FIELD: agriculture.
SUBSTANCE: invention relates to agricultural machinery and can be used in forestry when measuring height of tree, as well as for measurement of crown width of growing trees. Device consists of two plates with length 200 mm, having at least one pointed end, and with calibrated holes with diameter of 2 mm, located at distance 25, 32, 40, 50, 60, 68 mm from edge of plates, wherein one of plates has l-like shape on wide part of which there is measuring scale.
EFFECT: such design provides wide range of equipment at measurement of tree height and width of their crown, compactness and versatility of device.
1 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2160425C1 |
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RU2540557C2 |
| 0 |
|
SU54873A1 | |
| METHOD OF CONSTRUCTING ELECTRONIC CARD OF SUBCOMPARTMENT OR PLOT | 2007 |
|
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