RU1794401C
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Method for determining upright verdure biomass
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SU1665950A1
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Method and device for measuring height of vegetative cover
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SU1629781A1
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Device for sampling of soil
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SU1554820A1
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Method of identifying mass of root crops
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SU1502877A1
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Wind motor rotor
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SU1562766A1
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Gravimetric sorption meter of soil moisture
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SU1529048A1
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Photometer for measuring characteristics of vegetative cover
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SU1453276A1
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Device for measuring humidity of loose material
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SU1467470A1
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Method of remote analysis of humidity above ground biological mass of agricultural crops
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SU1489677A1
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Method of protecting plants from freeze
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SU1343247A1
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Field photometer transducer
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SU1349723A1
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Method and apparatus for measuring the height of plant cover
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SU1232953A1
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Device for evaluating condition of agricultural crops and pastures
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SU1264056A1
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Soil humidity capacity transducer
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SU1182275A1
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Method of determining characteristics of spectrophotometer
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SU1194323A1
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Method of diagnosis of winter crop injuries by low temperatures in winter time
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SU1143991A1
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Two-channel biometric photometer
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SU1089490A1
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Natural object spectral characteristic determination device
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SU1061096A1
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Method of determination of soil humidity in natural disposition
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SU1040372A1
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Device for investigating physical properties of soil
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