The use of iot technology based on the forward chaining method to monitor the feasibility of rice field

Abstract

This study is aimed to implement a system based on the forward chaining algorithm to provide real-time information on irrigation and soil feasibility. There are three aspects studied, namely, water level, soil moisture, and temperature. The system developed uses an ultrasonic sensor as a water level detector, a soil moisture sensor as a soil moisture detector, and a DS18B20 sensor for measuring temperature. This system uses the ISP8266 module NodeMCU microcontroller as a Wi-Fi module and uses a solar cell to utilize the sun as an environmentally friendly power supply. Two tests were carried out, including laboratory testing and field testing. Laboratory testing shows that the system works with an accuracy of 57%. Tests were carried out on the three aspects studied. Meanwhile, field testing shows that some of the rice fields in Cekik Hamlet are not yet suitable for processing based on land feasibility. There are 8 paddy fields with an average area of 25 square meters, and they are named rice fields B, C, D, E, F, G, H, and I. The test results showed that the lands suitable for work are rice field B and rice field E. The feasibility value is measured based on water availability above 3 cm, wet soil moisture with a value of 300 or below 300, and a temperature below 25 degrees Celsius. Validation was obtained from farmers, the head of rice field irrigation (Prajuru Subak), and agricultural extension workers. It can be concluded that the system developed has been able to provide information on irrigation or water availability and the feasibility of cultivating the land in real-time.