Agronomy Notebook

Is your corn N deficient?

June 2015 has been a very wet month in most of the Corn Belt setting new records in many places. Some of the corn fields I have visited recently are showing N-deficiency symptoms. Nitrogen is one of the most important elements needed by all green plants for chlorophyll production and for photosynthesis. Urgent action is [...]

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corn tassel

Stress during ear development affects corn yield

Understanding how corn ears respond to stress can help determine what stress was present, when the stress occurred, and how to mitigate the stress in the future. Environmental stresses during any of four ear development stages significantly affect the number and weight of harvestable kernels. The four critical stages are: (1) when the corn ear [...]

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Flooding effects on corn

Recent rains have caused a lot of ponding in low lying areas of the fields. What effects would ponding or flooding have on corn plants? Below are some facts: • Under flooded conditions plants can’t breathe and survive for long. Flooding interrupts the breathing and photosynthetic processes of plants. Obviously, plants which are completely covered [...]

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Seedling blights of corn

We like growers to plant their corn early, however, we want them to wait until the ground is ready and soil temperatures are 50 degrees and above. When you have a lot of area to cover, you have to plant when the weather will let you. But this can create opportunities for disease organisms and [...]

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Watch fields for black cutworms

Black Cutworm moths are starting to arrive in the Corn Belt with the recent weather fronts moving from southwest and we need to be ready with the rescue treatments, if necessary. We need to learn about their habits and what to look for while scouting. Some of the important points are as follows: • Black [...]

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Corn plant development

Much of the corn crop has been planted in the Corn Belt but establishing a good plant stand is most important for getting good yields. The seedling stage is the most critical phase in the life of a corn plant. The young stage of every organism is critical for development and productivity of the adults. [...]

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wheat greenup

Tips for managing a late spring

As winter begins to wind down and the first warm spell of the year arrives in March, many growers are most likely anxious to get into the field. However, ideal weather for spring field work may not be right around the corner. As of the beginning of March, 88% of the Great Lakes were still [...]

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bill black soybean planting

Getting the most out of soybeans might mean planting them sooner

On many farms, getting the corn crop in the ground will be the top priority this spring as planting season gets started. But, more research is suggesting that planting soybeans in April can offer real advantages for that crop as well. “If you ask most guys when they plant soybeans they will tell you, ‘after [...]

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Match your corn hybrids to your needs and your soils (Even if the seed is in the shed)

Selecting and matching the right hybrids to soils on your farm and for your needs & purpose is one of the most important decisions you will make for meeting your yield goals. Make the hybrid selection on a field-by-field basis and check out the following points: • No-till, minimum-till or conventional — Hybrids for no-till [...]

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What did we learn from 2014 growing season?

I asked several farmers and Seed Consultant Reps what new things they learned from 2014 growing season. I will be discussing some of those ideas in these articles for next three weeks. It is difficult to learn new things every year but each growing season either teaches us some new ideas or reinforces what we [...]

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