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All Journal Jurnal Keteknikan Pertanian Tropis dan Biosistem Jurnal Teknologi Pertanian Andalas
Rozaaq, Naufal Ilhamdi
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Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Mechanical Engineering

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Development of Nutrient Control System in Plant Factory based on Growth Phases of Romaine Lettuce (Lactuca sativa var. longifolia) Rozaaq, Naufal Ilhamdi; Eka Putri, Renny; Yanti, Delvi
Journal of Tropical Agricultural Engineering and Biosystems - Jurnal Keteknikan Pertanian Tropis dan Biosistem Vol. 12 No. 2 (2024): August 2024
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jkptb.2024.012.02.01

Abstract

Nutrient is one of the conditions controlled in a plant factory. Nutrient control must be based on the plant growth phase, but previous research has shown shortcomings in this area. This study aims to develop a nutrient control system in a plant factory based on the plant growth phase, specifically using Romaine lettuce. The research method used is the experimental method, with research stages including system design (controller modification, programming, and TDS sensor calibration testing) and system performance testing. The TDS sensor calibration test results showed an R² of 0.9999, indicating that the TDS sensor readings are very close to those of the TDS meter. The system performance test results showed that the developed system works well in controlling nutrient levels based on the growth phase of Romaine lettuce. The planting process lasted 30 days, from October 13, 2023, to November 11, 2023, with a total of 2,697 data points recorded by Antares. Nutrient requirements were adjusted per the growth phase of Romaine lettuce, with set points in the first to fourth weeks being 500 PPM, 600 PPM, 700 PPM, and 800 PPM, respectively. The average nutrient levels recorded in the first week were 518 PPM, 623 PPM in the second week, 721 PPM in the third week, and 820 PPM in the fourth week. The TDS sensor accuracy test results showed an R² of 0.9998, indicating that the TDS sensor performed well in controlling nutrient levels during the system testing, with an average TDS sensor reading error of only 1.17%. During the planting process, the total amount of nutrients added for each of nutrients A and B was 210.10 ml, with the total operating time of the control components being 314.34 seconds for each peristaltic pump of nutrients A and B.
EFEK SIKLUS FOTOPERIODE TERHADAP PERTUMBUHAN DAN BERAT BASAH SELADA ROMAINE (Lactuca Sativa Var. Longifolia) PADA SISTEM PFAL (PLANT FACTORY WITH ARTIFICIAL LIGHTS) Rozaaq, Naufal Ilhamdi; Putri, Renny Eka; Yanti, Delvi
Jurnal Teknologi Pertanian Andalas Vol 28 No 1 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.28.1.74-81.2024

Abstract

Plant factory with Artificial Lights (PFAL) merupakan tipe plant factory yang menggunakan LED (Light Emitting Diodes) sebagai sumber utama cahaya untuk mendukung pertumbuhan tanaman. Beberapa penelitian terdahulu umumnya hanya terfokus pada analisis pengaruh perbedaan intensitas cahaya atau lama penyinaran LED terhadap pertumbuhan dan perkembangan tanaman pada plant factory. Penelitian ini bertujuan untuk menganalisis pengaruh siklus fotoperiode terhadap pertumbuhan selada romaine yang ditanam pada sistem PFAL. Siklus fotoperiode yang diberikan pada penelitian ini perlakuan 1 (1 siklus, 14 jam terang/10 jam gelap), perlakuan 2 (2 siklus, 7 jam terang/5 jam gelap x 2) dan perlakuan 3 (4 siklus, 3,5 jam terang/2,5 jam gelap x 4). Siklus fotoperiode mempengaruhi pertumbuhan dan berat basah selada romaine, dimana perlakuan 1 dengan siklus fotoperiode yang lebih panjang memberikan hasil terbaik dengan rata-rata tinggi, panjang daun, lebar daun, jumlah daun dan berat basah masing-masing yaitu 21,46 cm, 17,69 cm, 9,72 cm, 12,73 helai dan 52,49 gram. Perlakuan 1 juga memberikan hasil rasio berat basah terhadap konsumsi energi listrik yang paling tinggi yaitu sebesar 28,05 gr/kWh sehingga perlakuan 1 lebih efisien dalam menghasilkan berat basah selada romaine per jumlah energi listrik yang digunakan dibandingkan dengan perlakuan 2 dan 3
Co-Authors Renny Eka Putri, Renny Eka Yanti, Delvi