Iowa and Missouri Agronomic Minutes

Wet Windy Weather!

In this episode, Andy and Tyler discuss the effect that excess moisture and windy weather may have on corn, and spaying soybeans in hot humid weather. 
 

Crappy Corn Syndrome

Ever wonder why corn look so bad right now? Andy and Tyler discuss the crappy corn syndrome that shows up with corn is in the V4-V5 stage and what to do about it. 

Nitrogen and Adjuvant Spraying Decisions

In this episode, Andy and Tyler discuss corn nitrogen needs based on Response to Nitrogen scores. The Response to Nitrogen Scores of various hybrids can be found here. https://portal.winfieldunited.com/Public/Document?article=5630df06-1486-471d-814b-395909dbc4a7 We also discuss when to change adjuvants to reduce crop response with post herbicide recommendations. 

V3-V6 Micronutrients for Corn

In this episode, Mitch and Tyler discuss some the common micronutrient deficiencies in corn and strategies for managing through these deficiencies. This tech bulletin goes through the important things to consider when making recommendations on high yield corn for corn that is in the V3-V6 growth stages https://portal.winfieldunited.com/Public/Document?article=0fd20200-b3c5-4625-9ee3-3561b87f95a3
 

To Much of a Good Thing!

Across Iowa and Missouri many areas have received excess rainfall. In this episode, Tyler and Andy talk about how long corn and soybeans can survive under water logged soils, and what to expect with nitrogen and sulfur losses during this time. Also here are a couple of articles that could help you have better discussions with farmers. 
Nitrogen-Estimating Nitrogen Losses in Wet Corn Fields | Integrated Crop Management (iastate.edu)
Planting Maturity Dates- https://portal.winfieldunited.com/Public/Document?article=ba69acad-5b3b-474d-bdba-fd2f84d60d23 

Should I replant?

In this episode of the Iowa/Missouri Agronomic Update Podcast Andy and Tyler talk about making replant decisions along with how to best kill off a failed stand. This Tech Bulletin is a great guide to help with replant decisions! https://portal.winfieldunited.com/Public/Document?article=f89ac621-75ad-4d54-a949-817f21f60297 Tyler also discusses best management practices when spraying post applied herbicides on corn, and how to avoid common pitfalls when mixing and spraying. This Tech Bulletin will help with avoiding these issues. https://portal.winfieldunited.com/Public/Document?article=bc355282-5b85-48ee-8dbb-f43a0c7e3a38 

Later Planting Considerations and Herbicide Restrictions

In this episode, Andy and I discuss the calendar date and how it will effect planting decisions. Should we change hybrids/varieties? What if we don't have any nitrogen or herbicide down? Listen now to find out. Also check out this article relating to relative maturity and how corn can shorten it's GDU requirements in a delayed planting year.
https://crops.extension.iastate.edu/cropnews/2019/05/late-corn-planting-options
 
 

Alfalfa Armageddon!

In this podcast Jeff Jackson, Andy Dickes, and Tyler Steinkamp discuss the constant pressure in alfalfa brought on by alfalfa weevil and other bugs and what can be done to fight this. This tech bulletin addresses some of the common questions about alfalfa weevil. https://portal.winfieldunited.com/Public/Document?article=321f9904-6400-4360-abcb-e9e2a936c1bb

Planting and Emergence

In this episode Andy and Tyler talk about spring planting and when we would expect to see emergence from some of the early planted crops. We also discuss the herbicide restriction associated with emergence. This tech bulletin is a great reference for more information. https://portal.winfieldunited.com/Public/Document?article=7d814820-fae0-4366-adff-f2a950d1a207

Planting and Herbicide Mixing Considerations

Karl and Tyler discuss mixing considerations with 32, ATS and Herbicides along talking with farmers about staying the course to set your customers up for success later in the season.