Figure 1
The red circle inside Thailand map indicates Nakhon Si Thammarat province (left hand side) and another red circle inside Nakhon Si Thammarat map indicates Phrom Khiri (right-hand side) which is our study site.
Figure 2
The development stage of smart watering system.
Figure 3
A set of 6-valves in the smart watering system.
Figure 4
The water pipe system (6-valves in the smart watering system).
Figure 5
The 6-valves in the automatic water management system inside the mangosteen garden.
Figure 6
The microcontroller board used in the smart watering system.
Figure 7
Sensing system on the mangosteen tree.
Figure 8
The demonstration of the installation automatic watering system and water pipe in the mangosteen tree.
Figure 9
The demonstration of the watering inside the mangosteen canopy.
Figure 10
The complete process of smart watering system for controlling humidity inside mangosteen canopy.
Figure 11
Humidity (%) observed in ‘control’ and ‘automatic water management system’ at different times in a day.
Figure 12
The mean (±SE) humidity (%) in ‘control’ and ‘automatic water management system’. “*” indicates the significant difference (P <0.05).