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ISU Crop News@ISUCropNews
15h
Field Days are here! We hope to see you at the Northeast Research Farm on June 24! Open to the public at no cost | Lunch provided | CCA credits available 🔗go.iastate.edu/DMZGXQ #FieldDays #ISUCrops #IowaAg #Extension
Northeast Research Farm's Summer Field Day on June 24, 2026, 11:00 AM to 3:00PM in Nashua, IA. Topics include crop diseases, nutrient management, and weed control.

ALT Northeast Research Farm's Summer Field Day on June 24, 2026, 11:00 AM to 3:00PM in Nashua, IA. Topics include crop diseases, nutrient management, and weed control.
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ISU Crop News@ISUCropNews
Jun 15
Mark your calendars! Field days are quickly approaching and you don't want to miss them. We hope to see you there! 🔗 go.iastate.edu/LZWRGR #FieldDays #ISUCrops #IowaAg
Upcoming Summer Field Days: Southeast, June 16; Northeast, June 24; Armstrong, June 25; Northern, June 25; Curtiss Farm, July 1; Northwest, July 8.

ALT Upcoming Summer Field Days: Southeast, June 16; Northeast, June 24; Armstrong, June 25; Northern, June 25; Curtiss Farm, July 1; Northwest, July 8.
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Logan McCrea@LoganMccrea
Jun 12
Some significant storm damage occurred through Lucas, Mahaska, Marion, and Monroe county (likely others as well) this week with hail, wind, and flooding all occurring. Check out crops.extension.iastate.edu/… for more information about assessing damage following the storms. #ISUCrops
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Meaghan Anderson@mjanders1
Jun 12
Central Iowa has some leaning fields. Check out this article with resources and more info! Our most pressing issue in many fields is the standing water in fields that will put crops under significant stress until it recedes. #ISUCrops
ISU Crop News@ISUCropNews
Jun 12
Storms rolled across the state and with them came heavy rain, hail, and wind. Check out this resource for helping to access the damage: crops.extension.iastate.edu/…. #ISUCrops #hail #wind #flooding
hail damage in corn

ALT hail damage in corn

hail damage in soybean

ALT hail damage in soybean

soybean field with standing water

ALT soybean field with standing water

corn field leaning after wind and rain

ALT corn field leaning after wind and rain

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ISU Crop News@ISUCropNews
Jun 12
Storms rolled across the state and with them came heavy rain, hail, and wind. Check out this resource for helping to access the damage: crops.extension.iastate.edu/…. #ISUCrops #hail #wind #flooding
hail damage in corn

ALT hail damage in corn

hail damage in soybean

ALT hail damage in soybean

soybean field with standing water

ALT soybean field with standing water

corn field leaning after wind and rain

ALT corn field leaning after wind and rain

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ISU NC Crops@nciacrops
Jun 11
If you farm along D65 just west of Hwy 17 in Hamilton county, you will want to check for hail damage for about 4-5 miles going east. Seems like the damage is worse closer to Hwy 17. There's also leaning corn along 17. If you have other hail crop damage, let me know. #isucrops
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Trenton Toftoy retweeted
Meaghan Anderson@mjanders1
Jun 8
This was not on the list of things I thought I would see today. #ISUCrops
Soybean plants with purple flowers

ALT Soybean plants with purple flowers

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ISU NC Crops@nciacrops
Jun 9
This is always a fun event! The interns ask really solid questions and I hope they learn a few things from us, because I always learn a few things from them! P.S. today we saw an example of what happens to your soybeans when you don't read the herbicide label! 🤨#isucrops
ISU Field Extension Education Laboratory@ISUFieldLab
Jun 9
Great to have the New Century FS interns out today for crop scouting and weed identification! Thanks to @nciacrops and @Tunweeds for leading the discussion and sharing their expertise. #ISUExtension #IowaAg
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ISU Crop News@ISUCropNews
Jun 9
What are/have your @ISUExtension field agronomists been seeing/hearing about this past week? ➡️ white grubs ➡️herbicide injury ➡️ much-needed rain in areas ➡️ weed pressure Read more in this week's regional update: crops.extension.iastate.edu/… What are you seeing? #ISUCrops #Scout
Flooding in a field

ALT Flooding in a field

True white grub

ALT True white grub

Thistle caterpillar

ALT Thistle caterpillar

Field with corn leaves rolling

ALT Field with corn leaves rolling

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ISU Crop News@ISUCropNews
Jun 9
Crops are popping up and so are field days! Our team has been working hard to plan learning opportunities all across Iowa. Check them out here: go.iastate.edu/LZWRGR #ISUCrops #FieldDays #IowaAg
Upcoming Summer Field Days: Southeast, June 16; Northeast, June 24; Armstrong, June 25; Northern, June 25; Curtiss Farm, July 1; Northwest, July 8.

ALT Upcoming Summer Field Days: Southeast, June 16; Northeast, June 24; Armstrong, June 25; Northern, June 25; Curtiss Farm, July 1; Northwest, July 8.

