PROBLEM TO BE SOLVED: To facilitate management of pasture grass.;SOLUTION: A pasture grass management system includes: a first physical quantity detection device for detecting first physical quantity information of pasture grass at reaping work by a grass cutter; a first position detection device for detecting a first machine position of the grass cutter; a second physical quantity detection device for detecting second physical quantity information of the pasture grass at forming work for collecting and forming the reaped pasture grass by a forming machine; a second position detection device for detecting a second machine position of the forming machine; and a database for storing the first physical quantity information of the pasture grass and the first machine position, and the second physical quantity information of the pasture grass and the second machine position.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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