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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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Water Footprint Analysis of Paddy Cultivation by Subsurface Irrigation in a Greenhouse I Gede Pande Mahardika Pande; Chusnul Arif
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol. 14 No. 1 (2023)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2023.014.01.1

Abstract

Water is one of the main elements that rice plants require to grow and develop. The problem related to agricultural land is the shift in the function of agricultural land to become non-agricultural land due to competition in water usage. The water footprint approach can assess the amount of water required for production or yields. This study aims to analyze the water footprint value of rice cultivation with various treatments of irrigations. The research was conducted at the Kinjiro Farm Greenhouse, Gunung Batu, Bogor, West Java from March to July 2022. There were three treatments of irrigation systems based on water level, flooded irrigation (IT) with the water level above the soil surface, wet irrigation (IB) with the water level parallel to the soil surface, and dry irrigation (IK) with the water level below the soil surface. The total water footprint obtained for all treatments during rice cultivation activities was 9.73 m3/kg. The water footprint values ​​of IT, IB, and IK were 1.92 m3/kg, 1.66 m3/kg, and 6.14 m3/kg, respectively. IB had the largest water productivity of  0.60 kg/m3. Wet irrigation (IB) had the highest growth of rice plants based on the parameters of average growth of rice plant height, number of leaves, rice tillers, productive tillers, and rice panicles. Therefore, wet irrigation (IB) is the most optimal irrigation system for rice cultivation in a greenhouse.
OPTIMASI PEMBERIAN AIR IRIGASI TANAMAN MELON (Cucumis Melo L.) PADA SISTEM POCKET FERTIGATION DENGAN ALGORITMA GENETIKA Abdul Malik; Chusnul Arif
JURNAL SUMBER DAYA AIR Vol 19, No 1 (2023)
Publisher : 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

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. abstrakIrigasi dan pemupukan (atau dikenal dengan fertigasi) perlu dilakukan lebih efektif dan efisien. Pocket fertigation merupakan teknologi alternatif yang dikembangkan dalam upaya mencapai hal tersebut. Tantangan utama dalam penerapan teknologi tersebut adalah penentuan pemberian air irigasi yang optimal. Penelitian ini bertujuan untuk menentukan pemberian air irigasi yang optimal pada pocket fertigation yang direpresentasikan dengan nilai kelembapan tanah optimal selama periode tanam dengan menggunakan Algoritma Genetika. Untuk mencapai tujuan tersebut, uji coba satu musim tanam dilakukan pada budidaya melon (Cucumis melo L) dengan dua desain emiter pocket fertigation, dua sistem irigasi dengan perlakuan kontrol. Secara detail perlakuan tersebut adalah pocket fertigation dengan penggunaan kain tekstil pelapis emiter dan irigasi basah (PK-H), dengan irigasi kering (PK-L), emiter tanpa kain dengan irigasi basah (PT-H), dan irigasi kering (PT-L) dan dua perlakuan kontrol tanpa emiter dengan irigasi basah (PC-H), dan irigasi kering (PC-L). Model optimasi algoritma genetika memiliki fungsi tujuan untuk mencapai bobot buah dan kemanisan optimum. Hasil optimasi menunjukkan nilai kelembapan tanah optimal sebesar 0,34; 0,32; 0,31; 0,30; 0,26; 0,30; dan 0,29 m3/ m3 pada setiap 9 harian selama periode musim tanam. Dengan kondisi Kelembapan optimal tersebut, hasil panen buah yang diproduksi memiliki bobot 1115 g, nilai kemanisan 8,6 brix dan peningkatan produktivitas air sebesar 27-46%. Pocket fertigation meningkatkan produktivitas air sebesar 14,71% dibandingkan tanpa pocket fertigation. Kata Kunci: algoritma genetika, pemberian air irigasi, pocket fertigation, produktivitas air
The Community's Dynamics Towards Clean Water Adequacy and Membrane Technology in Bojonegoro, Indonesia Setiyo Yuli Handono; Yusuf Wibisono; Wahyunanto Agung Nugroho; Chusnul Arif
HABITAT Vol. 34 No. 2 (2023): August
Publisher : Department of Social Economy, Faculty of Agriculture , University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.habitat.2023.034.2.20

