John Hay
- Exten Educator Biological Systems Engineering University of Nebraska–Lincoln
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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
Bioenergy Crops in CropWatch
YouTube Channel: CropWatch Bioenergy
Allow Crops to Strengthen Roots, Access Nutrient and Moisture
Corn Disease Update: Scout for Stalk Rots in Corn
Sept. 3, 2010
Diseases have been common this year in Nebraska corn fields. Producers and crop consultants should continue to scout to monitor for development of stalk rots.
How Corn Plants Respond to Flooding
Heavy rains and overflowing creeks have caused some fields, particularly those in low-lying areas, to flood. In other fields, water may pond for a period after the rains, and then soak in, leaving producers to ask: How long can plants be underwater before they die?
If You Decide to Replant Corn, What Comes Next?
Crop Damage and Grower Loss: Addressing Both Fronts
July 1, 2010
The recent damage to crops from excessive rain, hail, and high winds has created many questions for growers. Unfortunately, the window to take corrective action is quickly closing or has passed, depending on the crop in question.
Flood Recovery Programs Available from USDA's Farm Service Agency
“Flooding and excess moisture, as well as hail and wind, have damaged land and caused crop and livestock losses in many parts of Nebraska and the Midwest,” noted Farm Service Agency State Executive Director Dan Steinkruger. “There are a number of actions under emergency programs that farmers, ranchers, and landowners should consider.”
Weed Control, Nitrogen Loss Among Challenges Facing Farmers with Soggy Field
June 23, 2010
Producers dealing with soggy fields will need to assess weed control and potential nitrogen loss after a very wet June in many parts of the state, UNL agronomists say.
Flood-plagued Farmers Need to Move Quickly but Carefully
June 21, 2010
Farmers contending with flooded fields from this month's storms need to assess their options quickly and carefully, say University of Nebraska-Lincoln experts.
While everyone's situation is different, the first step is simple: Contact your crop insurance agent as soon as possible, said UNL Extension Educator Keith Glewen.