PURR Registry

Genetic and environmental variation in alfalfa forage yield from variety testing experiments conducted in North America between 1986 to 1999

10.4231/QS1J-6J77

Daniel Wiersma , Jeffrey Volenec , Stanislav Pejša , Sylvie Brouder , Wayne G. Hartman

05/25/2023

The dataset contains data used to analyze genetic and environmental effects on alfalfa yield and agronomic performance. Data were compiled from alfalfa variety tests conducted by University researchers in the US and Canada from 1986 through 1999.

Agriculture Agronomy Alfalfa alfalfa_db Forage yield Genetic improvement Genotype x environment Germplasm Lucerne Medicago Variety testing

Dataset: Influence of phosphorus and potassium nutrition on alfalfa taproot reserve pools during cold acclimation in fall and initial growth in spring. Years 2002 to 2004. Throckmorton Purdue Agriculture Center.

10.4231/5BQ9-2V23

Jeffrey J. Volenec , Suzanne M. Cunningham , Sylvie M. Brouder , W. Kess Berg

08/13/2021

Concentrations of sugar, starch, protein, amino N, and RNA change in alfalfa taproots as plants acclimate for winter and when shoot growth resumes in spring. The direction and extent of these changes are altered by phosphorus and potassium...

Agriculture Agronomy Alfalfa Amino Acid growth Medicago Nonstructural carbohydrates Phosphorus Fertilizer Plant persistence Potassium Fertilizer Protein Roots Shoot growth Starch reserves Sugar reserves Winter hardiness Yield components

Combine Kart Truck GPS Data Archive

10.4231/XBG9-P763

James Krogmeier , Yaguang Zhang

12/09/2021

GPS data for agricultural vehicles collected during wheat harvesting.

Activity Recognition Agriculture Digital Agriculture Electrical and Computer Engineering Field Shape GPS Matlab Traceability Wheat Harvesting

Likely Extent of Agricultural Drainage in the U.S. Midwest

10.4231/NJTE-FA88

Ben Hancock , Benjamin Reinhart , Jane Frankenberger

03/11/2022

This dataset provides 30 m resolution raster layers of the likely extent of drained agricultural lands in the U.S. Midwest based on soil and land use, and a file geodatabase with tables summarizing the extent by state, county, and HUC8 watershed boundary.

Agricultural and Biological Engineering Agriculture Drainage Geographic Information Systems (GIS) gSSURGO soil Data Midwest National Land Cover Database Soil Drainage Class Water

Uniform Soybean Tests Northern Region 2020

10.4231/ZWFR-8Y15

Adam Nicholas Brock , Guohong Cai

05/09/2022

This dataset contains tables prepared for the 2020 Uniform Soybean Tests Northern Region Report.

Agriculture Agronomy Botany Botany and Plant Pathology Crop Science Plant Pathology Soybeans USDA-ARS

Uniform Soybean Tests Northern Region 2021

10.4231/8FTE-B575

Adam Nicholas Brock , Guohong Cai

05/09/2022

This dataset contains tables prepared for the 2021 Uniform Soybean Tests Northern Region Report.

Agriculture Agronomy Botany Crop Science Plant Pathology Soybeans USDA-ARS

Volume Measurement of Biological Materials in Livestock or Vehicular Settings Using Computer Vision

10.4231/NE9P-HC76

Dennis Buckmaster , Matthew B Rogers

08/25/2022

A Velodyne Puck VLP-16 LiDAR and a Carnegie Robotics Multisense S21 stereo camera were compared for use in dusty agricultural conditions in a dust chamber. Next, the stereo camera was used for volume measurements in a feed bunk and in a grain truck.

Agricultural and Biological Engineering Agriculture Computer Vision LiDAR opencv robot operating system ros stereo vision

Arequipa Peru Agricultural Soil Chemistry with pXRF and VNIR spectroscopy

10.4231/MFTM-QC39

Abigail Tomasek , Cliff T Johnston , Darrell G Schulze , Erika J Foster , Juan Lopa Bolivar , Lucia Zuniga , Martha Jimenez Castaneda , Martin Villalta Soto , Sabina Yeasmin , Timothy Filley , Walter D. Leon-Salas , Zachary Brecheisen

05/05/2021

Soil chemistry data for two agricultural areas: an irrigated desert in the Majes District and sites around the City of Arequipa. Data include soil wet chemistry (pH, EC, carbon, etc), and portable X-ray fluorescence and visible near infrared...

Agriculture Arequipa Nexus Institute EAPS Peru proximal spectroscopy soil chemistry soil health soil reflectance visible near infrared x-ray fluorescence