Abstract

Fresh and clean water is an essential source of life. It can be supplied from the oceans, rivers, lakes, streams, and marshes. Nowadays, clean water availability has become a problem in several areas. Several problems usually occur, including the local ecosystem and air conditions, so they cannot be used properly. It is one area vulnerable to clean water availability. Meanwhile, UNESCO declares the community's right to clean water is 60 liters per person daily. This situation is the basis of research problems with the aim of (1) analyzing the problems and obstacles of the Nganti community towards water needs, (2) community responses to these problems and technology, and (3) the Nganti community strategies for now and future. The method used in this research was qualitative and descriptive. The key informants are the head of village, the head of the Clean Water Association, the head of Ngraho sub-district, the leader of community, and a survey of 40 Nganti-Ngraho residents. The data analysis used statistics descriptive and qualitative by using SMART method. The results show that the currently developed strategy was membrane technology, but the ultra-filtrated water was still turbid, requiring a more sophisticated membrane technology. The expected strategy is that local government institutions need to be directly involved to improve water quality.
The Effect of Nitrogen Fertilizer Based on Pocket Fertigation on Growth and Production of Tomato (Solanum lycopersicum L.) Bayu Dwi Apri Nugroho; Chusnul Arif; Yusuf Wibisono; Andrianto Ansari
AGRIVITA Journal of Agricultural Science Vol 45, No 3 (2023)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i0.3639

Abstract

The tomato (Solanum lycopersicum) is considered a significant horticultural crop in Indonesia and is widely consumed by the local population. It should be cultivated by more efficient water irrigation methods, such as pocket fertigation. This study aims to determine the effect of pocket fertigation-based nitrogen fertilizer treatment on the growth and yield of tomato plants. Three different treatments of fertilizers, including without chemical fertilizer as control (P0), 200 kg/ha of urea fertilizer (P1), and 200 kg/ha of ZA fertilizer (P2), are applied by utilizing pocket fertigation. The tomato plant is cultivated under 24-30oC of daily air temperature, 25.6-28.9oC of soil temperature, and 68-201 W/m² of solar radiation recorded by an automatic weather station. The results show that treatments do not significantly affectplant height, number of branches, root volume, number of fruits, fruit weight per plant, fruit color index, fruit hardness, Brix, and consumption index. However, P1 increases yield and fruit quality more efficiently, while P2effectively increases plant weight. Further research needs to regard the optimal dosage of Ureaand ZA in optimizing the yield and quality of fruits.
Kinerja Unit dan Isoterm Adsorpsi Filtrasi Multimedia Pada Sistem Resirkulasi Akuakultur Ikan Hias Berdasarkan Variasi Ketebalan Media dan Debit Aliran Tarissa Kristina; Teuku Devan Assiddiqi; Budi Indra Setiawan; Chusnul Arif; Allen Kurniawan
Jurnal Ilmu Lingkungan Vol 21, No 4 (2023): October 2023
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.21.4.933-945

