John Hay
- Exten Educator Biological Systems Engineering University of Nebraska–Lincoln
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
SCN Sampling is Part Science, Part Art
Oct. 30, 2014
Recently a farmer asked how to take a good soil sample for soybean cyst nematode (SCN). This is a question we're getting asked more often, especially at this time of year.
There is both a science and an art to collecting good soil samples.
USDA Crop Production Report
Based on September 1 conditions, Nebraska's 2014 corn crop is forecast at 1.57 billion bushels, down 4% from last year, according to the USDA's National Agricultural Statistics Service. Nationally, both the corn and soybean crops would set new yield records if projections hold true.
Monitor Irrigation Data from Your Phone
July 31, 2014
This week UNL Extension released the Water Meter Calculator App as an aid in irrigation management.
As Crops Emerge Install ET and Soil Moisture Sensors
As growers complete corn and soybean planting, it's a good time to install Atmometers or ETgages as well as Watermark Sensors. We hope you won't need to irrigate for several weeks, but now is the time to begin making plans.
Bee Kill Reaffirms Need to Follow Pesticide Label Warnings - UNL CropWatch, July 26, 2013
July 26, 2013
Earlier this month there was a large bumble bee kill in Oregon involving a landscaper using a pesticide to control aphids in linden trees at a Target parking lot.