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Achieving high-quality, high-yielding crops year after year takes careful planning and dependable service with innovative solutions. That’s why Burnett Dairy has a team of agronomy experts ready to help you achieve your goals and maximize your crop yields, quality and bottom line. Our Agronomy team specializes in developing solutions for all crops and soil types, and you count on us for fast, friendly and dependable service. 

To reach the Burnett Dairy Agronomy department, please call 715-689-1034 or a member of our team, or stop by the Agronomy department during business hours.

Burnett Dairy Cooperative Agronomy Department
Office Hours, effective Thursday, July 7, 2022

Monday-Friday: 8:00am - 5:00pm
Saturday & Sunday: closed

Mark DeGroot

Mark DeGroot

Sr. VP of Agribusiness
Office: 715-689-1007
Cell: 651-792-6852
Email Mark

Kent Lahners

Kent Lahners

Agronomy Operations Manager
Cell: 715-431-1062
Email Kent


Tony Ritten

Tony Ritten

Agronomy Sales Manager
Cell: 715-501-0190
Email Tony

Marcus Qualle

Marcus Qualle

Sales Agronomist
Cell: 715-497-2001
Email Marcus



Lauri Nelson

Lauri Nelson

Inventory Account Specialist
Office: 715-689-1027
Email Lauri

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Tyler Peterson





Burnett Ag Solutions is Burnett Dairy Cooperative's precision ag program that allows farmers to use less to grow more. Burnett Dairy is committed to helping its farmers use new technologies to increase crop yields and profitability while lowering the levels of traditional inputs needed to grow crops.

Soil and Crop Nutrition


In addition to offering liquid and granulated fertilizers, we have bulk prescription blends mixed to specific requirements using our state-of-the-art HIM Tower Blending System. The HIM is an essential part of Sackett’s proprietary Precision Fertilizer Blending System and is the toughest, fastest and most accurate fertilizer blend system in the industry.

Crop Protection


Burnett Dairy Cooperative is dedicated to helping farmers achieve high-yielding, high-quality crops by staying at the forefront of the latest weed resistance, disease control, nutritional, and plant performance products. We offer a wide variety of crop protection solutions including:

  • Herbicides
  • Fungicides
  • Insecticides
  • Inoculants

Seed Solutions


Burnett Dairy Cooperative offers only the best quality seed solutions selected to suit your planting, soil type and growing needs. We have partnered with companies that put the farmer first like Dairyland Seed, and Mustang Seeds. Our team can help with variable rate planting recommendations based on your soil types, production practices, weed, insect and disease pressures. We offer:

Dairyland Seeds
Mustang Seeds

Custom Application


Our agronomy staff and field team ensure timely applications of products to allow for optimum performance and ROI. Burnett Dairy’s equipment carries the most current technology and allows customers accurate records of applications. Our application equipment features the most modern technology on the market for both dry and liquid applications.