Abstract

Limbah cair akuakultur memiliki kandungan bahan organik dan anorganik, seperti amonia dan nitrit, yang dapat menyebabkan pencemaran di badan air. Teknologi sistem resirkulasi akuakultur (RAS) dapat memberikan alternatif dengan memanfaatkan sumber daya air terbatas untuk mereduksi kontaminan organik air limbah akuakultur. Penelitian ini menggunakan kombinasi unit filter multimedia (FMM), filter karbon aktif (KA), dan nano membran (NF). Tujuan penelitian ini dirancang untuk menguji kinerja FMM, menentukan ketebalan media filter optimal, serta menentukan estimasi model isoterm adsorpsi sebagai penunjang aspek desain FMM. Enam kombinasi variasi ketebalan media zeolit (30, 60, 90 cm) dan debit aliran (22,5; 45 L/menit) digunakan untuk menguji kinerja unit. Penyisihan amonia dan nitrit berturut-turut sebesar 99,85% dan 100% lebih efektif terjadi pada ketebalan zeolit sebesar 90 cm dan debit 45 L/menit. Terkait beban biaya operasional FMM, efisiensi kedua parameter tersebut tidak diperlukan hingga mencapai optimal apabila dintegrasikan dengan unit CA dan NF. Berdasarkan analisis pemodelan isoterm adsorpsi, Model Langmuir (KL = 90,18 L/mg) untuk nitrit, serta Temkin (KT = 15,68 L/mg) dan Hasely (K= 0,45 L/mg) untuk amonia merupakan model terbaik untuk mengestimasi koefisien kapasitas adsorpsi. Nilai tersebut dapat digunakan untuk memprediksi konsentrasi nitrit dan amonia di efluen berdasarkan uji perfoma model dan analisis statistik. Aquaculture wastewater contains ammonia, nitrite, and other materials which can contribute to water pollution. Recirculation aquaculture system (RAS) technology offers an alternative approach by utilizing limited water resources to reduce organic contaminants. This research aimed to evaluate the performance of a multimedia filter (FMM), activated carbon filter (KA), and nano-membrane (NF) combination. The study focused on assessing FMM efficiency, determining the optimal filter media thickness, and selecting the appropriate adsorption isotherm model for FMM design. Six combinations of zeolite media thickness (30, 60, 90 cm) and flowrates (22.5; 45 L/min) were tested. The results showed that the highest removal efficiencies for ammonia (99.85%) and nitrite (100%) were achieved with a zeolite thickness of 90 cm and a flow rate of 45 L/min. Integrating FMM with CA and NF units can reduce operational costs without compromising efficiency. The Langmuir model (KL = 90.18 L/mg) for nitrite, and the Temkin (KT = 15.68 L/mg) and Hasely (K = 0.45 L/mg) models for ammonia were identified as the best fit models for estimating adsorption capacity coefficients. These coefficients can be used to predict nitrite and ammonia concentrations in the effluent based on performance testing and statistical analysis. 
Incorporating Inhibition Effects and Hydrolysis Biokinetics into the Mathematical Model of Anaerobic Fermentation Allen Kurniawan; Yanuar Chandra Wirasembada; Mark L. Sibag; Erizal Erizal; Chusnul Arif
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 1 (2024): March 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i1.26-40

Abstract

Anaerobic digestion is a well-known biological treatment process. It uses less energy, consumes fewer nutrients, converts organic pollutants into methane gas, and produces a small quantity of biomass. The interactions among the various microbes in this complex biological system need to be better understood, and as a consequence, mathematical models need to be revised. This review discusses the principles of biokinetic models published in the literature on anaerobic fermentation as part of the anaerobic digestion process for waste-activated sludge. Biokinetic models for anaerobic fermentation have been developed to predict cell growth, substrate consumption, and gas production. This exploration delves into the incorporation of the hydrolysis stage, a multi-step process entailing the breakdown of carbohydrates, proteins, and lipids within existing biokinetic models. Because there is no single analytical method for accurately determining the biokinetics of anaerobic fermentation of waste-activated sludge incorporating hydrolysis parameters and inhibition effects are proposed to improve the estimated trends of process variables as a function of the design variables.
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 Vol. 12 No. 2 (2023)
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.
Status Mutu Air Permukaan & Airtanah di Sekitar Aktivitas Penambangan Emas Tanpa Izin (PETI) Kecamatan Buntulia Kabupaten Pohuwato Provinsi Gorontalo Kevin Philips Barakati; Erizal Erizal; Chusnul Arif
Jurnal Ilmu Lingkungan Vol 22, No 2 (2024): March 2024
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.22.2.512-522

