Bredemeier et al., 2001 - Google Patents
Laser-induced chlorophyll fluorescence as a tool to determine the nitrogen status of wheatBredemeier et al., 2001
View PDF- Document ID
- 6715496617496511584
- Author
- Bredemeier C
- Schmidhalter U
- Publication year
- Publication venue
- 3rd. Europ. Conference Precision Agriculture
External Links
Snippet
Thc in vivo chlorophyll fluorescence cmitted from green plant tissues can bc takcn as a very powcrful instrument to obtain insight into the physiological status of plants. The rclationship betwecn the laser-induccd fluorescence intensity at 680 and 740 nm and the fluoresccncc …
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light
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