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ISU Crop News@ISUCropNews
Jun 8
Join us June 25 for the @ISUNorthernRF Summer Field Day! Field day topics: current agronomic issues, oat production practices, and herbicide injury plots. Open to the public at no cost, lunch provided, & CCA credits available. 🔗go.iastate.edu/I7BFHE #ISUCrops #FieldDays
Northern Research Farm Summer Field Day. June, 25, 2026, 8:30 AM to 1:00 PM. 310 S. Main St., Kanawha, IA.

ALT Northern Research Farm Summer Field Day. June, 25, 2026, 8:30 AM to 1:00 PM. 310 S. Main St., Kanawha, IA.
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ISU Crop News@ISUCropNews
Jun 4
Mark your calendar for the Armstrong Summer Field Day by Lewis, IA on June 25. Hear updates on sulfur management, fungicides, soybean herbicides, cover crops, and more. 🕘 10AM - 2:30PM (registration at 9:30) | 🔗go.iastate.edu/WYU4CO #ISUCrops #FieldDays
Armstrong Research Farm Summer Field Day. June 25, 2026, 10:00 AM to 2:30 PM, Registration at 9:30 AM. 53020 Hitchcock Ave, Lewis, IA 51544.

ALT Armstrong Research Farm Summer Field Day. June 25, 2026, 10:00 AM to 2:30 PM, Registration at 9:30 AM. 53020 Hitchcock Ave, Lewis, IA 51544.

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Rebecca Vittetoe@rkvittetoe
Jun 3
How do #covercrops fit into the whole system? Mark Licht will discuss a systems approach to cover crop adoption at the June 16 Summer Field Day at the Southeast Research and Demonstration Farm. #ISUCrops #FieldDay
Promotional banner for Southeast Research Farm's Summer Field Day on June 16, 2026, featuring Mark Licht discussing cover crops.

ALT Promotional banner for Southeast Research Farm's Summer Field Day on June 16, 2026, featuring Mark Licht discussing cover crops.
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ISU NC Crops@nciacrops
Jun 2
Not everyday is full of corn and beans. Today found me touring a CREP wetland that might be part of a conservation practices tour later this year. Wetlands are integral to our farming systems and our water quality! #isucrops
Wetland

ALT Wetland

Wetland

ALT Wetland

Wetland

ALT Wetland

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Rebecca Vittetoe@rkvittetoe
Jun 2
Regional Crop Update (May 25–June 2) highlights: - Fieldwork: planting, sidedressing N, putting up first cutting hay & POST herbicides - 👀 weed pressure - Insect activity low but seeing blackcuworm and armyworm 🔗crops.extension.iastate.edu/… #ISUCrops #Plant26 #AgUpdates
Asian copperleaf seedling

ALT Asian copperleaf seedling

Black cutworm next to a corn seedling

ALT Black cutworm next to a corn seedling

Oats

ALT Oats

Corn field near Monroe County

ALT Corn field near Monroe County

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ISU NC Crops@nciacrops
Jun 2
Look at those beautiful oats at Feekes 10.1 growth stage in the oat variety trial @ISUNorthernRF! I admit my small grains staging is suspect so correct me if I am wrong. @GentrySorenson #MakeOatsGreatAgain #isucrops
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ISU Crop News@ISUCropNews
Jun 1
ONE MONTH FROM TODAY is the ISU Weed Science Field Day! The field day will have the latest in weed management technology, herbicide efficacy trials, and an update on resistance in Iowa. Don’t miss this event1! go.iastate.edu/weeds #ISUCrops
The Iowa State University Weed Science Field Day will be hosted on July 1 at the Curtiss Farm at 2219 State Avenue in Ames. Check-in will begin at 8:30 a.m. and the field day will be from 9 a.m. to noon. Learn more and register by June 24 at https://go.iastate.edu/weeds.

ALT The Iowa State University Weed Science Field Day will be hosted on July 1 at the Curtiss Farm at 2219 State Avenue in Ames. Check-in will begin at 8:30 a.m. and the field day will be from 9 a.m. to noon. Learn more and register by June 24 at https://go.iastate.edu/weeds.
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ISU NC Crops@nciacrops
May 29
Extension Field Agronomist Friday Wrap. Photos from the week: manure app in wrong field wipes out 40% of alfalfa crowns, hydraulic cylinder leak kills insignificant # corn plants, millipedes chewing on SB, BCW cutting corn, and many calls on bad corn stands and replant❓#isucrops
Manure tank wagon tracks that killed alfalfa crowns.

ALT Manure tank wagon tracks that killed alfalfa crowns.

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Meaghan Anderson@mjanders1
May 29
A recent glyphosate-only burndown herbicide application for cereal rye had some contamination that resulted in contact burn to emerged soybean seedlings. Tank/boom/etc. contamination is common as we switch from PRE to POST apps. #ISUCrops
Soybean seedling with brown spots on cotyledons and a dead growing point

ALT Soybean seedling with brown spots on cotyledons and a dead growing point

Brown spots on a soybean seedling’s cotyledons and hypocotyl

ALT Brown spots on a soybean seedling’s cotyledons and hypocotyl

Less severely injured soybean with brown spots on unifoliate leaves

ALT Less severely injured soybean with brown spots on unifoliate leaves

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