Abstract

Emas adalah salah satu logam mulia yang keberadaannya sangat menguntungkan. Kawasan Gunung Pani merupakan salah satu tempat di Provinsi Gorontalo yang mengandung kandungan emas yang cukup besar. Salah satu kegiatan masyarakat Kecamatan Buntulia yang memiliki potensi merusak lingkungan adalah penambangan emas tanpa izin (PETI). Penelitian ini bertujuan untuk (1) mengkaji aktivitas proses penambangan emas tanpa izin, (2) mengkaji tingkat pencemaran airtanah dan air permukaan akibat pertambangan emas tanpa izin di Kecamatan Buntulia. Metode yang digunakan adalah metode survei, pemetaan, wawancara, uji laboratorium dan penentuan Indeks Pencemaran. Penelitian ini dilakukan pengambilan sampel untuk enam air permukaan (sungai) dan tiga airtanah (sumur). Sampel air permukaan dan airtanah kemudian diuji di laboratorium dan parameternya berdasarkan regulasi yang diacu yaitu PP No.22/2021 Tentang Perlindungan dan Pengelolaan Lingkungan Hidup dan PerMenKes No. 32/2017 Tentang Persyaratan Kesehatan Air untuk Keperluan Hiegine Sanitasi. Penambangan emas oleh masyarakat yang terjadi di sekitar Kecamatan Buntulia sudah berlangsung sejak tahun 1990an. Aktivitas penambangan emas tanpa izin menggunakan alat berat untuk mengambil bahan galian mentah. Pengolahan emas dimulai dari penumbukan batu sampai penyaringan menggunakan air raksa (Hg) menjadi emas mentah. Aktivitas pengolahan emas di Kecamatan Buntulia menjadi salah satu penyebab terjadinya pencemaran lingkungan. Status kualitas air menunjukan bahwa semua sampel dari air sungai telah tercemar ringan sampai berat sedangkan untuk air sumur didapati telah tercemar ringan sampai sedang. Adapun saran yang dapat digunakan untuk upaya pengelolaan lingkungan yaitu meningkatkan inventarisasi dan identifikasi sumber pencemar air, menetapkan daya tampung beban pencemaran, dan meningkatkan pemantauan kualitas air sungai dan airtanah.
Model Biokinetika Sistem Kontak Stabilisasi Lumpur Air Lindi Berdasarkan Pengaruh Fosfor dan Variasi Waktu Detensi Unit Kontak Muhammad Faiz Kahendran; Owen Jacob Notonugroho; Chusnul Arif; Ariani Dwi Astuti; Allen Kurniawan
Jurnal Ilmu Lingkungan Vol 22, No 1 (2024): January 2024
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.22.1.28-42

