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US map indicating departure from normal temperatures for July 2018.

July Recap and August Forecasts for Temperatures and Rain August 3, 2018

July's above normal temperatures are quickening corn maturity. Forecasts for August and early September see limited potential for precipitation.

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Rezaul Mahmood (left), co-leader of the GRAINEX project, talks with a student and co-leader Eric Rappin (right) of Western Kentucky University.
Rezaul Mahmood (left), co-leader of the GRAINEX project, talks with a student and co-leader Eric Rappin (right) of Western Kentucky University.

Husker-led Research Team to Examine Irrigation's Role in Precipitation July 16, 2018

A national team led by the University of Nebraska–Lincoln is studying potential links among irrigation, cloud formation and rainfall from a 3,600-square-mile region in southeastern Nebraska.

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Nebraska precipitation map based on single point data

Why Do Precipitation Maps for the Same Date and Area Differ? June 28, 2018

Why do precipitation maps for the same storms sometimes appear to report different rainfall amounts? How can you determine which one to use when?

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Alfalfa Harvests in High Heat June 28, 2018

When the temperature is consistently above 90°F, many guidelines for alfalfa harvest no longer apply. Rather than using the bloom as a guide, give plants extra time between hot summer harvests to maintain healthy stands.

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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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