujuan untuk meningkatkan kualitas dan daya saing produk terasi melalui inovasi alat pengering portable serta pembuatan desain label dan kemasan yang menarik. Metode yang digunakan meliputi edukasi, pendampingan, pembuatan alat pengering, pelatihan pengemasan, serta evaluasi kegiatan. Hasilnya, alat pengering portable berhasil dibuat dan digunakan secara efektif, desain label dan kemasan baru diterapkan, serta peserta menunjukkan pemahaman yang baik terhadap pentingnya menjaga mutu produk. Evaluasi menunjukkan bahwa penggunaan alat pengering dan kemasan yang tepat dinilai sangat penting untuk meningkatkan kualitas, keamanan, dan nilai jual produk terasi. Kegiatan ini diharapkan dapat mendorong kemandirian ekonomi keluarga nelayan melalui produk olahan hasil laut yang lebih higienis dan kompetitif.
Pendampingan Implementasi Good Manufacturing Practice (GMP) Untuk Produksi Nata De Coco Skala Rumah Tangga Sugianti, Cicih; indriyani, Yaktiworo; Waluyo, Sri; Suharyatun, Siti; Rahmawati, Winda
Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol. 3 No. 2 (2024): Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol 3 No 2, September
Publisher : Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpfp.v3i2.9480

Abstract

Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan kualitas dan keamanan produksi nata de coco melalui implementasi Good Manufacturing Practice (GMP) di komunitas petani dan produsen lokal. Nata de coco merupakan produk berbasis kelapa yang banyak diminati, namun sering kali kualitasnya bervariasi akibat kurangnya standar produksi. Dengan menerapkan GMP, diharapkan dapat dicapai peningkatan mutu produk yang konsisten dan aman untuk dikonsumsi.Program ini melibatkan pelatihan dan pendampingan kepada produsen nata de coco di Kabupaten Lampung Selatan. Materi pelatihan mencakup aspek kebersihan dan sanitasi, kontrol proses produksi, dokumentasi, serta pengawasan mutu. Evaluasi menunjukkan peningkatan yang signifikan dalam hal kebersihan fasilitas, konsistensi produk, dan penerapan praktik produksi yang baik.Hasil implementasi menunjukkan bahwa penerapan GMP berhasil mengurangi risiko kontaminasi dan meningkatkan ketebalan serta tekstur nata de coco. Selain itu, peningkatan sistem dokumentasi dan pelacakan memudahkan pengawasan proses produksi dan penanganan masalah. Kesadaran produsen mengenai pentingnya GMP juga meningkat, yang diharapkan dapat meningkatkan daya saing produk di pasar.
Co-Authors Abdilah, Rois Abdul Rozaq Adi Saputra Adipa, Rakha Aditya, Muhammad Alif Adnan Bahrul Ulum Agus Haryanto Agus Haryanto Agus Haryanto Agus Haryanto Agus Haryanto Agustin, Churia Camelia Ahmad Tusi Akbar, Fahri Andrian Aldi Saputra Anggraini, Nurvita Anhar, Satria Radly Annisa Nur Rachmawaty Aprilliandi, Reza Asropi Asropi Ayu Anggiana Bambang Purwantana Budianto Lanya Budianto Lanya Cicih Sugianti Darwin Darwin Dedi Hermawan Demato, Pingkan Najua Denny Sanjaya Irawan Diding Suhandy Dwi Dian Novita Eka Yana Elhamida Rezkia Amien Erlangga Erlangga Fadila, Nabila Dea Faizah, Intan Nurul Febryan K. Wisnu Febryan Kusuma Wisnu Ferdita Kurnia Firmansyah Ully Pratama Forky Indra Kano Indriyani, Yaktiworo Julianto Julianto Juliantoro, Rizky Alif JUNARLI JUNARLI Khoiril Anam Kinanti, Sekar Kuncoro, Sapto Kurnia, Berti Kusumiyati Lani, Lisa May M. Zen Kadir Mahesa, Khoirul Muhammad Dendi Mareli Telaumbanua Mareli Telaumbanua Muhamad Teguh Angga Saputra Muhammad Alwi Al Fayed Muhammad Amin Muhammad Dhafir Muhammad Pijar Muhjidin Mawardi Muhjidin Mawardi Muhjidin Mawardi Novianti, Evita Nurfauzan, M. Oktafri Oktafri Oktafri Oktafri, Oktafri Pelita Ningrum Pratama, Yuko Armandho Putri, Laily Rahmadani Rahmawati, W. Rala, M.Andrian Soni Ramadhanti, Annisa Suci Ridwan, Ridwan Rosadi, Irfan RR. Ella Evrita Hestiandari Safitri, Jeny Sandi Asmara Saputra, Muhamad Ogas Saputra, Rio Dwi Setiawan, Fajar Arief Setiawan, Firnando Anggi Siti Anisa Siti Asfiatul Mukaromah Sri Waluyo Sri Waluyo Sugeng Triyono Sugeng Triyono Sugianti, C. Sugiyanti, Cicih Tamrin Tamrin Tamrin Tamrin Tamrin, Tamrin Utama, Komang Muliandre Warji Warji Winda Rahmawati Winda Rahmawati Winda Rahmawati Winda Rahmawati Yulia, Meinilwita