Agronomy eUpdate August 4th, 2022

Issue 918

Allow time for lime applications when planting alfalfa this fall

Correcting acidic soil conditions through the application of lime can have a significant impact on crop yields, especially for alfalfa. Liming is one of the most essential, but often overlooked, management decisions a producer can make for alfalfa production.

alfalfa lime application soil pH 

Corn harvest efficiency - Get the most from your crop

This year has been a challenging year for crop production, especially corn, with above-average temperatures and below-average rainfall. Minimizing yield losses during harvest operations is even more important. Harvest inefficiency reduces overall yield and can cause future problems because of volunteer corn

corn harvest volunteer corn harvest efficiency 

Saving wheat seed - Be aware of the regulations

It is important for farmers to understand the regulations in place when saving seed to plant in subsequent years. The consequences of planting illegal seed can be substantial. This article explains the importance of knowing where your seed is from and how to be in compliance.

wheat wheat seed Certified Seed 

First report of sugarcane aphid on grain sorghum in Kansas

An old pest is back and has a new name. Sorghum aphids, formerly called sugarcane aphids, are showing up in Kansas fields. Grain sorghum producers should be scouting their fields on a routine basis. Early detection is important, but treatments should be based on established thresholds.

insects sorghum sugarcane aphid SCA sorghum aphid 

Scout for headworms in sorghum from flowering into milk stage

Relatively new, cost effective, and environmentally friendly products are available for controlling headworms in sorghum. These are pest-specific viruses, formulated as biological pesticides, that can be applied the same as any foliar insecticide, or delivered via overhead irrigation sprinklers.

insects grain sorghum fall armyworms headworms corn earworm 

Have problems with Sudden Death Syndrome in soybeans?

Researchers at K-State are in search of soybean fields showing symptoms of Sudden Death Syndrome (SDS) to sample. SDS is a soil-borne fungal disease. It is observed more when soybeans are planted in cool, wet soils followed by wet conditions at the start of flowering.

soybeans disease Sudden Death Syndrome 

Understanding the drought monitor process

As drought continues to have a substantial impact on Kansas this summer, many people are questioning their locationís drought status. Each week, scientists across the nation gather input on drought conditions across their respective regions. This article will briefly discuss how drought declaration decisions are made and how you can provide additional input.

weather drought monitor drought status 

How hot has it been in Kansas this summer?

July is typically the hottest month in Kansas, and this year has been no exception. But, has this summer been hotter than normal? How does it compare to previous summers? This article examines measured summer temperatures from 40 locations all across Kansas.

weather Climate high temperatures hot weather 

Kansas Composting Operators' School, Sept. 14-15 in Manhattan

The Kansas Composting Operatorsí School provides hands-on training in municipal, agricultural, and commercial large-scale composting for operators and managers of compost facilities who want to gain knowledge and experience in composting. Space is limited to 20 participants. Don't miss out!

training compost 

Kansas Wheat Rx Schools - August 9 and 10

K-State Research and Extension and the Kansas Wheat Commission are hosting two Wheat Rx Schools. The first event will take place in Phillipsburg, KS, on August 9. The second event will take place in Garden City, KS, on August 10. Registration details and agenda for each school are included in this article.

wheat Field Day Wheat Rx