Controlled environment with artificial lighting for hydroponics production systems.

This study was aimed to observe hydroponics plants and food production in a controlled environment that was developed using a controlled room equipped with an air conditioner, chiller, humidifier and artificial lighting. Air temperature, water temperature, relative humidity, pH of nutrient solution, electrical conductivity and light intensity inside the controlled environment were monitored daily using several sensors with and without plants grown in hydroponics system. Melon (Cucumis melo, cv Sakata) was cultivated and grown hydroponically. The effect of environment on plant growth was evaluated. Based on the results, air temperature inside controlled environment was between 23-26 o C and relative humidity was 60-80%. These values of air temperature and relative humidity inside controlled environment were suitable for growing plant material. Furthermore, environmental conditions (air temperature, relative humidity, water nutrition temperature, pH and dissolved oxygen in liquid nutrition of hydroponics) inside controlled environment could be maintain at optimum conditions for growing melon plant from seedling until 45 days after sowing. The hydroponic system inside controlled environment can be used for plant food production with optimal environmental conditions.