In this video, IL Soy Envoy Kelly Robertson of Precision Crop Services, LLC in Benton, Illinois, discusses the long-term benefits of proper pH management for corn and soybean crops. By applying limestone to adjust soil pH, farmers can significantly improve yield, nutrient uptake, weed control, and herbicide persistence.

Robertson highlights the importance of regular soil testing, particularly when acquiring new farmland, and emphasizes the need to adjust limestone application based on the quality of locally available materials. He also shares valuable resources, including the Illinois Voluntary Limestone Producers Handbook, to guide farmers in making informed decisions about pH adjustments.

To learn more about this topic, read Robertson’s blog on Field Advisor: https://fieldadvisor.org/the-hidden-power-of-lime-why-ph-matters-to-production/ 

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About the Author: Kelly Robertson

Kelly Robertson has been a soil fertility agronomist and precision agriculture consultant since 1989 and also spends time in farm/agronomy management roles for farms in Southern Illinois. In 2012, Kelly and his wife Lori started Precision Crop Services in Benton where they provide agronomic services for their customers including soil testing, crop scouting, data analysis, GPS/GIS services including variable rate seeding and fertility recommendations as well as farm and agronomy management for their customers. He is a Certified Professional Agronomist, Certified Crop Advisor, Certified 4R Nutrient Management Specialist, 2015 Illinois Soybean Association Double-Crop Specialist, 2016 Illinois CCA of the Year and the 2021 Illinois Soybean Assoc. Dave Rahe Excellence in Soils Consulting Award winner.

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