Datasets

subject: Crops subject: spectral observations

Total is 94 Results
Purdue Agronomy Farm Corn Nitrogen (781802)

10.4231/R7SQ8XBQ

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 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 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.

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 Moisture Stress (781801)

10.4231/R7J67DWZ

Craig S. T. Daughtry

04/22/2015

The purpose of this experiment was to examine the effects of moisture stress on the reflectance and radiant temperatures of corn.

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

South Dakota Intensive Test Site 1687 (781227)

10.4231/R7445JD5

Marvin E. Bauer

04/15/2015

The objective of this experiment was to provide a data set which can be used as an intermediate level of extrapolation between data collected from controlled experimental plots at field research stations and data collection by satellite scanners.

Agriculture Alfalfa barley Corn Crop Science Crops FSS Grass LARS oats Remote Sensing rye soil Soil Science solar illumination spectral observations spectrometer spring wheat winter wheat

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.

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.

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

Display #

Results 1 - 10 of 94