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Ainun Rohanah
Program Studi Keteknikan Pertanian Fakultas Pertanian Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Engineering

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Review of Tertiary Irrigation Canals in the Namu Ukur Utara Village Namu Sira-sira Sei Bingei, Langkat District Vikri Novandi Akbar; Sumono Sumono; Ainun Rohanah
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 3 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

The distribution system of water on the field of Suka Maju villages is done through tertiary canal (a soil canal). This can resulted in waterloss through evapotranspiration, percolation and seepage so that conveyance efficiency of water become so little. Therefor it’s needed to study about the system further more. This research was aimed to study the tertiary irrigation canal in the Suka Maju village Sei Krio Sunggal, Deli Serdang district. The result showed that in the field conveyance efficiency (at the same distance) was 68,39% for canal 1 and 95,92% for canal 2. Additionally the sedimentation was also found in the canal, so that it was important to redesign the dimensions of the tertiary canal. Thus the sedimentation as well as the scoured could be reduce. The best tertiary canal dimensions for canal 1 was a combination of 0,02% slope, canal width (B) of 0,42 m and the depth of water (D) of 0,21 m, while for canal 2 a combination of 0,02% slope, canal width (B) of  0,51 m and the depth of water (D) of  0,26 m. Key Words: Tertiary Canal, Waterloss, Conveyance Efficiency, Design of Canal.
Design Construction of Shrimp Paste Molder Muhammad Rasyid Lubis; Ainun Rohanah; Nazif Ichwan
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 4 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Manual molding shrimp paste was considered not attractive because the shape of the paste was not the same and reduced the price of shrimp paste. The purpose of this research was to design, build, test and analyze the economic value of shrimp paste molder. This research was conducted in by literature study, equipment tests and parameters observation. The parameters observed were effective capacity, yield and economic analysis. Based on this research, it was summarized that the effective capacity of the equipment was 51,54 kg/hour and the yield was 71,33%. Economic analysis was as follows: basic costs for the first to the fifth year was Rp.224,59/kg, Rp.225,16/kg, Rp.225,38/kg, Rp.226,45/kg, Rp.227,16/kg respectively. Break even point (BEP) was at 161,85 kg/year of shrimp paste molded. Net present value (NPV) was Rp.210.420.009. Internal rate of return (IRR) was 47,64%. Keywords: shrimp paste, molder, machine
Co-Authors Muhammad Rasyid Lubis Nazif Ichwan Sumono Sumono Vikri Novandi Akbar