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All Journal Agrifor : Jurnal Ilmu Pertanian dan Kehutanan JURNAL ILMIAH PETERNAKAN TERPADU JURNAL AGROTEKNOSAINS
Seringena Br Karo
Universitas Quality Berastagi
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Other

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PENGARUH MODIFIKASI JUMLAH ALUR DAN KECEPATAN PUTAR ROTOR BAR TERHADAP PRODUKTIVITAS DAN HASIL MESIN PEMECAH KEMIRI SISTEM RIPPLE MILL Robert Sinaga; Julieta Christy; Donatus Dahang; Riduan Sembiring; Swati Sembiring; Seringena Br Karo; Daniel Gea; Relius Buulolo
JURNAL AGROTEKNOSAINS Vol 6, No 1 (2022): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v6i1.749

Abstract

Advanced knowledge of candlenut deshelling machine is needed to obtain optimal whole round kernel. The objective of this study was to modify the rotor bar on a candlenut deshelling machine with a ripple mill system. The method was engineering or modification, were made in the form of processes and products. The number of grooves on the rotor bar was modified became 2, 4 and 6. Rotation speed of the rotor bar were varied to 15 rpm, 18.75 and 25 rpm. The number of grooves gave a very significant effect on the capacity of the machine, whole round kernel, broken kernel, sticky kernel and unbroken seeds. The rotational speed of the rotor bar gave a very significant effect on the capacity of the machine, broken kernel, and sticky kernel, and gave an insignificant effect on whole round kernel and broken kernel. Interaction between the number of grooves and the rotational speed of the rotor bar gave a very significant effect on the capacity of the machine and the sticky kernel and insignificant effect on the whole round kernel, crushed kernel and unbroken seeds.
CAMPURAN TEPUNG BIJI DURIAN DAN TEPUNG TERIGU MENJADI CAKE Deysitao Fana Tarigan; Seringena br Karo; Swati Sembiring; Riduan Sembiring
JURNAL AGROTEKNOSAINS Vol 6, No 1 (2022): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v6i1.724

Abstract

Berlimpahnya limbah biji durian pada musim durian belum banyak dimanfaatkan, disisi lain biji durian berpotensi sebagai sumber bahan makanan. Penelitian ini bertujuan untuk mengidentifikasi nutrisi biji durian yang dijadikan tepung dan pengaruhnya jika dimanfaatkan sebagai bahan Pembuatan cake tepung biji durian. Materi penelitian terdiri dari biji durian yang dijadikan tepung, tepung terigu, emosi player, mentega, gula dan telur Metode penelitian yang digunakan yaitu Rancang Acak Lengkap dengan 5 perlakuan dan 3 ulangan. Perlakuan adalah penggunaan tepung biji durian konsentrasi 0,9% (Td1); 100% tepung bijin durian  (Td2); 75% tepung biji durian 25% tepung terigu (Td3) ; 50% tepung biji durian 50% tepung terigu (Td4) 25% tepung biji durian 75% tepung terigu (Td5) 100% tepung terigu dan tepung terigu sebagai (Kontrol). Variabel pengamatan meliputi kadar air, volume , uji organoleptik. Data hasil penelitian dianalisis menggunakan ragam ANOVA dan uji lanjut Beda Nyata Terkecil dengan program SPSS 23. Hasil penelitian menunjukan bahwa, pengunaan tepung biji durian sebagai bahan pembuatan cake penstabil secara statistik berpengaruh nyata (p0,05) terhadap terbaik pada perlakuan kontrol.
Analysis Of Cattle Livestock Development Potential In North Sumatra Province Elvin Desi Martauli; Seringena Br Karo; Swati Sembiring; Riduan Sembiring
JURNAL ILMIAH PETERNAKAN TERPADU Vol 10, No 2 (2022)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jipt.v10i2.p193-208

