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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) J-Sil (Jurnal Teknik Sipil dan Lingkungan) Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Keteknikan Pertanian Jurnal Ilmu Komputer dan Agri-Informatika Jurnal Teknik Pengairan: Journal of Water Resources Engineering Habitat AGRIVITA, Journal of Agricultural Science Journal of Mathematical and Fundamental Sciences Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Irigasi Communications in Science and Technology JURNAL SUMBER DAYA AIR Jurnal Pengabdian dan Pengembangan Masyarakat Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Jurnal Pusat Inovasi Masyarakat Jurnal Teknik Sumber Daya Air Jurnal Teknik Sipil Institut Teknologi Padang Jurnal AGRISEP: Kajian Masalah Sosial Ekonomi Pertanian dan Agribisnis J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Chusnul Arif
Department Of Civil And Environmental Engineering, IPB University, Bogor, Indonesia 16680
Agriculture, Biological Sciences & Forestry Humanities Astronomy Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Social Sciences Transportation Other

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The Basic Rheological Properties of LDPE Modified Bitumen Sudibyo, Tri; Suwarto, Fardzanela; Fauzan, Muhammad; Arif, Chusnul
Jurnal Teknik Sipil dan Lingkungan Vol. 9 No. 2: Oktober 2024
Publisher : Departemen Teknik Sipil dan Lingkungan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.9.2.275-282

Abstract

Various polymers have widely known in its capability in enhancing rheological properties of bitumen for various pavement applications. Many polymer types have been used in studies, where the properties of the final product of the polymer modified bitumen (PMB) are different, depending on the used polymers. LDPE or Low-Density Polyethylene are one of widely studied polymers in bitumen modification that exhibit higher bitumen's viscosity, perform better in resisting deformation under heavy loads, and tend to show better integrity in high temperatures. LDPE-modified bitumen also believed to enhance elasticity, allowing a potentially better resistance to cracking due to ability to recover at low strain. Many studies also stated the improvement of LDPE-modified bitumen against thermal and mechanical stress, better adhesion to aggregates in asphalt mixtures, and various promising result for overall durability and longevity of pavement. This study explains basic rheological properties of LDPE-modified bitumen prepared by high shear mixing and specified preparing methodologies. Five variables of %modifications were used: 2%, 4%, 6%, 8% and 10% of bitumen weight. Ring and Ball softening point, Penetration test and rotating spindle viscometry were done to understand the rheological changes of the modified bitumen compared to unmodified bitumen control. For further understanding the behaviour, two types of LDPE were used: virgin LDPE and recycled LDPE. The study shows interesting noticeable differences between the two used LDPE polymers, allowing further proposed studies in this field.
Development of an Irrigation System Optimization Model for Rice Cultivation Using Fine Bubble Technology Based on Genetic Algorithms Maharani, Puspa; Arif, Chusnul; Purwanto, Yohanes Aris
Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 1: April 2025
Publisher : Departemen Teknik Sipil dan Lingkungan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.10.1.169-178

Abstract

Irrigation systems play a crucial role in enhancing rice production. However, determining the optimal method for irrigation system optimization using conventional approaches is often challenging. This study aims to identify the optimal irrigation system represented by the water table level using a Genetic Algorithm (GA) model. The GA model was chosen for its advantages in addressing non-linear problems and finding global solutions without being trapped in local optima. The model was developed based on a laboratory-scale rice cultivation experiment involving four water table treatments: 0–7 cm with oxygen enrichment via Fine Bubble Technology (TA1), 4–7 cm (TA2), –5 to 0 cm (TA3), and 2–4 cm (TA4) above the soil surface. The research was conducted from February to June 2024 at Kinjiro Farm, Bogor City. The four treatments produced varying yields, with TA 2 achieving the highest yield of 6.86 tons/ha, followed by TA1 (5.35 tons/ha), TA3 (5.00 tons/ha), and TA4 (4.80 tons/ha). Based on these data, the GA model successfully identified the optimal water table level of 3.5 cm above the soil surface, which could increase production to 7.40 tons/ha. This water level represents a moderate irrigation depth, requiring a medium level of irrigation compared to the four tested treatments perlakuan.
Design and Performance Evaluation of Conventional and Modified Aerobic Composters for Food and Agricultural Waste Management Loppies, Rasendriya Arkananta Bhanu; Febrita, Joana; Arif, Chusnul
Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 2: October 2025
Publisher : Departemen Teknik Sipil dan Lingkungan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.10.2.327-336

