Topdressing method and apparatus therefor
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United States of America Patent
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Jun 15, 2004
Grant Date -
N/A
app pub date -
Feb 15, 2000
filing date -
Mar 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of and apparatus for performing a topdressing operation on an agriculture field have been provided. The method comprises the steps of: individually and continuously taking pictures of crops planted on a field to obtain crop picture data; processing the crop picture data of each crop to investigate the growing state of each crop; performing a topdressing operation in view of the growing state of each crop. The apparatus comprises a movable main body such as a tractor; a topdressing device provided on the rear side of the movable main body; a video camera provided on the front side of the movable main body; a picture data processing computer adapted to process picture data fed from the video camera so as to measure the leaf size of each crop; a topdressing operation controlling computer adapted to produce a command to the topdressing device to control an amount of a fertilizer to be applied to a crop.
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Cited Art Landscape
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