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Lukman Adlin Harahap
Program Studi Keteknikan Pertanian Fakutas Pertanian USU Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Engineering

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 1 
Comparative of The Performance of Tillage Pattern Side and Alfa on Rice Field Using Rotary Flow Hand Tractor at Kecamatan Pangkalan Susu Gunawan Sinaga; Lukman Adlin Harahap; Ainun Rohana
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 4 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Patterns of land management include the ability of the tratcor to cultivate the land using processing pattern to measure work capacity, efficiency and fuel consumption. The objective of this research was to know the capacity of Quick Boxer G1000 tractor on rice field at Kecamatan Pangkalan Susu. Parameters measured were capacity, fuel consumption, tractor efficiency and analysis of tractor usage. The result showed that treatment pattern affected significantly the capacity, fuel consumption, and tractor efficiency. The highest capacity was found in side pattern Keywords: tractor, rice field, treatment pattern.
Decision Support System of Rice Production Needs Rice Milling Unit Case Study of Padangsidimpuan City Mustafa Parlindungan; Saipul Bahri Daulay; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 4 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (135.384 KB)

Abstract

The role of food commoditis (particularly rice) since years ago in Indonesia, was so good, as rice is a basic foodstuffs for the majority of Indonesian. Food needs of rice in our country is never recedes, but increased from year to year, in accordance with population growth. The importance of this report was to forecast rice plant production by means of rice plant prediction with monte carlo method to predict the needs of Rice Milling  Unit in the future. The results showed that rice production in 2013 to 2017 was increased so that the availability of Rice Milling Unit in subdistrict of Padangsidimpuan Hutaimbaru was unable to meet grinding rate, therefore steamroller should be created. Keywords: monte carlo , rice milling unit
The Study of Rice Production Potential on Sungai Bunut Irrigation Fields in Rawang Panca Arga District Asahan Regency Noviyana Tanjung; Sumono Sumono; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 4 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Rawang Panca Arga District as the largest of centra rice production in Asahan Regency, must be studied its irrigation system of rice field to hold out and increase production. The purpose of this research was to study the rice production potential in Sungai Bunut irrigation fields in Rawang Panca Arga district Asahan regency in achieving the maximum level of rice production based on sun  radiation level, time to grow rice, and rice variety. This research also studied the ratio between irrigation field and crops field, the ratio between technical irrigation and pre technical and conventional irrigation and reliability of existing irrigation networks. In the year of 2009-2013, the results indicated that the irrigation network reliability was not good enough. The average ratio between technical irrigation and pre technical and conventional irrigation was 0,35, the average  ratio between irrigation field and crops field was 1,9 and the rice production target was 56,75%. keywords: rice, production target, production potential, irrigation network.
Modification of Ring Blade on Pineapple Peeler Swastika Nusantari; Achwil Putra Munir; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 4 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Pineapple is a unique tropical fruit. Beside it has sharp scales on its skin, it also has a juicy texture and it has sharp eyes through the outer flesh. This research was held to modify and to expand the pineapple peeler in order to simplified pineapple peeling with ring blade so we could peel a pineapple better and to compare the result to the previous blade. As the name, this blade has shaped like a ring and the cutting side was honed and was sharpened. The capacity of pineapple peeler using ring blade was 39,05 kg/hour. The criteria of peeled pinapple could be seen that there was no pineapple eyes on the outer flesh of the fruit. Losses fruit percentage using ring blade was 33,30%. Keywords : modification, pineapple peeler. : ring blade
Modification of Mechanical Coffee Pulper Equipment Willian Putra Marbun; Achwil Putra Munir; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 4 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (126.015 KB)

Abstract

Capacity constraints of Mechanical cofee skin peeler is one of the obstacles in increasing coffee production. To overcome this, we need a mechanical coffee skin  peeler that has been modified. The study was conducted with the study of literature and make observations about the mechanical coffee skin peeler that has been designed Johanes Mikael Manulang, and then designed the coupling components that would be modified. The effective capacity of the tool was 206.57 kg/h or 1441.44 kg/day. The value of the effective capacity of the equipment was greater than the previous coffee skin peeler i.e 117.39 kg/h or 821.73 kg/day. Basic costs to be incurred was Rp. 73 953 /kg in year 1, Rp. 68.917 / kg in year 2, Rp. 67.241/kg in year 3, Rp. 66.404 /kg in the 4th year, and Rp. 65.903 /kg in the 5th year. This equipment would reach the break even point after peeling coffee at 9124.41 kg/year. Net present value of these equipment with 6% interest rate was Rp. 279,299,067.30 which means that the business is feasible. Internal rate of return was 7.21%.   Keyword: modification, pulper equipment, skin
Co-Authors Achwil Putra Munir Ainun Rohana Gunawan Sinaga Mustafa Parlindungan Noviyana Tanjung Saipul Bahri Daulay Sumono Sumono Swastika Nusantari Willian Putra Marbun