| 摘要 |
<p>PROBLEM TO BE SOLVED: To visualize that soil dried to a desired degree and show it to a user.SOLUTION: A moisture indicator 1 for soil comprises: a body section 2 having an opening 5 for absorbing water formed in hollow with a material which does not pass through water and arranged around an end in a longer direction, openings 7 for transpiration arranged around the other end, and a display 6 provided around the other end and formed so that the inside of the hollow can be recognized visually; a water absorbing material 3 filling at least space from the opening for absorbing water to the display in the inside of the body section 2; and a water detection sheet 4 covering the water absorbing material 3 and provided at a position of the display 6 in the body section 2, and varying the color tone between an absorbing water state and dried state. A guide line 8 which is a reference of a depth to put in the soil should be provided in the body section.</p> |
