METHOD FOR DETECTING PLANT GROWTH AMOUNT, PLANT SENSOR, AND FERTILIZING APPARATUS

A scan using a pulsed distance measuring light with two wavelengths of which reflectances are different with respect to a content of a nitrogen by a laser scanner, the two wavelengths are separated, lights are received, a distance measurement value and a light amount are detected for each pulsed dis...

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Bibliographische Detailangaben
1. Verfasser:	AKIYAMA, Shugo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANIMAL HUSBANDRY APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS CATCHING, TRAPPING OR SCARING OF ANIMALS COLORIMETRY CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES FERTILISING FISHING FORESTRY HORTICULTURE HUMAN NECESSITIES HUNTING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS PLANTING RADIATION PYROMETRY RADIO DIRECTION-FINDING RADIO NAVIGATION SOWING TESTING TRAPPING WATERING
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Beschreibung
Zusammenfassung:	A scan using a pulsed distance measuring light with two wavelengths of which reflectances are different with respect to a content of a nitrogen by a laser scanner, the two wavelengths are separated, lights are received, a distance measurement value and a light amount are detected for each pulsed distance measuring light and for each of the two wavelengths, a height of a crop is detected based on the distance measurement value, a received light amount ratio of the two wavelengths is detected, and a growth condition of the crop is detected based on the detected height and the received light amount ratio.