Is Foliar Fertilization Useful to Supplement Pre-plant Fertilization
Foliar fertilization should be viewed as a complement of pre-plant fertilization or a 'rescue' treatment.
Integrated Crop Management News
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Crop Minute - Scouting Corn Fields
In the July 18, 2011 crop minute, Alison Robertson, ISU Extension plant pathologist, tells producers to begin scouting corn as tasseling and silking starts. She says to target scouting to fields with leaf diseases, low-laying fields and to fields planted with hybrids having a greater susceptibility to leaf diseases. She also gives advice on when to make fungicide applications.
Corn and “a Big Long Heat Wave on the Way”
By Roger Elmore and Elwynn Taylor, Department of Agronomy
Managing Glyphosate Failures
It will take a hoe or cultivator to manage escaped or herbicide-resistant watherhemp and horseweed at this time in the growing season.
Crop Damage Meeting July 19 at Marshall County Extension Office
The Marshall County extension office is hosting a July 19 crop damage meeting. ISU Extension and Centrol of Iowa agronomists, ISU Extension plant pathologist, FSA representative and crop insurance specialists will present and answer questions.
Corn and "a Big Long Heat Wave on the Way"
Both silking and tasseling have progressed rapidly this week with forecast of extremely high temperatures which creates a situation that may have a double impact on the crop.
The Effect of Spraying Fungicides at R1 or R3 on Soybean
Results of soybean fungicide trials at various locations in Iowa from 2008-2010, provide some answers to questions producers have about when or if to apply fungicides on soybeans in 2011.
Storm Damage Meeting Near Vinton
By Jim Fawcett, ISU Extension field agronomist
Crop Minute - Scout For Soybean Aphids
Statewide, now is the time to scout fields for soybean aphid.
Thoughts on Spraying Downed Corn with a Fungicide
Robertson provides some thoughts related fungicide application on downed corn that producers can consider as they make decisions related to damaged crops.