At Red Cedar Ag, our mission is to empower growers with the agronomic expertise, innovative tools, and dependable products they need to make every acre count.  Red Cedar Ag is more than a supplier; we’re a partner dedicated to growing with you, season after season.

Built on Knowledge.

Backed by Science.

Red Cedar Agronomy Services

RCA News

Sound Agriculture and EarthOptics - Phosphorus pricing update with tools to improve P availability

Before You Prepay for Phosphorus, Read This

By Red Cedar Ag • November 18, 2025
Agronomist reviewing EarthOptics and Sound Agriculture soil data to validate zones, improve fertilizer placement, and better inform nutrient management strategies.
BLUEPRINT by Sound Ag

Get More From Your Fertility With BLUEPRINT™

By Red Cedar Ag • November 3, 2025
BLUEPRINT™ from Sound Agriculture is an AMF inoculant that partners with roots to extend their reach. More hyphae means better access to phosphorus, micronutrients, and water so your existing fertility goes further.

NOW HIRING: RCA Sales Agronomist

By Red Cedar Ag • October 31, 2025
Red Cedar Ag is growing and we are looking for a passionate, high-energy Sales Agronomist to serve growers across Northwest Wisconsin. You will build trusted relationships, deliver agronomy recommendations that drive ROI, and help customers plan from pre-plant to post-harvest.

TruBio: One test can predict pest and disease risk in your field so you can make the optimal crop plan for next season

By Red Cedar Ag • October 3, 2025
EarthOptics measures the biology in the soil to predict what will happen agronomically on the field.

Analyzing soil biology, we can predict key field agronomic outcomes with over 90% confidence before the season starts.
Show More

Our Products & Services

Seed

RCA offers several seed brands including Pioneer and TitanPro.

Crop Protection

RCA supplies a variety of generic, premium, and specialty Crop Protection products.

Fertility

Fertility products from melted urea and potash to liquid fertilizers, biologicals, and specialty products.

Agronomic Knowledge

RCA offers complete agronomic solutions and advice for planting to harvest.

Seed Treatments

LumiGEN seed treatments help establish a healthier, more uniform crop for a strong start and greater yield potential.

RCAir Drone Application

RCA is now offering Drone application for precision and timely application of crop protection products.

EarthOptics

EarthOptics combines advanced field sensors and lab analysis to deliver the most complete view of your soil’s potential.

About Us

At Red Cedar Ag, our mission is to empower growers with the agronomic expertise, innovative tools, and dependable products they need to make every acre count.


RCA began in 2019 and is a full-scale agronomy business rooted in service, science, and trust. From our facility near Sand Creek, Wisconsin, we proudly deliver practical, cost-effective solutions; from seed and inputs to precision soil insights.

EarthOptics

Unlock the Full Potential of Your Farm

EarthOptics tackles agriculture's most elusive challenges: accurately measuring and mapping soil nutrients, soil compaction, biology, and carbon. Our solution gives farmers precise insights, reducing unnecessary input costs and promoting carbon retention for healthier soils.


EarthOptics is committed to advancing climate-smart farming and soil health, driving sustainable agriculture forward with cutting-edge technology and data-driven insights.