| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a seedling transplanter capable of accurately and uniformly fertilizing by a simple measuring method. <P>SOLUTION: The seedling transplanter includes: a travelling body 2 which travels in a field; a seedling planting part 4 disposed in the travelling body 2 for planting seedlings in the soil; a fertilizing device 5 which discharges a fertilizer to the soil from a fertilization guide 63 disposed in the front of the travelling body 2 from the seedling planting part 4; a pair of right and left detectors 71a disposed in right and left travelling wheels 10 disposed in the front of the travelling body 2 from the fertilization guide 63 to be plunged into the soil; a fertilizer concentration sensor 71 for detecting the concentration of fertilizer in the soil by detecting the electric resistance or electric conductivity between the detectors 71a; a control device 72 for changing the quantity of application of the fertilizer by the fertilizing device 5 based on data detected by the fertilizer concentration sensor 71; and a temperature sensor 73 for detecting the temperature of the soil. The data detected by the fertilizer concentration sensor 71 are corrected based on data detected by the temperature sensor 73. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
