John Hay

student, faculty
Graduate Student
Natural Resource Sciences
Work Chase Hall (CHA) 250
Lincoln NE 68583-0726
US
Work 402-472-0408 On campus, dial 2-0408
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icon-academic-capEducation

  • BS, University of Nebraska - Lincoln, 2001
  • MS, Texas A&M University , 2003

icon-chat-userCourses

  • ENSC 220, Introduction to Energy Systems, Spring 2022

icon-documentPublications and Other Intellectual Contributions

  • Leaching loss of N03-N and dissolved P from manure and fertilizer during turfgrass establishment, Plant Soil

icon-bookmark-starAwards & Honors

  • 2022 Nebraska Extension Team Award - Teaching and Learning , Nebraska Extension , 2022

Faculty Bio

Bioenergy Crops in CropWatch
YouTube Channel: CropWatch Bioenergy

Tan spot
Figure 1. Tan spot on a wheat leaf. (Photos by Stephen Wegulo)

After-harvest Wheat Disease Management Strategies for Reducing Losses in 2024

July 13, 2023
Strategies that can be used between now and planting winter wheat this fall to minimize losses due to diseases during next year’s growing season.

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Wheat variety test samples
Plant scientists Fatiha Bentata of Morocco and Intissar Zarrouk of Tunisia screened these wheat samples for resistance to root rot caused by the Fusarium fungus as part of greenhouse research at the University of Nebraska–Lincoln last fall. The scientists, visiting the university through the U.S. Department of Agriculture’s Scientific Exchanges Program, analyzed 13 wheat varieties grown in Nebraska for disease resistance. At left are non-inoculated control plants. At right is a soil mix inoculated with isolates of the Fusarium fungus. (Photo courtesy IANR Media)

Morocco Collaboration to Boost Wheat Research, Grad Study Opportunities

July 13, 2023
UNL researchers involved in a new international collaboration with Morocco hope to boost wheat disease research and strengthen prevention strategies against fungus-enabled wheat diseases.

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When planted in early July, sorghum-sudangrasses can produce three to four tons by early to mid-September. (Photo by Troy Walz/UNL Beef)

Annual Forage Options for July or August Planting

July 13, 2023
UNL Beef provides information on forage species selection and key management considerations based on desired use.

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Soy2023 ad

Nebraska to Host Cellular and Molecular Biology of the Soybean Conference

July 13, 2023
Industry experts from organizations across the U.S. are set to present their research insights on advancements in soybean genetics during the Aug. 10-13 conference.

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Soil Health School participants watch outdoor demo
UNL Extension Engineer Paul Jasa points out key outcomes of the Nebraska NRCS rainfall simulator to onlookers at the conclusion of the Nebraska Soil Health School on June 28.

Don’t Miss UNL’s Haskell Ag Lab Soil Health School

July 13, 2023
The final 2023 Nebraska Soil Health School will be Aug. 1-2, featuring numerous speakers and hands-on activities, and free attendance for all participants.

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Nebraska Soil Health School attendees listen to lecture
A participant at the Nebraska Soil Health School learns how to use the Munsell Soil Color Chart, an in-field tool useful for gauging the color characteristics of soil.

Nebraska Soil Health School Connects Farmers, Researchers, Conservationists and Ag Professionals

July 13, 2023
Attendees of the second Nebraska Soil Health School in North Platte heard the latest on fundamental soil health principles and research, and viewed numerous demos by UNL and NRCS experts. 

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Corn yield forecast map 2023

2023 Corn Yield Forecasts as of July 13

July 12, 2023
Although it is still too early to make strong inferences about end-of-season yields for irrigated corn, there is a relatively high probability for near-average yields for a majority of sites.

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Rainstorm over cornfield
Historical crop progress data for Nebraska is available at USDA.

Crop Progress: Crop Conditions Improve Following Widespread Rain

July 10, 2023
Nebraska crop conditions and topsoil moisture improved slightly across the board after last week's rainfall, and crop growth progressed near average pace for most crops.

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