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Achwil Putra Munir
Program Studi Keteknikan Pertanian Fakultas Pertanian Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Engineering

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Performance Study of Drip Irrigation on Andosol Soil with Caisim (Brassica junceaL. ) Cultivation Dinda Puspa Sari; Sumono Sumono; Nazif Ichwan; Achwil Putra Munir
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 3 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Drip irrigation is a more economic method in distributing the water on caisim plant cultivation. This research was aimed to study the drip irrigation performance on Andosol soil with cultivation of caisim plant (Brassica juncea L.). The parameters observed were the characteristic of the soil physics, evapotranspiration, percolation, emission uniformity, use of water and the efficiency of water usage, wet weight and dry weight of caisim plant.Sanded clay textured andosol soil, evapotranspiration on the first growth phase was 0,72 mmday-1, on the middle phase was 1,92 mmday-1 and on the last phase was 0,96 mmday-1. The highest percolation was 2,65 mmday-1 on the middle growth phase on the planted soil and the lowest was 1,11 mmday-1 on the last growth on the non planted soil. The number of emission uniformity was 90,22 %. Efficiency of the highest water usage in the last growth phase on the soil without plant was 35,54 % and efficiency of the lowest in the middle growth phase on the palnted soil was 13,96 %. Efficiency of saving was 100 % on the middle growth phase and on the last. The wet  weight of caisim palnt was 129,5 g while the dry weight of caisim palnt was 7,83 g. Keyword : efficiency, drip irrigation, irrigation performance, Caisim plant, Andosol soil.
The operation work evaluation and maintenance of Medan Krio Irrigation system in Sunggal District Deli Serdang regency Muhammad Satria Sebayang; Sumono Sumono; Achwil Putra Munir
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 3 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Medan Krio irrigation area is an irrigation area which has 2800 Ha width. This irrigation area can be classified as technical irrigation network. This research was conducted to evaluate the operation  performance and  maintenance the Medan Krio irrigation system. Some indicators which were used to know the work of the irrigation system were : functional work and irrigation network infrastructure, water sufficiency level, water distribution compatibility level, government institutional management, human resource and farmer institutional work. In this research, it was obtained that functional work and irrigation network infrastructure were very bad, water sufficiency level was less,water distribution compatibility level was good, government institutional management was very good, human resource was enough and farmer institutional work was very bad but in over all work evaluation and maintenance of Medan Krio irrigation system were still can be categorized as good. Keyword : Operation and maintenance, Medan Krio irrigation system.
Review of Seepage Coefficient of Irrigation Channel on Andepts Soil at Laboratory Scale Siti Aisyah Ritonga; Sumono Sumono; Achwil Putra Munir
Jurnal Rekayasa Pangan dan Pertanian Vol 2, No 3 (2014): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Seepage is one of the causes of lost of water in irrigation channel. It is difficult to measure the seepage directly on the field. Therefore there should be a model or equation to determine the channel seepage that in the first through laboratory scale. This research was done to analyze the seepage coefficient of irrigation channel on Andepts soil through laboratory scale. The water balance component which was measured were evaporation, percolation and the seepage through channel wall. The research showed that the coefficient of seepage was about 60082,56 mm/day to 65059,2 mm/day. The evaporation number value was 4,224 mm/day and channel percolation was 8925,12 mm/day. Keyword : coefficient of seepage, irrigation channel, Andepts soil, laboratory scale.
