PURR Registry

Subject

Total is 99 Results

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.

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.

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 the threshold of early season spectral detection of soybeans, the spectral response of soybeans as a function of growth and amount of vegetation, and 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

Purdue Agronomy Farm Corn Moisture Stress (791801)

10.4231/R7DF6P5N

Craig S. T. Daughtry

04/22/2015

This experiment was a limited study of the effects of deficits in plant available moisture on the spectral characteristics of corn canopies.

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

Purdue Agronomy Farm Corn Nitrogen (791802)

10.4231/R7NZ85MC

Craig S. T. Daughtry

04/22/2015

The specific objectives of the experiment were to determine the threshold of spectral detection of nitrogen deficiency and to determine kind and magnitude of changes in reflectance and thermal response as a function of level of nitrogen nutrition.

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

Reference Panel Calibration (826201)

10.4231/R77942NS

Barrett F. Robinson

07/22/2015

Calibration test

Agriculture Barnes 12-1000 calibration Crop Science Crops Exotech 100 GE-DXW Lamp illumination LARS radiometer reflectance references Remote Sensing Soil Science spectral observations

Purdue Agronomy Farm Wheat Sun-View Angle (831802)

10.4231/R73J39X2

Craig S. T. Daughtry

07/27/2015

The purpose of this experiment is to characterize a wheat field by its reflectance at various view and illumination angles and by its physical and agronomic attributes.

Agriculture Barnes 12-1000 Crop Science Crops LARS radiometer Remote Sensing Soil Science solar illumination spectral observations Wheat

Purdue Agronomy Farm Corn Solar Radiation Intercepted (SRI) (831805)

10.4231/R7V122QR

Craig S. T. Daughtry

07/27/2015

The overall objectives of this research are the identification and measurement of corn crop canopy variables which are related to crop growth and final yield and relationships between those variables and remotely sensed canopy spectral reflectance.

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