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Alfian Qomaruddin
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REKAYASA
Published by Universitas Trunojoyo Madura
ISSN : 02169495     EISSN : 25025325     DOI : https://doi.org/10.21107/rekayasa
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Computer Science & IT Electrical & Electronics Engineering Engineering Physics
This journal encompasses original research articles, review articles, and short communications, including: Science and Technology, In the the next year publication, Rekayasa will publish in two times issues: April and Oktober.
Arjuna Subject : -
Articles 14 Documents
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Search results for , issue "Vol 16, No 3: Desember 2023" : 14 Documents clear
Studi Organisme Pengganggu Tanaman pada Bit Merah (Beta vulgaris L.) yang Dibudidayakan Dalam Greenhouse Dataran Rendah Aisyah, Mahindra Dewi Nur; Akhiriana, Enik; Hamawi, Mahmudah
Rekayasa Vol 16, No 3: Desember 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v16i3.20058

Abstract

Beet (Beta vulgaris L) is a potential plant for producing sugar (sugar beet) and dye (beetroot). Therefore, there is a great opportunity to be cultivated in Indonesia because of the suitable climate. Beet plants can harvest twice a year and have a higher yield than in areas with subtropical climates. However, the presence of plant pests and disease organism attacks can be a limiting factor in beet production. This study aims to observe pests and diseases attack beet cultivated in greenhouses. The observation conducted for five months, from September 2022 to January 2023. The results showed that symptoms of pest and disease attacks beet are Spodoptera sp., Lyriomyza sp., tungau, Cercospora sp., Rhozoctonia sp., and Erysiphe sp.
Pengaruh Pemberian Tepung Daun Kelor (Moringa oleifera) Sebagai Pakan Benih Ikan Lele Sangkuriang (Clarias gariepinus) Farid, Akhmad; Indriati, Putri Alfatika; Arisandi, Apri; Triajie, Haryo
Rekayasa Vol 16, No 3: Desember 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v16i3.22351

Abstract

Catfish is a suitable choice for cultivation because it is an economical and nutritious fish for growing children. Catfish are also easy to cultivate and grow fast. This research was conducted for 35 days with the aim to determine the effect of moringa leaf powder with different doses of 4 treatments on the growth and survival rate of catfish seeds. The treatment given was treatment K as a control without adding moringa leaf powder, treatment A with 90% pellets and 10% moringa leaf powder, treatment B with 85% pellets and 15% moringa leaf powder and the last treatment was treatment C with 80% pellets and 20% moringa leaf powder. This research also measured water quality during the research, with parameters measured namely temperature, Dissolve Oxygen (DO), Power of Hydrogen (pH), and ammonia. The results obtained stated that treatment C with addition of 80% pellets and 20% moringa leaf powder was the best results in all aspects, both growth  survival rate, feed convertion rasio and water quality, and fulfilled SNI (2014) regarding catfish.
Potensi Hasil Galur Harapan Kacang Bambara (Vigna subterranea L. Verdcourt) Kondisi Tanam Musim Kemarau Nurholis, Nurholis; Fatimah, Siti
Rekayasa Vol 16, No 3: Desember 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v16i3.19556

Abstract

Legumes play an important role in the food diversification programs in Indonesia. The Bambara bean has a high enough nutritionalvalue and is thus a promising food source for increased production. Bambara beans also have the advantage of being able to grow well on dry land. The activity of assembling superior varieties of Bambara peanut has been carried out since 2012, namely through the selection of local cultivars from various Bambara peanut planting centers, including from Madura. The yield test is the final stage in the assembly of varieties and lines that pass all stages of the test, which will later be submitted for release as new superior varieties. This study aims to test the yield potential of selected lines of Bambara peanut planted during the dry season in Bangkalan, Madura.  This study used a randomgroup design (RAK) with 12 genotypes of Bambara beans and repeated 3 times. The results showed that G12 (CKB-1 UP) is a genome that bears the highest production production among 11 other genotypes with a productivity of 2.28 tons/ha of pods and 109 days after planting (DAT). The number of pods has a high heritability value, so that it can be used as a reference in making a selection. The results of the correlation test showed that the vegetative character had an effect on the yield character.
Pemilihan Prioritas Pengolahan Sampah dalam Perspektif Pengetahuan Masyarakat Untuk Reduksi Emisi Sari, Novia; Rahmayanti, Henita; Sumargo, Bagus
Rekayasa Vol 16, No 3: Desember 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v16i3.22643

Abstract

Jakarta, as one of the metropolitan cities in Indonesia, has various problems in the waste sector. According to the 2022 National Waste Management Information System (SIPSN), daily waste generation in DKI Jakarta in 2022 is 8,527.07 tons with a reduction of around 26% in each administrative city area. This research uses literature studies based on several theories and research regarding waste problems with the aim of increasing community participation in implementing Minister of the Environment Regulation Number 13 of 2012 concerning Guidelines for Implementing Reduce, Reuse, Recycle through Waste Banks as an effort towards a circular economy. The results of the analysis using the Analytic Hierarchy Process (AHP) method with the help of the Superdecision Application show the weight of the criteria for determining waste processing in order from highest, namely showing that social aspects have the highest preference (51.49%), environmental aspects (28.24%), economic aspects (11.89%) and technological aspects (8.37%). Meanwhile, the alternative priority order with the highest preference is Compost at 51.617%, followed by the Recycle method at 24.40%, Incineration at 15.61% and the Landfill method at 8.36%. with an Inconsistency value of 0.02. This shows that the calculation of these criteria still falls within the inconsistency threshold, which cannot be more than 0.1.

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