Design and performance analysis of industrial soil sensor for nutrients monitoring

Mohd Nazri, Nur Aliya Nazira (2024) Design and performance analysis of industrial soil sensor for nutrients monitoring. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

It has become evident that precision farming is vital as the methods of the contemporary agriculture change to maximize results. This paper, therefore, describes the design of a wireless soil nutrient sensing system comprising of a Soil Sensor, Temperature and Humidity Sensor (DHT11) and NodeMCU ESP32 microcontroller. Real time monitoring and data transfer to the cloud is done with the help of Blynk IoT platform. The soil sensor quantifies the nitrogen (N), phosphorus (P), and potassium (K) that is needed in an appropriate ratio to grow plants besides humidity, temperature and conductivity. The designed system uses the Blynk IoT platform allowing for real time monitoring and sending data to the cloud improving control and decision-making for farmers and agronomists. Comparative tests conducted on a cornfield at UTeM showed that system’s yield at six sites with different soil nutrient contents demonstrated systemic differences. Investigations in the future will be directed toward the refinement of the relevant sensors as well as the farther application of smart sensors in various agricultural areas with an emphasis on proper utilization of the fertilizers and farming technologies that would increase yields while reducing negative effects on the environment.

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