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

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

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

Uniform Soybean Tests Northern Region 2018

10.4231/6MHS-FZ56

Gary Nowling , Guohong Cai

05/01/2019

This dataset contains tables prepared for the 2018 Uniform Soybean Tests Northern Region Report.

Agriculture Agronomy Botany Crop Science Soybeans USDA-ARS

Combined annual crop yields and daily weather data for Midwest counties 1970-2015

10.4231/5P9A-KQ03

Dennis Buckmaster , Elizabeth Bell , Madison Trout , Tyler Netherly

06/25/2019

This data contains daily temperature and precipitation data as well as annual corn, soybean, and wheat yields for Midwest counties from 1970 to 2015.

Agriculture Big Data Crop yield Statistics Weather Data

Potential Suitability for Subirrigation in the U.S. Midwest

10.4231/10ES-AH67

Benjamin Reinhart , Feng Yu , Jane Frankenberger , Jason Ackerson

11/08/2019

This series provides shapefiles showing the potential suitability, and limiting factors, for subirrigation in the U.S. Midwest based on gSSURGO soil data from the Natural Resources Conservation Service (NRCS).

Agricultural and Biological Engineering Agriculture Agronomy Drainage Geographic Information Systems (GIS) gSSURGO Irrigation Midwest Subirrigation Water Water Management

Monitored soil moisture and temperature in Indiana crop rotated field

10.4231/7NSM-JJ67

Keith A Cherkauer , Laura C Bowling , Stuart D Smith

12/18/2019

Soil moisture and temperature data were collected at five different depths from October 2017 to September 2019 in a crop rotated field.

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

Nitrous oxide emissions and field-level nitrogen balance of maize and other field crops: Data for meta-analysis

10.4231/DFB0-F030

Alison J. Eagle , Cameron M. Pittelkow , Claudia Wagner-Riddle , Craig F. Drury , David E. Pelster , Douglas R. Smith , G. Philip Robertson , Gustavo Cambareri , Martin H. Chantigny , Rex A. Omonode , Rodney T. Venterea , Sylvie M. Brouder , Timothy B. Parkin , Tony J. Vyn

09/14/2020

Dataset for meta-analysis establishing generalized relationship between N2O emissions and field-crop partial N balance. Quantifying on-farm N2O emissions for food-supply chains.

Agriculture Agronomy Greenhouse Gas Emissions Net Nitrogen Balance Nitrogen Nitrous Oxide row crops Surplus Nitrogen

Datasets describing monarch immature and adult performance when reared on milkweed host-plants varying in pesticides

10.4231/K9FH-7053

Ian Kaplan , Kayleigh Hauri , Michael E. Scharf , Paola Olaya-Arenas

08/18/2020

Files reporting data used in Olaya-Arenas et al 2020 study published in Scientific Reports on monarch performance when reared as larvae with varying pesticide types and concentrations.

Agriculture Entomology milkweed monarchs pesticides

Climate Time Series Analysis using R

10.4231/R77H1GTX

Margaret Gitau , Sushant Mehan

01/01/2019

Time series analysis of climate data using R

Agriculture Biological Engineering Climate Change Descriptive Statistics Extreme Event Analysis RStudio Statistical analysis Time Series Climate Data

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Total is 203 Results