| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a chemical spray device which can be easily attached to a seeding machine or transplanter for general purposes, and can prevent chemicals from being sprayed due to improper operation. <P>SOLUTION: The chemical spray device 1 sprays chemicals in an agricultural field at the rear of the seeding machine 11. The chemical spray device includes a rotation sensor 7 for detecting the rotation of a soil packing wheel 26 of the seeding machine 11, starts spraying the chemicals when the rotation sensor 7 keeps detecting the rotation during the predetermined start waiting time while the spray of the chemicals is stopped, and stops the spray of the chemicals when the rotation sensor 7 does not detect the rotation during the predetermined start waiting time while the chemicals are sprayed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
