Also see: Corn
Corn leaves showing signs of nitrogen deficiency
Figure 1. Corn at V10 growth stage displaying symptoms of N deficiency (inverted V-shaped yellowing starting at the tip of lower leaves). Corn can display these symptoms when N supply is insufficient, possibly due to multiple reasons, including losses.

Nitrogen Fertilizer Stabilizers in Corn

April 19, 2018
Understanding how the three types of nitrogen stabilizers work can be helpful in deciding whether to add one to your spring application. Short- and long-term studies in Nebraska offer insight into how they performed across multiple years. Now, if you only knew how many inches of rain you'd get the first six weeks after application.

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Planning Ahead for Winter Wheat: Review Corn and Soybean Herbicide Programs

April 13, 2018
If you're considering planting winter wheat next fall, be sure to review the corn and soybean herbicide programs you plan to use this spring to avoid rotation restrictions that would limit your cropping options.

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Figure 1. Planting into cold soil (below 50°F) when cold conditions are expected for the next 48 hours can lead to germination problems and seedlings not emerging or not emerging well. 1a. Corn seedling that started leafing out below ground and now has twisted leaves which will delay or negate normal plant development.. Figures 1b-c. Unemerged seedlings attempting to leaf out belowground. None of the seedlings shown should be counted as a productive plant.
Figure 1. Planting into cold soil (below 50°F) when cold conditions are expected for the next 48 hours can lead to germination problems and seedlings not emerging or not emerging well. 1a. Corn seedling that started leafing out below ground and now has twisted leaves which will delay or negate normal plant development.. Figures 1b-c. Unemerged seedlings attempting to leaf out belowground. None of the seedlings shown should be counted as a productive plant.

Cold Soil Temperature and Corn Planting Windows

April 12, 2018
With stormy conditions back in the picture, many growers may be concerned about planting corn into cold, wet soils? By checking weather forecasts and soil temperature at planting (in the field and online) and the cold tolerance of seed, growers can identify 48-hour windows of opportunity for planting.

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Soil moisture sensor only partially installed due to dry ground

Determining Beginning Soil Moisture for Planning Decisions

April 12, 2018
Soil moisture sensors installed now can provide valuable information for dryland producers who want to determine existing soil moisture level and adjust cropping or planting plans accordingly. The authors installed and will be monitoring soil moisture readings at six sites in south central Nebraska.

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KSU Assesses Yield Potential of Drought-Tolerant Corn

April 12, 2018
Research by Kansas State University on yield potential of drought-tolerant corn showed yields varied but often were equal to their non-DT counterparts. The advantage of the DT hybrids became more evident when the water stress increased to the point of leaves rolling most days.

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Western bean cutworm larvae on an ear of corn

Efficacy of Foliar Insecticide Treatments for Western Bean Cutworm in Corn

April 11, 2018
Researchers report on three years of field research in west central Nebraska where 4-14 insecticide treatments were tested under irrigated conditions.

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Cold germination test of seed

Cold Germination Test for Corn and Soybeans

April 10, 2018
A cold germination test is used to evaluate the emergence of a seed lot in cold wet soils. Developed to simulate adverse field conditions, it is the most widely used vigor test for corn and soybean.

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On-farm grain bins

USDA: Nebraska Corn Stocks Down, Soybean Stocks Up from 2017

March 30, 2018
Nebraska grain stock reports for corn, soybean, sorghum and wheat as well as national data for corn, soybean and wheat, as reported by the USDA National Agricultural Statistics Service (NASS).

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