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Agronomists talk July crop progress

Winfield United agronomists provide a detailed update on Midwest corn and soybean issues as of late-July 2018.

In this third report of the 2018 crop season, Winfield United agronomists from eight Midwest states report that crops are doing well for the most part. Yes, there are insect, disease and weed challenges along with potential nitrogen deficiencies in wet areas, so agronomists advise to take action where needed.

Here’s a brief synopsis by state. For more details, view the gallery.


Adequate soil moisture continues with little N loss predicted. High temperatures during pollination could impact ear tips. Watch insect, disease challenges, plus waterhemp escapes.


Crops holding okay, but moisture stress in some areas. Cooler grain fill temperatures should help. Take quick action on pests as needed.


Wet conditions have increased crop variability, but high yields possible with good drainage. Weed and pest challenges continue, along with possible N deficiencies.


Crop quality varies across state; drought in Thumb region. Consider timely applications on pests.


Crop conditions good, except excessive rainfall in southwest part of state could cut yield averages. Watch for soybean aphids and N deficiencies.


Crops doing good but last two weeks of hot, dry weather causing stress. Diseases more prevalent so treat accordingly.

South Dakota:

Crops looking good with high yield potential, but recent heavy rains may increase disease stress.


Crops looks exceptionally good, with maturity ahead of schedule. Watch for white mold and adequate Nitrogen.

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