PURR Registry

We examined wild populations of cane toads near sugarcane fields in Florida and found evidence of demasculinization in both primary and secondary sexual traits in male toads. Males from sugarcane areas have reduced larynges than toads from the city.

Agriculture biological sciences cane toads Ecophysiology Endocrine disruptor Vocal cords

Wabash spectral-biogeochemical database

10.4231/R7000030

Indrajeet Chaubey , Jing Tan , Keith A Cherkauer

02/08/2017

This comprehensive spectral-biogeochemical database is developed for the Wabash River and the Tippecanoe River in Indiana, United States.

Agricultural and Biological Engineering Agriculture Biological Engineering Bottom properties Inherent optical properties Look-up table Wabash River Water Quality Water reflectance

Monitored soil moisture and temperature in Indiana crop rotated field

10.4231/FM0P-AJ03

Keith A Cherkauer , Laura C Bowling , Stuart D Smith

11/23/2020

Soil moisture and temperature data were collected at five different depths from October 2017 to September 2020 in a crop rotated field.

Agricultural and Biological Engineering Agriculture Environment Hydrology Indiana Soil Moisture Soil Temperature Time Series Climate Data

Ecuador Soil Illumination Angle (841902)

10.4231/R7T151MT

Carlos R. Valenzuela

07/28/2015

Ecuador Soil Illumination Angle Experiment

Agriculture Exotech 20C-SW GE-DXW Lamp illumination LARS Remote Sensing Soil Science soils spectral observations spectrometer

Purdue Agronomy Farm Sorghum Polarization (846401)

10.4231/R7PC309T

Vern C. Vanderbilt

07/28/2015

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

Agriculture Barnes 12-1000 Crop Science Crops LARS radiometer Soil Science solar illumination Sorghum