Dr. of plants - Preceon Agronomy Lead for Bayer Crop Science
Joined January 2015
- Tweets 587
- Following 215
- Followers 543
- Likes 2,036
Photos and videos
Andrew Penney retweeted
The best innovations in ag don't start with a product, a platform or a shiny new tool. They start with a challenge growers face every day.
If we look at innovation this way, it creates value, not more complexity.
Hear our takes on ag innovation: youtu.be/WKH6i9gY2y8
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Andrew Penney retweeted
Jun 11
Purple leaf sheath is an abiotic disorder that affects the leaf sheath in corn. Symptoms can be confused with other diseases typical of stalk rot. In this case (AL), no pathogens were isolated from symptomatic plants. The disorder does not impact yield @CropNetwork @corndisease
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Andrew Penney retweeted
Corn Leafhopper made its first appearance of the 2026 growing season in OK, with 1 insect per 150 scouted plants
🌽 🚨 Corn growers 🚨 🌽
It’s time to scout the fields and be ready for the insect’s management
More information below:
extension.okstate.edu/e-pest…
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Andrew Penney retweeted
Jun 10
Some early stages of Physoderma getting started. Not a simple one to diagnose with just the leaf lesions. Look for the midrib lesions that are the more characteristic brown coloration #mscrops
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Andrew Penney retweeted
Jun 10
Tar spot season has officially begun in Indiana as we have confirmed the first few disease lesions in Randolph County. Here's a review of my top 10 tips and tools for 2026. indianafieldcroppathology.co… @CropNetwork @PurdueExtension @PurdueBPP @PurdueCorn @INCornFarmers
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Jun 9
Love this, and love the information @ICiampitti brings us. I learned a lot from this one! That’s a good day for this plant nerd 😂
Technology can calculate nitrogen dilution in seconds. But if you don't understand what goes into that equation, how can you improve it?
@iciampitti breaks down why knowing the science behind the numbers matters, even as ag tech advances.
Find out: youtu.be/WKH6i9gY2y8
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Andrew Penney retweeted
Jun 5
We get asked “what is the value of strip tillage?”
I’ll show this to answer that question.
Left row is No Tillage with broadcast of 80# P2O5 60# K2O. Right row is Shank Strip Till without P/K. Cooler soils this spring in ECIL limited S availability, as shown in the no-till row.
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Andrew Penney retweeted
First report of Maize bushy stunt in Oklahoma
Candidatus Phytoplasma asteris is one of the pathogens involved with the Corn Stunt complex in the state
🌽🌽🌽🌽🌽🌽🌽🌽
apsjournals.apsnet.org/doi/1…
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Jun 4
podcasts.apple.com/us/podcas…
@ICiampitti wraps up our trip to @PurdueAg. He talks nitrogen and precision technology, even @NASA :) enjoy
Agronomy's changing. Fast.
From quantitative agronomy and ag tech to @NASA's role in ag research, our latest convo with @ICiampitti from @PurdueAgronomy explores where we're headed—and what it means for your operation.
We cover it all. Don't miss it. youtu.be/WKH6i9gY2y8
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Andrew Penney retweeted
The weather forecast says there's an 80% chance of rain. Do you grab an umbrella? Maybe. Maybe not.
Information ≠ recommendation.
Being able to interpret research and apply it to your operation is critical. @Iciampitti shares how: youtu.be/WKH6i9gY2y8
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Andrew Penney retweeted
🚨📰 Breaking news: @Iciampitti is still talking about nitrogen. Fortunately for us, he's sharing his learnings!
After joining us on our recent episode, Ignacio chatted with our friends over at @hoosieragtoday: bit.ly/4uL2LHx
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Andrew Penney retweeted
Guess who's back? 👀
We're excited to welcome @ICiampitti from @PurdueAgronomy back for tomorrow's episode.
Since his last visit, agronomy has continued to evolve—rapidly. So we sat back down to tackle some big questions.
New episode drops tomorrow. Stay tuned.
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Andrew Penney retweeted
May 27
This is one of my favorite articles I have coauthored! The Soybean Growth Cycle: Important Risks,
Management and Misconceptions
Sensitivity to stress changes throughout soybean growth, bringing different risks at each stage. Many can be reduced with good management practices. Get the facts on key risks, best practices, and common misconceptions about the soybean growth cycle: ow.ly/CKIQ50Z4K3C #SoyCheckoff
ALT Simple graphic showing the soybean growth cycle. The cycle starts on the left with germination, progressing through vegetative and flowering stages with green leaves, and ending on the right side at full maturity with dry leaves.
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Andrew Penney retweeted
When it comes to implementing any new equipment or management practice, practice makes perfect. @PUWeeds shares insights on how to find your optimal spray drone setup in our latest episode: youtu.be/wn9dZjJu-6A
🎙️ @SeanBlomgren @CyPathology
@purdueagronomy
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Andrew Penney retweeted
Waterhemp is a big concern on many of our listeners’ acres, and for good reason—it's the most widespread herbicide-resistant weed in Iowa. Tune into our latest episode to learn from @PUWeeds how you can manage it: youtu.be/wn9dZjJu-6A
🎙️ @seanblomgren @CyPathology
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Andrew Penney retweeted
There's no one right answer to managing weeds on your fields, but there are some practices that you can use broadly to help control them. In our recent episode, @puweeds shares insights on managing weeds.
Listen now: youtu.be/wn9dZjJu-6A
🎙️ @seanblomgren @cypathology
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May 20
Need some insight on herbicide management? I loved listening to @PUweeds from @PurdueAgronomy give us his insight on managing those herbicide conversations in corn and soy!
In our new episode, we sit back down with @puweeds and discuss how to manage weeds on our acres. If you like weed-free fields, valuable insights and a few good laughs, this one's for you!
Listen now: youtu.be/wn9dZjJu-6A
🎙️: @seanblomgren @cypathology
@purdueagronomy
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Andrew Penney retweeted
May 18
1st kudzu bug of 2026, an invasive insect that feeds on legumes like soybeans & kudzu, causing crop damage & becoming a pest by swarming homes (and my shirts). It's an olive-green, pea-sized bug that releases a foul odor when disturbed & can stain surfaces #Insects @CropNetwork
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Andrew Penney retweeted
Weed resistance is real, and we have to talk about it. Thankfully, @PUweeds loves to do just that. Tune into our recent episode to learn more about the reality of weed resistance, and what it means for farmers.
youtu.be/YAc5cE-1Z5Y
🎙️: @SeanBlomgren @CyPathology
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