Agronomy eUpdate August 29th, 2025

Issue 1068

Pre-harvest herbicides for corn, soybeans, grain sorghum, and cotton

Need to clean up fields before harvest? Pre-harvest herbicide applications can help with harvest efficiency and weed management in corn, sorghum, and soybeans. Learn which products are labeled, when to apply, and what restrictions to keep in mind.

weed control herbicides pre-harvest harvest aid 

Harvest efficiency: Reduce corn yield loss by adjusting combine settings

Harvest inefficiency means more grain is lost in the field and more volunteer corn is competing with future crops. Learn how simple adjustments to headers, rotors, and cleaning systems can reduce losses and improve harvest efficiency this fall.

corn harvest equipment calibration harvest efficiency 

Alfalfa management: Tips for fall planting

Late summer to early fall is the prime alfalfa planting window in Kansas, offering better establishment and less weed pressure than spring. This article covers key management tips, from soil testing and fertility to seed selection and planting depth, to help ensure strong stands and long-term productivity.

planting alfalfa fall planting stand establishment 

Alfalfa management: Deciding on the last cutting this fall

Alfalfa needs time to rebuild root reserves before the first killing freeze. Cutting too late can weaken stands and reduce yield potential next spring. This article covers cutting guidelines, frost considerations, and soil sampling tips for fall management.

alfalfa forage last cutting 

Germination testing for wheat seed

Wheat seed may show low germination if tested right after harvest due to natural post-harvest dormancy. Pre-chilling the seed before testing, or waiting until September, gives more accurate results. This article explains why timing matters and when to rely on professional seed testing.

wheat seed quality germination testing 

Monitoring fall armyworm damage with satellite imagery

Fall armyworms can quickly devastate Kansas forages and crops if not caught early. Scouting remains essential, but satellite imagery offers a valuable tool to pinpoint stressed areas and guide field checks for faster, more effective detection and management.

crop scouting fall armyworms precision agriculture satellite imagery 

Insect update: Worrisome worms for wheat producers

Fall armyworms and armyworms have been widespread this season, raising concerns for double-cropped sorghum, soybeans, and soon-to-be-planted wheat. Learn how their life cycles differ, what risks remain this fall, and the best management practices to reduce losses.

insects armyworms fall armyworms 

K-State Regenerative Agriculture Field Day - September 11 in Gypsum

Join us for the K-State Regenerative Agriculture Field Day on Thursday, Sept. 11, at Knopf Farms in Gypsum. This year's theme is "All About Cover Crops!" Attendees will hear research results, learn about soil health, nutrient management, and pest management, and participate in a producer roundtable and field visit.

cover crops soil health Field Day 


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