John Hay
student, faculty
- Exten Educator Biological Systems Engineering University of Nebraska–Lincoln
Work
402-472-0408
On campus, dial 2-0408
QR Code for John Hay
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
Repair or Replace Inefficient Pumping Plants
October 27, 2008
Tom Dorn, UNL Extension Educator
Average potential net profit, after paying for repairs
$16.51 per acre per year for 20 years (Total $41,288)
$16.51 per acre per year for 20 years (Total $41,288)
The energy cost of operating a pumping plant depends on three variables:
Comparing Generic Versus Name Brand Herbicides
October 27, 2008
Darrel Siekman, Extension Educator
Lowell Sandell, Weed Science Extension Educator
IPM: As Important Now as Ever
October 27, 2008
Bob Wright, Extension Entomologist
Tom Hunt, Extension Entomologist
Managing Foliar Diseases of Winter Wheat with Fungicides – Treatment Criteria, Profitability and Products
November 14, 2008
Stephen N. Wegulo, Extension Plant Pathologist
Approximate Retail Price* of Selected Herbicides, Comparing 2008 & 2009
October 27, 2008
| Product |
2008 Price |
Leasing Decisions Need to be Considered Carefully for the Volatile Year Ahead
October 17, 2008
Negotiating fair and reasonable land leases may be especially challenging for landowners and tenants this year, says a UNL agricultural economist.