Abstract

ABSTRAK Tempat pemrosesan akhir sampah menghasilkan air lindi dalam kuantitas besar sehingga membutuhkan alternatif unit pengolahan biologis, seperti kontak stabilisasi untuk mereduksi kontaminan. Penelitian ini bertujuan untuk mengevaluasi kinerja unit kontak berdasarkan variasi waktu detensi (HRT) pada kondisi aliran tidak tunak serta menentukan estimasi parameter biokinetika di dalam persamaan model pertumbuhan mikroorganisme. Penelitian diawali dengan mengkonfigurasi unit kontak stabilisasi, menganalisis parameter kualitas air limbah, dan memprediksi parameter biokinetika untuk memperkirakan kualitas air limbah. Validasi nilai biokinetika dilakukan dengan menggunakan metode matematis dan jaringan saraf tiruan (JST). Fungsi penggunaan JST dalam estimasi chemical oxygen demand (COD) efluen tangki kontak dapat dilakukan dengan cepat, memperkecil kesalahan perhitungan estimasi dengan metode matematis, serta bebas digunakan pada kondisi apapun. Berdasarkan hasil penelitian, persentase efisiensi COD pada masing-masing HRT unit kontak 2, 3, dan 4 jam berturut-turut sebesar 26,9%; 35,1%; dan 46,5%. Pengaruh biokinetika terhadap unit pengolahan unit kontak tidak hanya untuk memprediksi pengolahan air limbah, tetapi juga untuk merancang, mengoperasikan, dan mengontrol sistem pengolahan. Berdasarkan metode statistika, model estimasi konsentrasi COD efluen tangki kontak terbaik adalah model dari model JST. Akan tetapi, model ini hanya mengestimasi konsentrasi efluen tanpa memperhitungkan nilai biokinetika. Model Jerusalimski menjadi pilihan terbaik dibandingkan Model Ming untuk mengestimasi nilai biokinetika Ke, Y, μmax, dan Ks berturut-turut sebesar 0,025 hari-1; 28,25 mgMLVSS/mg COD; 3,4 hari-1; dan 21,46 mg/L berdasarkan pengaruh fossfor dan waktu detensi pada kondisi tidak tunak. Peningkatan konsentrasi fosfor di dalam proses pengolahan akan memengaruhi dekomposisi mikroorganisme di dalam biomassa untuk mengambil oksigen terlarut dalam jumlah besar sehingga pertumbuhan mikroorganisme terhambat.Kata kunci: biokinetika, fosfor, jaringan saraf tiruan, kontak stabilisasi, lindi, waktu detensi.ABSTRACT Landfills produce large quantities of leachate that pollutes the water system water pollution, requiring a contact stabilization treatment unit to reduce the high contaminant in the leachate. This study aims to evaluate the performance of the contact unit based on the variation of hydraulic retention time (HRT) under an unsteady state and to estimate the biokinetic parameters by using the microorganism growth model equation. The research was started by configurating the contact stabilization tank, analyzing the wastewater quality parameters, and predicting biokinetics parameters to estimate water quality effluent and design engineering. Biokinetic values were validated using mathematical methods and artificial neural networks (ANN). The function of using ANN in estimating of contact tank effluent chemical oxygen demand (COD) can be done quickly, minimizes estimation errors using mathematical methods and can be used in any condition. Based on research results, the percent removal of COD efficiency in each HRT contact tank of 2, 3, and 4 hours, were 26.9%; 35.1%; and 46.5%, respectively. The effect of biokinetics on contact tank treatment units is not only to predict wastewater treatment, but also to design, operate and control treatment systems. Based on the statistical analysis, the ANN model was the best model for estimating the contact tank effluent concentration. However, the ANN model provided the estimated effluent concentration without considering biokinetic values in detail. The Jerusalimski model is the best fit model compared to the Ming model to estimate the biokinetic values of Ke, Y, μmax, and Ks of 0.025 day-1, 28.25 mgMLVSS/mg COD, 3.4 day-1, and 21.46 mg/L; respectively, based on the effect of phosphorus and detention time in unsteady state. Increasing the phosphorus concentration in the treatment processing will affect the decomposition of microorganisms in the biomass to take up large amounts of dissolved oxygen until the growth of microorganisms is inhibited.Keywords: artificial neural network, biokinetic, contact stabilization, hydraulic retention time, leachate, phosporus
Optimasi Sistem Irigasi Bawah Permukaan untuk Peningkatan Produktivitas Tanaman dan Air dengan Algoritma Genetika Arif, Chusnul; Caroline, Maharani Bilqist
Jurnal Teknik Sipil dan Lingkungan Vol. 8 No. 2: Agustus 2023
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University and The Institut of ENgineering Indonesia (PII), Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.8.02.85-94

Abstract

Optimasi dalam sistem irigasi masih menjadi persoalan dalam budidaya tanaman hortikultura yang efektif dan efisien dalam penggunaan air. Penelitian ini bertujuan untuk menentukan sistem irigasi bawah permukaan dalam meningkatkan produktifitas tanaman dan air dengan metode algoritma genetika (AG). Untuk mendapatkan data optimasi, skenario sistem irigasi dibagi menjadi 3 tinggi muka air (TMA) pada bak kontrol, yaitu 13 cm (TMA1), 10 cm (TMA2) dan 7 cm (TMA3). Dari hasil observasi menunjukkan bahwa produktivitas air (WP) tertinggi terjadi pada TMA2 sebesar 1,60 kg/m3, diikuti oleh TMA 3 dan TMA 1. Akan tetapi, dari hasil pemodelan AG didapatkan bahwa TMA yang optimum adalah 12,8 cm, 7 cm, 7,2 cm pada fase awal, tengah musim dan akhir musim. Dengan skenario ini akan didapatkan WP sebesar 1,96 kg/m3, dimana nilai ini 22,5 % lebih besar dibandingkan WP pada skenario TMA2. Oleh sebab itu, untuk membuktikan hasil pemodelan ini, perlu dilakukan uji lapangan
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