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Journal : Serambi Engineering

Pertumbuhan Akar Anggrek Bulan Melalui Sistem Tanam Hidroponik dalam Smart and Aesthetic Greenhouse Ayu Ratna Permanasari; Harita Nurwahyu Chamidy; Robby Sudarman; Dianty Rosirda; Mochammad Machmud Rifadil; Wahyu Wibisono
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Hydroponic orchid (Phalaenopsis) growing is a modern agricultural technique that is growing in popularity due to its ability to produce high quality orchid plants with efficient use of resources. Hydroponics is an agricultural method that does not use soil media, but rather nutrient solutions specially formulated to meet the nutritional needs of plants. In orchid cultivation, hydroponics offers several advantages, including more precise nutrient control, a more sterile growing environment, and a reduced risk of soil-borne pests and diseases. The aim of this study was to investigate the effectiveness of the hydroponic method in orchid cultivation, focusing on vegetative growth, flower quality and the efficiency of water and nutrient use. The results of the study showed that orchids grown hydroponically had faster growth and better flower quality compared to conventional methods. The average growth of orchid roots in the aquaponic system was 2mm per week and the growth of orchid roots without hydroponics was approximately 1.3mm per week.
Design of a Rice Drying System Prototype Based on PLC Simatic S7-1200 Mochammad Machmud Rifadil; Suryono; Ferry Astika Saputra; Achmad Akhdanizar Rafli
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Rice drying in Indonesia generally still uses conventional methods by utilizing sunlight. However, weather changes often become obstacles, hampering the drying process. This research designed an automatic rice dryer based on PLC that uses PLN electricity as a power source and a heater as the heating element. The system is equipped with a sensor to monitor the moisture content of the rice so that the heater automatically turns off when the rice is dry. A DC motor is used as a drive to move the rice during the drying process. PLC programming is carried out using TIA Portal software with ladder diagram language. Based on testing for 33 minutes, the drying temperature increased from 30.7°C to 33.29°C, while the moisture content of the rice decreased from 21.20% to 13.54%, and the rice weight decreased from 1000g to 919g. These results indicate that the PLC-based drying system can control the rice drying process in a stable and effective manner. This tool is expected to be widely implemented on an agricultural scale to improve rice quality efficiently and reduce dependence on unpredictable weather conditions.