PREVENTION OF HOARFROST FORMATION IN OPEN CULTURE AND DEVICE OF PREVENTING FORMATION OF FOARFROST

PURPOSE:To prevent hoarfrost formation in open culture by a simple device by arranging a burner in cultivated land of crops, forming a pilot flame and producing air convection action based on gas combustion in reduction temperature of the open air. CONSTITUTION:A temperature sensor 8 consists of a t...

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Hauptverfasser:	NAKA MASAMITSU, SANO SETSUO, KAWATO TAMOTSU, KUROGOE OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED FISHING FORESTRY HORTICULTURE HUMAN NECESSITIES HUNTING TRAPPING WATERING
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent hoarfrost formation in open culture by a simple device by arranging a burner in cultivated land of crops, forming a pilot flame and producing air convection action based on gas combustion in reduction temperature of the open air. CONSTITUTION:A temperature sensor 8 consists of a thermister, a resistance thermometer bulb, etc. When temperature of the open air is dropped