Purdue Agronomy Farm Soybean Management (781805)

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By Craig S. T. Daughtry

The purpose of this experiment was to examine the effect of important cultural/management practices on the reflectance of soybeans.

Additional materials available

Version 1.0 - published on 04 May 2015 doi:10.4231/R7TH8JNF - cite this Archived on 25 Oct 2016

Licensed under CC0 1.0 Universal

Description

The purpose of this experiment was to examine the effect of important cultural/management practices on the reflectance of soybeans. The treatments (cultural practices) included row width, cultivar, and population. Measurements were made at approximately 10 day intervals throughout the growing season with the Exotech 100 Landsat band radiometer. Radiant temperatures of the crop canopies were also measured.

Agronomic characterizations of the canopies included: leaf area index, biomass, percent soil cover, height, development stage, and grain yield. Vertical and oblique photographs were also taken of the canopies.

  • The Exotech 20C-SW data file is 781805.001.txt
  • The Exotech 100 data file is 781805.051.txt

The test took place in 1978.

The supporting docs include a brief summary of used instruments, a wavelength table (Wavelength_ASCII.txt), reflectance note and reflectance tables (ReflectanceTable206.txt and ReflectanceTableMulti.txt), and file format description (ExperimentDataFormat3.txt). The format description file is in ASCII format in lines of 80 characters.

This research dataset is part the Field Research Data Library that consists of over 200,000 spectral observations of soils and vegetation that have been collected since 1972 till 1991 as part of the research focused on vegetation and soils at the Laboratory for Applications of Remote Sensing (LARS) located at the Purdue University.

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Notes

  • Location: Purdue Agronomy Farm, West Lafayette, IN
  • County: Tippecanoe
  • Latitude/Longitude: 0402813N 0865927W
  • Illumination: Solar
  • Spectrometer: Exotech 20C-SW (Wavelength Range: 0.40-2.40 um)
  • Landsat MSS Band Radiometer: Exotech 100 (Wavelength Range: 0.50-1.10 um)
  • Experiment Type: Crops - Soybeans
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