PURR Registry

Biological, chemical and flow characteristics of five river sampling sites in the Wabash River watershed near Lafayette, Indiana – 2009.

10.4231/R7CC0XM3

Megan Heller Haas , Ronald F. Turco , Sara Peel

03/10/2014

Water quality data collected from the Lafayette area watershed in 2009. There are five samples sites located on Little Pine Creek, Elliot Ditch, Little Wea Creek and two sites on the Wabash River.

Agronomy Algae Ammonia Crop Science Discharge Dissolved Oxygen Elliot Ditch Enterococci Escherichia coli Flow Forestry and Natural Resources Indiana Lafayette Little Pine Creek Little Wea Creek Orthophosphate pH Soil Science Specific Conductivity Temperature Total Coliforms Turbidity Wabash River Water Quality Watershed

Phosphorus and Potassium Influence on Alfalfa Nutrition

10.4231/D3251FJ7S

Jeffrey J. Volenec

02/22/2012

Data from several studies on the influence of phosphorus and potassium nutrition on alfalfa. It includes numeric data such as yield, plant mass, plant counts, and tissue concentration of various nutrients

Agronomy Crop Science Forage legumes Nutritive value Soil Fertility Soil Science Winter hardiness Yield components

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