Abstract

The management of organic waste, such as food scraps and straw, remains a challenge, particularly in residential areas that produce large amounts of waste but lack effective waste management systems. This study aimed to design and evaluate the performance of two types of aerobic composters: a conventional method and a modified method using a passive aeration system with perforated pipes. Six compost material variations were tested based on different ratios of food waste to straw and observed over an eight-week period using key parameters such as temperature, height, pH, moisture content, organic carbon, nitrogen content, and C/N ratio. The results showed that All compost variations met the compost quality standards of SNI 7763:2024. No significant difference was found between the conventional and modified methods based on ANOVA test results for the C/N ratio and pH. This study concluded that variation B6 was the most favorable, as it produced a C/N ratio closest to the standard value, met the quality standard criteria during the composting process, and reached acceptable pH and carbon levels more quickly than the other variations. Therefore, the compost quality of variation A2 and A3 was superior and reached maturity in a shorter time compared to the other treatments.
Inisiasi Pengolahan Air Embung dengan Teknologi Multimedia Filter (MMF) sebagai Solusi Air Bersih di Kabupaten Bojonegoro Arif, Chusnul; Kurniawan, Allen; Warsiki, Endang; Assiddiqi, Teuku Devan; Hasby, Ahmad Rijani
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 3 (2024): Agrokreatif Jurnal Ilmiah Pengabdian Kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.10.3.324-332

Abstract

Clean water and proper sanitation are fundamental human needs. Nganti Village, located in Ngraho Subdistrict, Bojonegoro Regency, faces significant drought and clean water shortages, particularly during the dry season. The water quality remains subpar despite the presence of springs and water reservoirs. Consequently, processing raw water from the village's reservoir can offer a viable solution. This service activity aims to harness water reservoirs as a clean water source through multimedia filter (MMF) technology. The activities, conducted from 2022 to the end of 2023, encompass four stages: socializing the program plans, constructing multimedia filters (MMF), installing the water treatment unit on-site, and evaluating water quality, followed by necessary follow-ups. The primary activities involve installing water treatment units with MMF technology in collaboration with village officials and the community. The treated water is then tested for quality at the IPB University laboratory. Test results indicate that MMF technology significantly improves water quality, reducing parameters such as Magnesium, Manganese, Calcium, Iron, and Phosphate by 25.8‒97.8%, thus meeting quality standards. However, some parameters, such as TSS, COD, and Zinc, still exceed quality standards, necessitating further processing. This advanced water treatment requires involvement from the local government, particularly in funding through community empowerment programs, to install advanced treatment units and provide operational support for these units.
Fertigation Scheduling in Hydroponics System for Cucumber (Cucumis sativus L.) Using Artificial Neural Network and Genetic Algorithms Suhardiyanto, Herry; Arif, Chusnul; Suroso, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 36 No. 1 (2008): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (63.676 KB) | DOI: 10.24831/jai.v36i1.1361

Abstract

A computer program for fertigation scheduling in a hydroponics system has been developed using Artificial Neural Network (ANN) and Genetic Algorithms (GA). The ANN model was used to establish the relationship between the environmental factors and outflow volume of fertigation in a hydroponics system for cucumber. The result showed that the predicted outflow volume agreed well with those of the measured values. The correlation coefficients (R2) between the predicted and measured values were 0.9673, 0.9432, and 0.8248 for vegetative, flowering and maturation stages, respectively. Optimum schedules for vegetative, flowering, and maturation stages were in a good coincidence at R2 of 0.8808 with the amount of fertigation required by the plants as calculated using the empirical method.   Key words :  System identification, optimization, plant water consumption, fertigation, hydroponics
OPTIMASI PEMBERIAN AIR IRIGASI TANAMAN MELON (Cucumis Melo L.) PADA SISTEM POCKET FERTIGATION DENGAN ALGORITMA GENETIKA Malik, Abdul; Arif, Chusnul
JURNAL SUMBER DAYA AIR Vol 19, No 1 (2023)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v19i1.825

