| 摘要 |
PROBLEM TO BE SOLVED: To provide a fully automatic watering device, sprinkling thoroughly at desired sprinkling positions without in unevenness in sprinkling irrespective to weather and installing conditions, sprinkling only to necessary positions for each of groups by measuring water content of each of the installed positions at each of desired times, capable of fertilizing for total area by using a liquid fertilizer-mixing device assembled in the device and freely designable from a simple type to a full scale type. SOLUTION: This watering device is provided by measuring water contents at positions for sprinkling with sensors at desired times, and electronically performing a control so as to stop water on reaching a water-feeding level set in advance. By one control box, it is possible to set all of necessary conditions, and it has a compact shape and distributes water by connecting distributing tubes for increasing its functionality. In the control box, a liquid fertilizer bottle is installed so that it is possible to freely adjust nutrition supply by mixing the liquid fertilizer simultaneously with the sprinkling. By using the system, it is possible to set up a watering device sufficiently enduring a long period of absence, its utilization value is widely improved and the number of users will become large.
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