Tyler Williams - Cropping Systems Extension Educator

Pollen on leaves and silks in spite of heat — Corn pollen on and near silks. For each kernel of grain to be produced, one silk needs to be fertilized by one pollen grain. Photo by Jenny Rees.

How Extended High Heat Disrupts Corn Pollination

July 19, 2019

A lot of factors can affect corn pollination success, including recent and predicted high heat and high humidity. This explains how environmental conditions influence the pollination process and how a cool down later this weekend may be helpful.

Figure 1. The degree of damage from standing water in this field will depend on several factors and likely will lead to direct yield losses or indirect losses from increased disease pressure.

Response of Germinating and Early Season Soybeans to Flooding

May 30, 2019

Injury to germinating and seedling soybean from flooding depends on several factors, including soybean growth stage, flood duration, and air and soil temperature and varies the varieties. Pythium and Phytophthora are two diseases to scout for after flooding.

Flooding in eastern Nebraska. — Figure 1. Damaged railroad bridge over the Platte River near Plattsmouth. (Photo by Tyler Williams)

Nebraska's Most Challenging 60 Days

March 29, 2019

Here's how a succession of weather events over 60 days, from mid-January to mid-March, led to a historic blizzard and flood in Nebraska.

Nebraska map showing soil temperatures on March 7, 2019

Soil Temperature Resources

March 8, 2019

An array of web sites and a mobile app provide daily updates of soil temperature data and frost depth to aid in your management decisions. Check out these resources and be sure to bookmark your favorites for future use.

Cover Crop Grazing: Impacts on Soils and Crop Yields

January 22, 2019

Results from a three-year study in rainfed and irrigated no-till cropping systems in Nebraska suggest that moderate cattle grazing of cover crops may not negatively impact soil properties and crop production.

Tyler Williams, climate and crops extension educator in Lancaster County, speaks at one of the 2018 Successful Farmer sessions.

Extension Successful Farmer Series Starts January 4

December 12, 2018

Friday mornings from Jan. 4 to Feb. 8 Nebraska Extension in Lancaster County will host a meeting series on timely topics for eastern Nebraska farmers. Can't get into town that day? The sessions will also be live streamed.

Attendees at the 2019 Fremont Corn Expo, like those shown here at the 2018 event, will learn the latest information on marketing, production and pest management in corn for east-central Nebraska.

Fremont Corn Expo Jan. 3

December 10, 2018

Eastern Nebraska corn growers can sharpen their marketing, production, and pest management strategies at the 2019 Fremont Corn Expo January 3 in Fremont.

Figure 1. Map of the Midwest showing average date ranges for first 28°F freeze. (Source: Midwest Regional Climate Center)

Average First Freeze Dates for Nebraska

September 21, 2018

Statistics indicate that first freeze (28°F) trends for southeast Nebraska are changing, moving slightly later into the fall while those for northwest Nebraska, at the other end of the scale, are not changing. See average first freeze date ranges here.

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