Bob Hartzler

Titlesort iconIssue
Initial dates of weed emergence
Initial dates of weed emergence
Initial dates of weed emergence
Initial dates of weed emergence
Initial dates of weed emergence
Application timing for preemergence herbicides
Replant options following herbicide applications
Realistic expectations for herbicides
1998 Burndown herbicides for no-till
Factors influencing drift potential
New products and significant label changes
Effective management of postemergence programs
Late-season weed control
Malformed soybean leaves
Postemergence herbicide injury on crops
Drift injury to corn and soybean
Impact of Liberty on Liberty-Link corn stands
Dry soil surface may deter herbicide performance
Dry soil surface may deter herbicide performance
Roundup-Ready soybean and perennial weed control
Herbicide drift problems must be resolved
Now is the time to find new weeds
Realistic expectations for herbicide performance
Burndown herbicides for no-till
Pasture weed control
New extension weed bulletin available
New herbicide products for 1997
Timing applications of preemergence herbicides
Weed seed identification book available
Fall herbicide application: Risks versus benefits
Herbicide injury problems
The case of deformed soybean leaves
Postemergence options for soybeans
Waterhemp -- a major probem
Waterhemp poster available
Herbicide impact on replant options
Determine optimum time for postemergence herbicides
Spray additives for herbicides
Herbicide performance guarantee programs
Burndown treatments for no-tillage production systems
Selecting burndown options for no-till
Redroot pigweed, tall waterhemp, or Powell amaranth?
1994 Herbicide mixing guidelines
Timing herbicide incorporation
Water pH and herbicides
Horseweed: a no-till weed
Horseweed: a no-till weed
Volunteer corn control in 0/92 fields
Early preplant applications for no-till
EPA grants registration for acetochlor
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