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Evaluation for Blind Spots and Peripheral Vision

Aug 01, 2022

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1. What impacts the rear visibility of a person sitting in a tractor cab?

A. Operator's height

B. Whether or not the tractor has a cab

C. Sun/glare

D. If the person is sight-impaired

E. All of the above

2. What is the most common type of incident that occurs on the farm related to reduce peripheral vision?

A. Tractor rollover

B. Tractor runover

C. Crush injury

D. Power-take off entanglement

3. What is the normal maximum field of vision for most people?

A. 90 degrees

B. 200 degrees

C. 240 degrees

D. 300 degrees

4. How effective was this demonstration in helping you to understand the existence of blind spots in your peripheral vision?

Not very effective

Somewhat effective

Moderately effective

Very effective

Not sure

5. As a result of this demonstration, how likely are you to look more closely to your surroundings when operating a vehicle or equipment?

Not very likely

Somewhat likely

Moderately likely

Very likely

Not sure

Source : psu.edu

Video: Dr. Emerson Nafziger: Nitrogen Fertilizer Rates for Corn

The Crop Science Podcast Show, Dr. Emerson Nafziger from the University of Illinois breaks down decades of nitrogen research. From the evolution of N rate guidelines to how soil health and hybrid genetics influence nitrogen use efficiency, this conversation unpacks the science behind smarter fertilization. Improving how we set nitrogen fertilizer rates for rainfed corn is a key focus. Discover why the MRTN model matters more than ever, and how shifting mindsets and better data can boost yields and environmental outcomes. Tune in now on all major platforms!

"The nitrogen that comes from soil mineralization is the first nitrogen the plant sees, and its role is underestimated."

Meet the guest:

Dr. Emerson Nafziger is Professor Emeritus of Crop Sciences at the University of Illinois at Urbana-Champaign, with degrees in agronomy from Ohio State, Purdue, and Illinois. His research has focused on nitrogen rate strategies and crop productivity. He co-developed the Maximum Return to Nitrogen (MRTN) model, which is widely used across the Midwest. His research spans N response trials, hybrid interactions, crop rotation effects, and yield stability.