Abstract

 Irrigating and fertilizing (known as fertigating) should be applied more effectively and efficiently. Pocket fertigation technology as an alternative fertigation was developed to achieve those purposes. The main challenge applied to the technology is to determine the optimum irrigation water. The objective of the study is to optimize irrigation water of the pocket fertigation, particularly in determining the optimal soil moisture during the growth stage by genetic algorithms. The method was developed based on one planting season of melon (Cucumis Melo L) cultivation under two different emitter of pocket fertigation with two different water irrigation regimes as well as the control. The treatments were pocket fertigation with textile layer emitter and wet irrigation (PK-H), textile layer emitter and dry irrigation (PK-L), emitter without layer and wet irrigation (PT-H), emitter without layer and wet irrigation (PT-L), and control with wet irrigation (PC-H) and dry irrigation (PC-L), respectively. The genetic algorithms model was developed with the objective function to achieve optimum fruit fresh weight and sweetness level. As the results, the optimum soil moisture is 0.34; 0.32; 0.31; 0.30; 0.26; 0.30; and 0.29 m3/m3 for every 9 days during the planting period. This value is thought to produce optimum fruit with a weight of 1115 g, a sweetness value of 8.6 brix, and increased water productivity of 27-46%. In addition, the pocket fertigation increased water productivity by 14,17% compared to without the pocket fertigation. Keywords: irrigation water,  genetic algorithm, pocket fertigation, water productivity  
Kaji Terap Fertigator Otomatis Nirdaya (FONi) pada Budidaya Aneka Terong (Solanum melongena) Fitry Hedianty, Riska; Indra Setiawan, Budi; Arif, Chusnul
Jurnal Keteknikan Pertanian Vol. 13 No. 3 (2025): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.013.3.499-512

Abstract

Water scarcity, intensified by climate change and pollution, necessitates innovative irrigation approaches to sustain agricultural productivity. The Automatic Unpowered Fertigator (FONi) represents a solution that integrates automation without electricity, using evapotranspiration-driven subsurface irrigation to deliver water and nutrients directly based on plant demand. Unlike conventional systems, FONi operates entirely without external energy input, offering a low-cost and sustainable alternative for smallholder farmers. Previous applications in various crops have demonstrated significant water savings and increased productivity, indicating its strong potential as a scalable technology for resource-limited agriculture.This study evaluated the performance of FONi in cultivating four eggplant varieties under greenhouse conditions in Bekasi City, an area facing increasing competition for water resources. Over a 118-day growing period, plant growth, water use, crop coefficients (Kc), and productivity were monitored. Results showed Kc values ranging from 0.1 to 1.8, reflecting dynamic water demand throughout plant development. The long purple variety attained the greatest height (99.8 cm), while pondoh and white varieties achieved higher water productivity (up to 4.0 g/L) and land productivity approaching 1,120 g/m². Total irrigation water use was 1,329.3 liters, with an overall application efficiency of 98.9%. These findings demonstrate that integrating FONi with appropriate crop selection provides an efficient and sustainable strategy to optimize water use and enhance yield, supporting precision agriculture and climate-resilient food systems in drought-prone regions.
Analisis water footprint pada budidaya pakcoy dengan sistem irigasi bawah permukaan pocket fertigation Putri Agustina Hotmatua Hutabalian; Chusnul Arif
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 186-194
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6680.186-194

