Agronomic Research

Agronomic Research

We know you’re always on the lookout to add efficiency to your operation, exploring new ways to reduce operating costs or pump up your yields a little more … Below you’ll find the latest research and studies from universities, extension services, and John Deere, all designed to help give you a greater advantage.




  • ExactEmerge™ scores high marks during in-field testing

    Research at a major land grant university shows John Deere ExactEmerge outperforms the standard for spacing and emergence, even at planting speeds of 10mph

    View the study results
  • Most critical factor of corn yield during in-field testing

    University of Minnesota research on emergence, timing, population, and spacing found that uniform emergence has by far the largest impact on yield, up to 9%.

    View the study results
  • Don’t let uneven emergence rob your yield

    A recent study by Purdue University identified the top factors of corn yield: even emergence, soil moisture, soil temperature, and seed-to-soil contact. Of these, even emergence had the largest impact on ultimate yield.

    View the study results
  • Want to maximize corn yield potential? Follow these four keys

    Make no mistake, planting is the most critical aspect of the production cycle. So it's important to lay a strong foundation to reach the full potential of your operation. But there are four aspects that stand out the most

    Learn about the key success factors now
  • You Can't Argue With Results

    We ran the tests … and so did Purdue University. Here’s the plain truth: running at faster speeds with ExactEmerge™ has no negative effect on accuracy. So whether you’re bumping up from 5mph to 7mph, or 6mph to 8mph, or higher, you get all the agronomic benefits to help maximize your full yield potential with the added bonus of increased planting speeds to take advantage of short windows.

    See the results for yourself
  • Seeding Impacts to Yield

    John Deere product specialists explain new techniques to get the right population in the right fields at the right time, with more uniform spacing and improved emergence, even in shorter planting windows. (Taped at a customer LEAD event in Moline, IL -- December 2015).

    View the seeding PDF Watch the Seeding video


Precision Ag


  • Harvesting Data

    The machine and agronomic data your equipment generates can increase yields and decrease operating costs; this pre-recorded webinar featuring John Fulton from Ohio State shows you how. (16-04)

    View Harvesting Data video
  • Save up to 30% on inputs with automated guidance and section control

    Research at Auburn University showed a possible 30% in overall savings when using section control and guidance together. So investing in precision guidance is really a no-brainer.

    Get the details
  • Automated section control pays for itself in 2 years

    This 2011 study from Auburn University shows that using automatic section control during planting delivers input savings from 1% to 12% on each pass, with an average seed savings of 4.3%. Investing in section control technology will pay for itself within 2 years.

    Learn more
  • Make every drop count. Automatic boom-section control saves an

    Adding automatic boom-section control delivers savings between 2% and 12%, according to this Auburn University study. Reduce your overlap on point rows, headlands, small, irregular-shaped fields or waterways

    Get the details
  • Harvesting Grain and Data

    Harvest is an excellent time to measure the effectiveness of the steps you took this year. John Deere product specialists explain new techniques to improve harvest efficiency and help turn data into insights. (Taped at a customer LEAD event in Moline, IL -- December 2015).

    View the harvesting PDF Watch the Harvest Grain video Watch the Harvest Data video


Nutrient Management


  • At 200# rate, NH3 saves $28/acre vs. 32% UAN

    Applying anhydrous can be precise AND profitable … but don’t take our word for it, check out a recent article by Russ Quinn of DTN. (Reprinted by permission, copyright 2015 Telvent DTN, LLC).

    Read the article
  • Managing herbicide-resistant weeds

    If not controlled, herbicide-resistant weeds can reduce yield by 6.1% or more, according to university studies; this research report outlines a number of proven options to manage them. (16-07)

    Read the article
  • Nutrient Placement

    Sixty percent of yield can be attributed to fertilizer and nutrients; John Deere product specialists explain new techniques to improve performance that lead to higher yields, while potentially lowering input costs. (Taped at a LEAD customer event in Moline, IL -- December 2015).

    View the nutrient placement PDF Watch the Nutrient Placement video


  • Air Seeding


    Is one banding system – side band or mid-row band – better than the other? Some of our competitors would have you think yes … mid-row. But the truth is there is no agronomic advantage of one of these placement practices over the other. And that’s not our word. That comes straight from the Prairie Agricultural Machinery Institute (PAMI).

    See what PAMI has to say on the issue
  • Commercial Hay

    Is shredlage a good idea?

    A Penn State University finds that shredlage "does not give the cow any more physically effective fiber (peNDF) or provide any advantage over conventionally chopped silage in this aspect of the diet.” (16-05).

    View the Penn State article PDF

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