Datasets

Subject
Type
Date

subject: Agriculture subject: Crops subject: LARS subject: radiometer creator: Craig S. T. Daughtry date: 2015

Total is 37 Results
Purdue Agronomy Farm Soybean Solar Radiation Intercepted (SRI) (841806)

10.4231/R76971HD

Craig S. T. Daughtry

07/28/2015

The test took place in 1984.   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 de...

Agriculture Barnes 12-1000 Crops Exotech 100 LARS radiometer Remote Sensing solar illumination Soybeans spectral observations

Purdue Agronomy Farm Grasses/Legumes (841807)

10.4231/R72J68SP

Craig S. T. Daughtry

07/28/2015

The plots of for experiment include eight species of grasses and legumes. The plot numbers and species correlation follow. Plots Species   41-44 Alfalfa 45-48 Brome Grass 49-52 Switch Grass 53-56 Big...

Agriculture Alfalfa Barnes 12-1000 big bluestem brome grass clover Crop Science Crops Exotech 100 LARS orchard grass radiometer Remote Sensing Soil Science solar illumination spectral observations switch grass tall fescue grass vetch

Purdue Agronomy Farm Soybean, Potassium, and Phosphorous (781804)

10.4231/R75X26VZ

Craig S. T. Daughtry

04/21/2015

The purpose of this experiment was to examine the effects of different levels of soil phosphorous and potassium on the reflectance and radiant temperatures of soybeans. Plots for data collection were selected from a long term experiment. Measurements of...

Agriculture Corn Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing Soil Science solar illumination spectral observations spectrometer

Purdue Agronomy Farm Soybean Management (781805)

10.4231/R7TH8JNF

Craig S. T. Daughtry

05/04/2015

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...

Agriculture Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing Soil Science solar illumination Soybeans spectral observations spectrometer

Purdue Agronomy Farm Corn Nitrogen (781802)

10.4231/R7SQ8XBQ

Craig S. T. Daughtry

04/22/2015

Nitrogen fertilization is one of the primary factors responsible for the increased yields in the United States in the past 15 years. Four levels of fertilization, 0, 67, 134, and 202 kg/hectare, providing a range from distinctly deficient to abundant have...

Agriculture Corn Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing Soil Science solar illumination spectral observations spectrometer

Purdue Agronomy Farm Corn Potassium and Phosphorous (781803)

10.4231/R7F769HT

Craig S. T. Daughtry

05/04/2015

The purpose of this experiment was to examine the effects of different levels of soil phosphorous and potassium on the reflectance and radiant temperatures of corn. Plots for data collection were selected from a long term experiment. Measurements of ref...

Agriculture Corn Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing Soil Science solar illumination spectral observations spectrometer

Purdue Agronomy Farm Corn Leaf Nitrogen (791812)

10.4231/R7X9287B

Craig S. T. Daughtry

05/04/2015

The test took place in 1979. 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 des...

Agriculture Corn Crop Science Crops LARS radiometer Remote Sensing Soil Science solar illumination spectral observations

Purdue Agronomy Farm Soybean Row Direction (791810)

10.4231/R7222RQ7

Craig S. T. Daughtry

05/04/2015

The objective of the experiment is to determine the effect of rows and row direction, variables in the area of cultural practices, on the reflective response of a soybean canopy as a function of azimuth and zenith sun angles. The design of the experiment i...

Agriculture Corn Crop Science Crops Exotech 100 LARS radiometer Remote Sensing Soil Science solar illumination spectral observations

Purdue Agronomy Farm Instrument Altitude (791811)

10.4231/R75T3HFN

Craig S. T. Daughtry

05/05/2015

The object of the experiment is to determine how the canopy reflectance varies as a function of height above the crop and, particularly, what minimum height is needed to acquire repeatable reflectance measurements. Data were acquired on three canopies, mat...

Agriculture Corn Crop Science Crops Exotech 100 LARS radiometer Remote Sensing Soil Science solar illumination Soybeans spectral observations

Purdue Agronomy Farm Soil Background (791807)

10.4231/R74X55R1

Craig S. T. Daughtry

04/22/2015

The purpose of this experiment was to determine the effects of soil background (soil color, soil moisture, soil roughness) on the spectral response of corn. The treatments were: 2 surface moisture levels (moist and dry) 2 surface tillage conditions...

Agriculture Corn Crop Science Crops Exotech 100 LARS radiometer Remote Sensing Soil Science solar illumination spectral observations

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