The review of Rice Potential Production on Sungai Ular Irrigation Fields in Perbaungan District Serdang Bedagai Regency Ade Rina Manik; Sumono Sumono; Achwil Putra Munir
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 1 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Serdang Bedagai as one of rice centra in North Sumatera need to be reviewed its irrigation network to hold out and increase production. The purpose of this research was to study the rice potential production on Sungai Ular irrigation fields in Perbaungan district Serdang Bedagai regency in achieving the maximum level of rice production based on sun radiation level, time to grow rice, and rice variety. The research also studied the ratio between irrigation field and crops field, the ratio between technical irrigation with pre technical and conventional irrigation and also realibility of existing irrigation network. In the year of 2009-2013, the results indicated that the irrigation network realibility was need to increase. The average ratio between irrigation field and crops field was 1,80, the average ratio between technical irrigation with pre technical irrigation and conventional irrigation was 0,57 and the rice production target was 58,89 %. Keywords: irrigation network. potential production, production target,  rice
Test of Flat Burr Mill Type Pepper Grinding Fadhlan Arief; Achwil Putra Munir; Adian Rindang
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 1 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Quality of pepper in the market is depend on post harvest process, so that this stage needs a very the serious attention. As pepper had two types, the process is also different. The test of flat burr mill type pepper grinding was to know the feasebility of the  mill in white pepper procesing. This research was done in Agricultural Central Laboratorium, Agricultural Department, University of North Sumatera, Medan on October 2014. Parameters observed were effective capacity, percentage of losses seed, moisture content, and the ash content. Results of the research showed that the average effective capacity  was 185.72 gr/minute, and  the percentage of losses seed was 2.9%. The equipment was feaseable to process white pepper, the ash content average was 1.4%, and the average  moisture content was 15.9%. Keyword : Flat burr  grinding mill, white pepper.
Design of Mechanical Coconut Dryer Desiccated Coconut Karten Malau; Lukman Adlin Harahap; Achwil Putra Munir
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 1 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Coconut is one of multifunction plant, every part of it was useful. One of its usage is fruit flesh grating and then dried to avoid  bacteria’s growth, so it can be used to prepare bread, biscuit, candy, taking the coconut milk and ingredient of coconut flour. Therefore, the writer was design and constructed grated coconut dryer. This research has been done since April to August 2014 in Laboratorium Keteknikan Pertanian, Fakultas Pertanian Universitas Sumatera Utara, Medan by literature study, construction testing and observing the equipment. The parameters observed were effective capacity, tested of the equipment, analyzed the economic value. Based on this research it was summarized that the effective capacity of the equipment was 0,67 kg/hr, basic costs were Rp.15.391,36 for the first year, Rp. 13.739,39 for the second year, Rp. 13.189,49 for the third year, Rp. 12.915,02 for the fourth year and Rp. 12.750,65 for the fifth year, break event point was 752,21 kg/year for the first year, 405 kg/year for the second year, 290 kg/year for the third year, 232,52 kg/year for the fourth year and 198,03 kg/year for the fifth year, net present value was Rp. 118,963.293,2, internal rate of return was 43,56%, its mean that this equipment was worthy to use. Key words: coconut dryer, coconut flesh, dry grated coconut
The Analysis of Effect of Removing Pitcher Masses with Sanding Methode on Its Hydraulic Conductivity and Water Seepage Velocity on Ultisol Soil Surface Raja Bagus Hariawan Agung; Achwil Putra Munir; Saipul Bahri Daulay
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 1 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Pitchers that are made of clay loam and burnt with high temperature have ability to autoregulate soil irrigation which is an efficient technique among other system of irrigation. The Important physical characteristics of pitcher are hydraulic conductivity and porosity. This research was one of preliminary study in making regulation of pitcher physical characteristics using sanding methode. This research was performed using non factorial randomized block design. Parameters analyzed were porosity, hydraulic conductivity, water seepage volume and soil surface wetting distance. The result showed the sanding methode had no significant effect on porosity, hydraulic conductivity, water seepage volume and soil surface wetting distance. Key Word: conductivity, pitcher, porosity, hydraulic, sanding method, water seepage  
