Diurnal changes in reflectance factor due to sun-row direction interactions.

V. C. Vanderbilt, J. C. Kollenkark, L. L. Biehl, B. F. Robinson, M. E. Bauer, K. J. Ranson

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

To investigate the changes in the spectral reflectance factor related to row direction, sun direction, soil background, and crop development stage, Purdue/LARS collected 2yr of data of row crop canopies of soybeans grown in planter boxes and placed on a turntable. The 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 spectral region do not. -Authors

Original languageEnglish (US)
Pages (from-to)499-508
Number of pages10
JournalPurdue University, LARS Technical Report
Volume090881
StatePublished - Jan 1 1981

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