Design and implementation of an automatic irrigation and fertilization control system for greenhouses under the paradigm of Agriculture 4.0
DOI:
https://doi.org/10.59741/agraria.v19iSE1.6Keywords:
Agriculture 4.0, Fertigation, Greenhouse Automation, Crop MonitoringAbstract
Agriculture 4.0 is the new revolution in agriculture to face the current challenges, mainly due to population growth, scarcity of natural resources, climate change and food waste. A greenhouse normally produces more yield per square meter compared to open field cultivation, since the environmental conditions that determine crop yield are controlled, either manually or automatically. However, there are resources, such as water and fertilizers, that are not dosed efficiently, since their application is carried out empirically. This presents the design and implementation of a closed loop automatic control system following the paradigm of Agriculture 4.0. From the information of various sensors, the irrigation and fertilization of a greenhouse lettuce crop are automatically controlled. The information on the main variables that influence the crop is digitized and sent to the cloud (remote server) for storage and online analysis. The status of the various sensors and actuators can be consulted at any time by means of a mobile application, specially developed for this system. To test the performance of the control system, an experimental configuration is designed consisting of 4 treatments with Steiner fertilizer solution in concentrations of 50%, 75% and 100%, and one more only with water, each with 3 repetitions. The overall performance of the system proved to be efficient, regardless of the treatment.
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