Datasets

subject: Crop Science subject: spectral observations

Total is 97 Results
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.

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.

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

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.

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 specific objectives of the experiment were to determine the relationship of disease severity level to the spectral characteristics of corn.

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.

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

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Results 1 - 10 of 97