Abstract

Limited water resource and the decrease in the plant productivity of the bok choy (Chinese white cabbage) causes the need for appropriate irrigation technology. Pocket fertigation, as an innovative irrigation technology, is develop from previous a ring irrigation system and it is expected to increase crop and water productivity. This study aims to analyze the water footprint of the bok choy plant using a pocket fertigation irrigation system with various scenarios, and to determine the optimal irrigation system. The research was conducted in April-June 2022 at Kinjiro Farm, Bogor City. The research steps included land preparation, data collection, data processing, and water footprint analysis. Irrigation scenario design is influenced by factors of pocket fertigation (P1) and conventional (P2) irrigation systems, as well as water supplied based onetime evaporation (A1) and two times evaporation rates. The total water footprint in scenarios P1A1, P2A1, P1A2, and P2A2 are 251.72 m3/ton, 231.56 m3/ton, 295.69 m3/ton and 222.16 m3/ton respectively with the highest irrigation efficiency occurs in the P2A1 scenario, so further development of pocket fertigation is needed to minimize the water footprint and increase water productivity.
Co-Authors , Suroso - Nurfaijah - Rudiyanto Abdul Malik Abdul Malik Adisti Pematasari Putri Hartoyo Adlan Adlan Ahmad Abdul Hafiidh Ahmad Fausan Ahmad Fausan Akhmad Arifin Hadi Alfarisy, Derys Andra Aliyah Baida Wiwiyanti Allen Kurniawan Andita Sayekti Andrianto Ansari Ardiansyah -- -- Ari Sugiarto Ariani Dwi Astuti Arien Heryansyah Arif Rahmat Arif Wibowo Arif Wibowo Assiddiqi, Teuku Devan Astri Salatin Badi’atun Nihayah Bayu Dwi Apri Nugroho Bayu Dwi Apri Nugroho Budi I. Setiawan Budi Indra Setiawan Caroline, Maharani Bilqist Chairunnisa, Nurul Deka Trisnadi Munarso Dzaki Nauval Eko Sulistyono Endang Warsiki Erizal , Fadila Suryandika Febrita, Joana Fitriani Nurhayatin Nisha Fitry Hedianty, Riska Hafiidh, Ahmad Abdul Handono, Setiyo Yuli Hanhan A Sofiyuddin Hanhan Ahmad Sofiyuddin Hanhan Ahmad Sofiyuddin Hasby, Ahmad Rijani Herry Suhardiyanto I Gede Pande Mahardika Pande Inigo Kila Adinatha Inigo Kila Adinatha Kevin Philips Barakati Khairul Azmi Lolly M. Martief Loppies, Rasendriya Arkananta Bhanu Maftukhah, Rizki Maharani, Puspa Mark L. Sibag Masaru Mizoguchi Masaru Mizoguchi Matsuda, Hiroshi Mizoguchi, Masaru Moh Yanuar J Purwanto Muhamad Askari Muhammad Didik Nugraha Muhammad Faiz Kahendran Muhammad Faiz Kahendran Muhammad fauzan Namira Dita Rachmawati Nisha, Fitriani Nurhayatin Nugraha, Muhammad Didik Nur Aini Iswati Hasana Nur Aini Iswati Hasanah Nur Aini Iswati Hasanah Nur Aini Iswati Hasanah Nurfaijah Nurfaijah Nurul Chairunnisa Oktari Ega Owen Jacob Notonugroho Owen Jacob Notonugroho P. Perdinan Pradha Wihandi Sinarmata Purwanto, M. Y. J. Purwanto, Moh Yanuar J Putri Agustina Hotmatua Hutabalian Putri, Yulvin Marhamah Rachmawati, Namira Dita Ratih Pratiwi Romadhonah, Siti rudiyanto Rudiyanto Rudiyanto Rudiyanto Rudiyanto, Rudiyanto Rusianto Safira Qisthina Ayuningtyas Salatin, Astri Saptomo, S. K. Satyanto Krido Saptomo Septian Fauzi Dwi Saputra Siti Romadhonah Slamet Widodo Slamet Widodo Sofiyuddin, Hanhan A. Sutoyo Sutoyo Sutoyo Sutoyo Suwardi Suwardi Suwarto, Fardzanela Syafitri Hidayati Syafriyandi, Debby Syamsiar, Syamsiar Tamura, Koremasa Tarissa Kristina Teuku Devan Assiddiqi Tri Sudibyo Umi Hapsari Wahyunanto Agung Nugroho Wahyunanto Agung Nugroho Willy Bayuardi Suwarno Yanuar Chandra Wirasembada Yudi Chadirin Yulvin Marhamah Putri Yusuf Wibisono