FIELD: agriculture.
SUBSTANCE: device for measurement of soil hardness includes bed plate with fixators, stem and lever system. Stem is arranged of segments having various size and increasing in size as moving away from upper layer of soil. Spring unit is installed over stem as connected with metre, and arm of lever system lowers on it.
EFFECT: possibility to detect soil hardness with various composition structures by genetic horizons.
1 dwg
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|
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SU1034622A1 |