Abstract

This study aims to identify the location of cattle development and study cattle in North Sumatra Province. The method in this study used purposive area sampling where the determination of the research area was taken based on the district/city having cattle from 2016-2020 at BPS North Sumatra. Data analysis was carried out using the Growth Ratio Model used in the analysis (MRP) and location quotient (LQ). The results showed that the districts included in classification I were Asahan, Dairi, Deli Serdang, South Tapanuli, Mandailing Natal, Labuhanbatu, Batu Bara, Tebing Tinggi, Toba, Karo, Simalungun, Serdang Bedagai, Langkat, South Labuhanbatu, North Labuhanbatu. , Tanjung Balai, Binjai, Medan, Pematang Siantar, North Padang Lawas, Padang Sidempuan, Central Tapanuli and Padang Lawas. For the classification area II, the districts of North Tapanuli, Nias, South Nias, North Nias, West Nias, Gunung Sitoli, Samosir, Sibolga, Humbang Hasundutan, Pakpak Bharat.
PENGARUH SOSIAL EKONOMI TERHADAP PDRB SUB SEKTOR TANAMAN PANGAN SUMATERA UTARA Elvin Desi Martauli; Seringena Br Karo; Swati Sembiring; Riduan Sembiring
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 21, No 2 (2022): Oktober 2022
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/agrifor.v21i2.6157

Abstract

Pertumbuhan ekonomi setiap wilayah berbeda dengan wilayah lainnya. Oleh karena itu, perencanaan pembangunan ekonomi suatu wilayah harus memperhatikan aspek ekonomi, sosial, dan fisik wilayah tersebut, serta hubungannya dengan wilayah lain. Hal ini sangat penting bagi pembangunan ekonomi yang mengacu pada sektor unggulan, selain berpengaruh pada percepatan pertumbuhan ekonomi, juga akan mempengaruhi perubahan mendasar dalam struktur perekonomian daerah, untuk menciptakan pertumbuhan ekonomi dilihat dari perkembangan PDRB. Tujuan penelitian ini adalah untuk mengetahui pengaruh jumlah penduduk, luas lahan, produksi, dan pendapatan daerah terhadap PDRB subsektor tanaman pangan di Provinsi Sumatera Utara. Dari November hingga Desember 2021, penelitian dilakukan di Provinsi Sumatera Utara. Alat analisis yang digunakan adalah fungsi Cobb-Douglas. Hasil penelitian menunjukkan bahwa secara simultan (Uji F) variabel jumlah penduduk, luas lahan, produksi dan pendapatan daerah berpengaruh signifikan terhadap PDRB subsektor tanaman pangan di Provinsi Sumatera Utara. Variabel jumlah penduduk, produksi, dan pendapatan daerah berpengaruh signifikan secara parsial (uji t) terhadap PDRB subsektor tanaman pangan di Provinsi Sumatera Utara, namun luas lahan tidak berpengaruh signifikan terhadap PDRB subsektor tanaman pangan di Provinsi Sumatera Utara.
STRATEGI PENGEMBANGAN USAHATANI JAGUNG (Zea Mays L.) DI KABUPATEN KARO, SUMATERA UTARA Elvin Desi Martauli; Seringena Br Karo; Swati Sembiring
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 22, No 2 (2023): Oktober 2023
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/agrifor.v22i2.6695

Abstract

Corn (zea mays) is one of the potential food crops aimed at improving the national economy. The increase made in corn production through the suppression of corn imports by the government so that the land for corn development can be utilized. Karo Regency is a corn production center in North Sumatra that has the potential to develop corn farming with a land area of 107,241 ha with a production of 715,940 tons. The purpose of this study was to analyze the corn farming development strategy and the internal and external constraints faced in corn farming activities. The research method used is descriptive method and data collection techniques are carried out using observation, interviews and questionnaires. There are two sub-districts as samples, namely Simpang Empat and Barusjahe Districts. The analysis technique used is descriptive and SWOT analysis. The results of the study indicate that the development strategies that can be carried out in corn farming in Karo Regency are (a) increasing the bargaining power of farmers in the context of industry/traders that impose strict quality requirements; (b) increase productivity to prepare for competition from imported corn products; (c) planning for weather variations to improve the quality of corn produced by farmers; (d) increase the knowledge and capacity of farmers in the context of controlling pests and diseases in maize; (e) reduce corn production costs to reduce fluctuations in production, quality, and price
Co-Authors Daniel Gea Deysitao Fana Tarigan Donatus Dahang Julieta Christy Martauli, Elvin Desi Relius Buulolo Riduan Sembiring Robert Sinaga Swati Sembiring