Bob Hartzler

Bob Hartzler is an extension weed specialist at Iowa State University. 

Latest from Bob Hartzler

Multiflora rose
Crops
Manage multiflora rose effectively in spring
byMeaghan Anderson, Bob Hartzler
Jun 2, 2021
2 Min Read
sprayer in cover crops field
Cover Crops
To terminate or not to terminate?
byBob Hartzler
Apr 22, 2021
2 Min Read

All from Bob Hartzler

Sprayer equipment working a field
Crop Protection
How dry soils affect preemergence herbicides
Apr 12, 2021
byBob Hartzler
Cotton
Use caution when spraying herbicide near endangered species
Mar 1, 2021
byPaul Kassel, Bob Hartzler
Palmer amaranth
Weeds
Metabolic resistance in Palmer amaranth
Feb 9, 2021
byBob Hartzler
Corn plants lie on the ground following a derecho storm near Polo, Illinois, on Aug. 10, 2020. The storm brought wind gusts o
Corn
VIDEO: Management of Volunteer Corn
Sep 22, 2020
byBob Hartzler
waterhemp
Weeds
Escaped weeds produce crop of seeds
Sep 9, 2019
byBob Hartzler
herbicide resistance marestail+in+soy.jpg
Weeds
What is a realistic goal for weed management?
Aug 14, 2019
byBob Hartzler
Harvest
Harvest weed seed control
Dec 17, 2018
byBob Hartzler
Weeds
Banner year for the weedy cukes
Aug 27, 2018
byBob Hartzler
Management
Herbicide drift in 2018: How are we doing?
Jul 10, 2018
byBob Hartzler
Management
Not all drift is created equal
Jul 21, 2017
byBob Hartzler
Management
A weed out of place
Jun 23, 2017
byBob Hartzler
Crop Protection
Think you know your pigweeds?
Jun 14, 2017
byBob Hartzler
Crop Protection
Preemergence herbicide options for planted soybean fields
May 25, 2017
byBob Hartzler
Crop Protection
Is 80% of Iowa waterhemp really resistant to Group 14 herbicides?
Feb 17, 2017
byBob Hartzler
Editor's Choice

Recommended

Recent Headlines
Aug 29 - Aug 31, 2023
Farm Progress Show annually hosts more than 600 exhibitors displaying new farm equipment, tractors, combines and farm implements; seed and crop protection products; and many additional farm supplies and services.
LEARN MORE
Subscribe to receive top agriculture news
Be informed daily with these free e-newsletters