| Summary: | This study assessed the effects of rainfall on soil physico-chemical properties (pH, moisture, temperature, Nitrogen value, Phosphorus value and Potassium value) of MD2 pineapple cultivation on marginal soil, and also investigated correlation between rainfall and soil physico-chemical properties based on IoT-based monitoring. Agromon Smart Agriculture and NPK Sensors (Agromon) that is equipped with a Sigfox-based wireless transmitter was used to provide real-time marginal soil properties data from an experimental MD2 pineapple field plot in UiTM Sarawak. Rainfall data between March and July 2021 for Samarahan Rainfall Station were obtained from Department of Irrigation and Drainage, Sarawak (DID). Soil properties data were transmitted from field plot gateway to the nearest Sigfox base station in Santubong, and subsequently to SATU dashboard server in order to be accessible to all users. Agromon demonstrated the capability of IoT system in monitoring selected soil properties across favored and unfavored weather conditions. Pineapple farmers can make timely and cost-effective farm operation decision anywhere to optimize plant vigor and therefore, improve yield.
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