Datasets

Subject
Type
Date

subject: Agriculture subject: Crops creator: Craig S. T. Daughtry

Total is 46 Results
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

Purdue Agronomy Farm Calibration (791808)

10.4231/R7Z899C5

Craig S. T. Daughtry

05/05/2015

This calibration 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 fi...

Agriculture calibration Crop Science Crops Exotech 20C-SW LARS reflectance references Remote Sensing Soil Science solar illumination spectral observations spectrometer

Purdue Agronomy Farm Other Crops (791809)

10.4231/R7K07263

Craig S. T. Daughtry

05/05/2015

The purpose of this experiment was to obtain data for crops other than corn, soybeans, and winter wheat which may have similar spectral characteristics. The other crops plots were those used by other researchers at the Agronomy Farm which were near the cor...

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

Purdue Agronomy Farm Corn Leaf Blight (791805)

10.4231/R7PR7SXQ

Craig S. T. Daughtry

05/04/2015

The purpose of this experiment was to investigate the effects of a non-systematic fungus disease, southern corn leaf blight (Helminthosporium maydis), on the multispectral reflectance and radiant temperature of corn. Southern corn leaf blight is an example...

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

Purdue Agronomy Farm Winter Wheat (791806)

10.4231/R7639MPC

Craig S. T. Daughtry

04/06/2015

The purpose of this experiment is to investigate the effects of disease and nitrogen fertilization on the spectral and agronomic characteristics of winter wheat. There were three nitrogen fertilizer rates (0, 46, and 92 kg/hectare), and three disease treat...

Agriculture Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing soil Soil Science spectral observations spectrometer winter wheat

Purdue Agronomy Farm Corn Cultural Practices (791803)

10.4231/R72B8VZN

Craig S. T. Daughtry

04/06/2015

The objectives of this experiment are to determine (1) the threshold of early season spectral detection of corn, (2) the spectral response of corn as a function of growth and amount of vegetation, and (3) the effect of soil background differences, particul...

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

Purdue Agronomy Farm Soybean Cultural Practices (791804)

10.4231/R79W0CDB

Craig S. T. Daughtry

04/06/2015

The objectives of this experiment are to determine (1) the threshold of early season spectral detection of soybeans, (2) the spectral response of soybeans as a function of growth and amount of vegetation, and (3) the effect of soil background differences,...

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

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