NASA NTRS · 19820015692
Diurnal changes in reflectance factor due to Sun-row direction interactions
Abstract
Over a two year period, data were collected regarding the canopies of soybeans grown in rows in planter boxes placed on a turntable in an effort to investigate changes in the spectral reflectance factor related to row direction, Sun direction, soil background, and crop development stage. Results demonstrate that the direction of rows in a soybean canopy can affect the reflectance factor of the canopy by as much as 230%. The results for the red spectral region tend to support the validity of canopy reflectance models; results for the infrared region do not.
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Bauer, M. E., Vanderbilt, V. C., Kollenkark, J. C., Biehl, L. L., Robinson, B. F., Ranson, K. J.. 1981-09-01. Diurnal changes in reflectance factor due to Sun-row direction interactions. https://ntrs.nasa.gov/citations/19820015692
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