Devyatkin slate method for growing carrots and device for its implementation
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Method for spring planting of plants under thick heat-insulating layer of non-ground mulch and device for carrying out said method by devyatkin v. d.
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Pot method of growing large root crops, based on carrots, by devyatkin
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Devyatkin ball-shaped air temperature self-regulating valve for soil heating under bedrock soils
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Devyatkin solar heating of subsoil in high groundwater level
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Method of devyatkin of heat-air self-regulated all-year heating of subsoil layer of fields during thermal land reclamation
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Artificial worm for ice-fishing by v_ d_ deviatkin
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Devyatkin device and method for planting multi-month seedlings at the beginning of fruiting for areas with short climatic summer
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Nesting box for earthworms by devyatkin
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Relic incubator -altitude test chamber - device and method for application
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Seedbed formation device and method by devyatkin
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Water floating single-axis folding self-propelled road high-capacity ground-compacting compactor with adjustable area of contact and stepless regulation of motion speed, frequency and direction of oscillations, and variants of its application
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V d devyatkin's method and device for setting net under ice
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V. d. devyatkin's fyke net for fishing live bait all year round
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V.d. devyatkin's method and device for growing seedlings under pressure
