Agronomy Notebook

grain bin corn

Corn plants appreciate a stress-free summer

Over the next several weeks the upper canopy in Ohio corn fields will look much different, as tassels begin to emerge and extend beyond the top leaves of the plant. This visual change signifies that the corn crop will soon be shifting from vegetative into reproductive growth. The first reproductive growth stage (R1) begins when [...]

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Watching for fertilizer burn

Some plants don’t have much of a root system while others show a beautiful root system with no shoot.  What is going on? In each case I have looked at this year, each farmer was using more than 30 pounds of total nitrogen (N) (28% plus 10-34-0) and/or sulfur in a 2×2 system. These reduced [...]

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Scouting beans

With planting finished, it’s time to take a walk

Finally corn and soybean fields are planted and are up and growing. Now growers need to walk their fields often or hire a professional to identify crop issues that can impact yields. What happens in the next 80 to 90 days will have a major effect on maximizing yield potential. A good tool for scouting [...]

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Documenting the relationship between corn emergence and yield

One very important aspect of corn plant development and yield is emergence. While evenly spaced “picket fence” stands are often discussed, agronomists and university experts stress the more important aspect of emergence-uniform emergence. According to Paul Jasa, University of Nebraska Extension ag engineer, “When a plant develops ahead of its neighbor, it hurts yield dramatically. [...]

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Sidedressing

Deal or no deal: Finding the right nitrogen rate

One of the largest investments in a corn crop is the nitrogen (N) application, and many farmers will be sidedressing their corn soon. Especially with this year’s profit outlook, it is important to carefully consider how much N to apply. Deciding on the correct N rate can be a lot like playing the game “Deal [...]

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Purple corn concerns?

For many areas of the eastern Corn Belt, a great deal of corn has been planted over the past few weeks. Some corn has emerged and is in the early stages of growth. One phenomenon that commonly occurs at the early stages of the growing season is the appearance of purple corn plants. Corn plants [...]

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seedling corn

Uniformity continues with seed germination

The first step in corn stand uniformity is getting the corn planter maintained and adjusted to plant the corn crop as uniformly as possible. The next step in the uniformity equation is achieving uniform emergence. Germination is simply the process that allows a seed to sprout or begin to grow. Although the definition is simple, [...]

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Identifying wheat growth stages: Feekes Stage 6

For determining the right timing of winter wheat management decisions, identifying the growth stage of wheat plants is critical. For example, knowing how to identify wheat Feekes Stage 6 is important because this is the cutoff timing for certain herbicides ( i.e. 2,4-D and dicamba) and also the point at which rapid development with increased [...]

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planting

Is starter fertilizer a practice to cut in 2016?

Growers use multiple fertilizer practices and application timings to address the fertility requirements for successful corn production. As the “bearish” agricultural economy continues, resulting in low commodity grain prices, many producers are looking for ways to streamline their crop production budgets, and often pose the question, “Should I remove my corn starter fertilizer program in [...]

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Corn germination and emergence processes

As growers across the Eastern Corn Belt get ready to plant corn, it is important to review and understand what goes into corn the germination and emergence process. Uniform corn emergence is one of the most important aspects of stand establishment and producing high yielding corn. Understanding germination, emergence, and how environmental factors influence these [...]

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