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1. 

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

   2023-05-25 20:10:11 | Datasets | Contributor(s): Daniel Wiersma, Wayne G. Hartman, Stanislav Pejša, Sylvie Brouder, Jeffrey Volenec | doi:10.4231/QS1J-6J77

   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.

   https://purr.purdue.edu/publications/3518

2. 

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

   2022-08-25 13:22:31 | Datasets | Contributor(s): Matthew B Rogers, Dennis Buckmaster | doi:10.4231/NE9P-HC76

   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.

   https://purr.purdue.edu/publications/4111

3. 

   Uniform Soybean Tests Northern Region 2021

   2022-05-09 19:22:43 | Datasets | Contributor(s): Adam Nicholas Brock, Guohong Cai | doi:10.4231/8FTE-B575

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

   https://purr.purdue.edu/publications/4037

4. 

   Uniform Soybean Tests Northern Region 2020

   2022-05-09 19:22:56 | Datasets | Contributor(s): Adam Nicholas Brock, Guohong Cai | doi:10.4231/ZWFR-8Y15

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

   https://purr.purdue.edu/publications/4036

5. 

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

   2022-03-11 14:59:32 | Datasets | Contributor(s): Jane Frankenberger, Benjamin Reinhart, Ben Hancock | doi:10.4231/NJTE-FA88

   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.

   https://purr.purdue.edu/publications/3966

6. 

   Combine Kart Truck GPS Data Archive

   2021-12-09 17:28:06 | Datasets | Contributor(s): Yaguang Zhang, James Krogmeier | doi:10.4231/XBG9-P763

   GPS data for agricultural vehicles collected during wheat harvesting.

   https://purr.purdue.edu/publications/3083

7. 

   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.

   2021-08-13 20:15:53 | Datasets | Contributor(s): W. Kess Berg, Suzanne M. Cunningham, Sylvie M. Brouder, Jeffrey J. Volenec | doi:10.4231/5BQ9-2V23

   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...

   https://purr.purdue.edu/publications/3849

8. 

   Arequipa Peru Agricultural Soil Chemistry with pXRF and VNIR spectroscopy

   2021-05-05 13:27:52 | Datasets | Contributor(s): Erika J Foster, Sabina Yeasmin, Lucia Zuniga, Zachary Brecheisen, Abigail Tomasek, Martha Jimenez Castaneda, Walter D. Leon-Salas, Juan Lopa Bolivar, Darrell G Schulze, Martin Villalta Soto, Cliff T Johnston, Timothy Filley | doi:10.4231/MFTM-QC39

   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...

   https://purr.purdue.edu/publications/3780

9. 

   Laryngeal demasculinization in wild Cane Toads varies with land use

   2021-03-04 18:04:05 | Datasets | Contributor(s): Sara Zlotnik, Marcos Gridi-Papp, Ximena E Bernal | doi:10.4231/VWVS-M579

   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.

   https://purr.purdue.edu/publications/3650

10. 

    Monitored soil moisture and temperature in Indiana crop rotated field

    2020-11-23 17:35:03 | Datasets | Contributor(s): Stuart D Smith, Keith A Cherkauer, Laura C Bowling | doi:10.4231/FM0P-AJ03

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

    https://purr.purdue.edu/publications/3313

11. 

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

    2020-09-14 12:15:46 | Datasets | Contributor(s): Alison J. Eagle, Sylvie M. Brouder, Gustavo Cambareri, Craig F. Drury, Timothy B. Parkin, Douglas R. Smith, G. Philip Robertson, Rodney T. Venterea, Claudia Wagner-Riddle, Cameron M. Pittelkow, Rex A. Omonode, Tony J. Vyn, David E. Pelster, Martin H. Chantigny | doi:10.4231/DFB0-F030

    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.

    https://purr.purdue.edu/publications/3557

12. 

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

    2020-08-18 20:02:42 | Datasets | Contributor(s): Paola Olaya-Arenas, Kayleigh Hauri, Michael E. Scharf, Ian Kaplan | doi:10.4231/K9FH-7053

    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.

    https://purr.purdue.edu/publications/3563

13. 

    Alfalfa Variety Trial Database, 1986-1999

    2020-07-08 14:12:43 | Datasets | Contributor(s): Daniel Wiersma, Wayne G. Hartman, Stanislav Pejša, Sylvie Brouder, Jeffrey Volenec | doi:10.4231/PHKH-4334

    An archived copy of the Alfalfa Variety Performance Database originally compiled in 2000 by Daniel W. Wiersma and Wayne G. Hartman. It contains data on yield, quality, and plant stand for over 2900 varieties from 700+ experiments conducted from...

    https://purr.purdue.edu/publications/3392

14. 

    Archived standard tests to characterize stress tolerance and agronomic performance of alfalfa cultivars

    2020-07-08 14:11:14 | Datasets | Contributor(s): North American Alfalfa Improvement Conference, Stanislav Pejša, Jeffrey Volenec | doi:10.4231/N24B-MV16

    The dataset contains standard test protocols used to characterize alfalfa cultivars compiled by the The North American Alfalfa Improvement Conference.

    https://purr.purdue.edu/publications/3534

15. 

    Data Sets for: Quantifying the Impacts of Compound Extremes on Agriculture and Irrigation Water Demand

    2020-06-30 12:53:31 | Datasets | Contributor(s): Iman Haqiqi, Danielle Grogan, Thomas Hertel, Wolfram Schlenker | doi:10.4231/0M14-EY38

    Metrics of heat stress, water stress, and compound extremes for agriculture for US counties for 1981-2015.

    https://purr.purdue.edu/publications/3508

16. 

    Metadata for alfalfa varieties and experimental lines 1986 to 1999

    2020-06-15 18:20:27 | Datasets | Contributor(s): Daniel W. Wiersma, Wayne G. Hartman, Stanislav Pejša, Sylvie Brouder, Jeffrey Volenec | doi:10.4231/FMY9-6966

    A compiled dataset of the metadata for alfalfa varieties and experimental lines from the Alfalfa Variety Performance Database 1986 to 1999.

    https://purr.purdue.edu/publications/3515

17. 

    A global dataset of agricultural experiments quantifying organic amendment impact on soil carbon

    2020-06-08 15:40:43 | Datasets | Contributor(s): Erika J. Foster, Courtland Kelly, Timothy Filley | doi:10.4231/ABA8-6762

    This database represents 62 field experiments that assess the impact of organic amendments on soil carbon fractions. The data include a set of moderators, such as climate, edaphic factors, and farm mangement details, and the soil C response...

    https://purr.purdue.edu/publications/3428

18. 

    Uniform Soybean Tests Northern Region 2019

    2020-04-30 20:27:38 | Datasets | Contributor(s): Gary Nowling, Guohong Cai | doi:10.4231/ASQG-CG68

    This dataset contains tables prepared for the 2019 Uniform Soybean Tests Northern Region Report.

    https://purr.purdue.edu/publications/3416

19. 

    Potential Suitability for Subirrigation in the U.S. Midwest

    2019-11-08 16:10:35 | Datasets | Contributor(s): Feng Yu, Jane Frankenberger, Jason Ackerson, Benjamin Reinhart | doi:10.4231/10ES-AH67

    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).

    https://purr.purdue.edu/publications/3263

20. 

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

    2019-06-25 16:37:42 | Datasets | Contributor(s): Tyler Netherly, Madison Trout, Elizabeth Bell, Dennis Buckmaster | doi:10.4231/5P9A-KQ03

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

    https://purr.purdue.edu/publications/3046