Design of Pineapple Peeler Machine Yuli Noersalim; Achwil Putra Munir; Ainun Rohana
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 1 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

At this time peeling pineapple fruit is known only through manual tools by kitchen knife. However, later on pineapple peeler has begun to be developed in the form of pineapple peeler manually press by using human operator. With the development of science and technology in this modern age, human  beings that have the potential to think will always develop and trying to create or make a new, more efficient and practical equipment that can help or even replacing human power with the agricultural machinery. Therefore through design in this research, the author tried to ease the peeling of pineapple skin by designing a pineapple peeler machine which had a larger capacity and without human power which be more effective and efficient in peeling pineapple. This principle of the pineapple peeler machine was worked that pineapples were embedded in the blade player who spins the fruit and withheld by the retaining lever and then the blades that have been mounted on a holder would come down to peel the fruit  that suited to its size. This machine can peel all kind of ripe pineapple fruit-size. The capacity of this pineapple peeler machine was 31,57 kg/hour. Keywords : blade, equipment design, pineapple peeler
Test of Rotor Gap and Varian of Knife Edge Shape on Mechanical Coffee Pulper Equipment Singular Cylinder Adella Ginting; Achwil Putra Munir; Nazif Ichwan
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 2 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

There were still found crushed coffee beans and unpeeled coffee in pulping of coffee. Quality of coffee was affected by rotor gap and blade variation. This research was held to test the rotor gap and blade variation on parameters measured, i.e effective capacity of the equipment, unpeeled beans percentage, crushed beans percentage, percentage beans in wet skin output and percentage wet skin in beans output. This research used factorial completely randomized design with two factors i.e rotor gap (0.8, 1.0, 1.2, 1.4 cm) and variant of blade (linear, curve, triangle and half of circle).The result showed that the rotor gap had significantly affected all parameters. Variant of blade had significantly affected all parameters except percentage beans in wet skin output. The interaction of the two factors had significantly affected all parameters except percentage beans in wet skin output and percentage wet skin in beans output. The best result was the combination of 1.0 cm gap with half of circle blade which resulted effective capacity of 170.79 kg/hour, unpeeled beans percentage of 8.33%, crushed beans percentage of 2.83%, percentage beans in wet skin output of 9.83% and percentage wet skin in beans output of 7.08%. Key words: coffee, pulping, rotor gap, blade
Modification of Flat Burr Type Coffee Bean Grinder Mill Arta Naomi Cristiana Simanjuntak; Achwil Putra Munir; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 3, No 2 (2015): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Milling is done to reduce size or to powder food material into a certain level of refinement to be more easily processed into other products. The aims of this research was to modify, design, build and test flat burr mill type coffee bean grinder on robusta coffee and arabic coffee. Observed parameters were the effective capacity ofthe equipment, the percentage of losses materials, and economic analysis.The results showed that the effective capacity of the equipment were 35,66 kg/hour for robusta coffee and 33,84% for arabic coffee. Losses of robusta coffee bean was 0,043% and arabic coffee was 0,032%. Losses coffee powder of robusta coffee was 4,3% and arabic coffee was 12,00%. The economic analysis was Rp. 1.074,25/kg, the average of BEP was 216.5967341 kg/year for robusta coffee and 216.7716519 kg/year for arabic coffee. The 6% NPV was Rp. 3.539.104.339,00 for robusta coffee and Rp. 3.460.116.952,00 for arabic coffee. The IRR was 46,26% for robusta coffee and 46,28% for arabic coffee. Keywords: flat burr mill, coffee, grinder, rotor, stator.
Co-Authors Ade Rina Manik Adella Ginting Adian Rindang Ainun Rohana Arta Naomi Cristiana Simanjuntak Dinda Puspa Sari Fadhlan Arief Hamjah Dalimunthe Karsadi Warman Karten Malau Lestari Andaluri Lukman Adlin Harahap Mitrawijaya Tamba Muhammad Satria Sebayang Nazif Ichwan Raja Bagus Hariawan Agung Saipul Bahri Daulay Siska Willyana Siti Aisyah Ritonga Sulastri Panggabean Sumono Sumono Tiurma Rosita Sinaga Yuli Noersalim