Agronomy
Advanced Agronomy
Technological advancements in agriculture continue to enhance the precision of modern farming with innovation to help you achieve maximum crop potential. With our free of charge agronomy consultation our agronomists provide fertilizer recommendations, field scouting, stand count monitoring, disease management, and test plots, along with comprehensive crop planning—all at no cost to you. Leveraging the latest technological advancements in agriculture, we deliver precision solutions that boost yields, reduce input costs, and improve profitability. Proudly serving Michigan’s “Thumb” region, our team of farmers, agronomists, and engineers is committed to helping you grow efficiently and sustainably.
Seed
Seed and chemical inputs are an essential foundation for any farm. We offer both conventional and GMP seed to fit each producer's needs. Then chemical product are geared toward supporting the Thumb area, and Particularyly our producers and associated seed.
Seed Companies
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Seed That Works as Hard as You—Delivering Results Every Time.
Your day isn’t measured in hours. It’s defined by the projects you complete and the standards you uphold. You get the job done right—no shortcuts, no compromises.
That’s the Renk way. For generations, we’ve led the industry by staying true to our values and remaining independently owned and operated. From the moment our seed touches the soil, it goes to work and never quits. Just like you, it’s committed to results—with the same dedication to quality.
Custom Soil Sampling Services
At Farmers Co-Operative, we offer advanced soil sampling solutions tailored to your needs:
- GPS Grid Sampling – Precise, location-based soil analysis for accurate recommendations.
- Routine Sampling – Standard soil testing for essential nutrients and health.
- GPS Zone Sampling by Soil Type – Targeted sampling based on soil variability for optimized results.
- Nitrate Sampling – Powered by Yield360 Soil Scan for real-time nitrate insights.
- Garden Sampling – Specialized testing for home and commercial gardens.
- Tissue Sampling – Plant tissue analysis to monitor crop nutrient levels.
- Nematode Sampling – Detect and manage nematode presence for healthier crops.
Chemicals & Fertilizers
Your Trusted Partner in Crop Success
As one of Michigan's Thumb region’s premier suppliers of chemicals and fertilizer, we’re dedicated to helping you achieve the best results. Our experienced agronomy team works every day to design customized soil fertility and crop protection plans that maximize yield and profitability.
Let’s grow together—because your success is our mission.
- Variable Rate GPS Fertilizer & Lime Application – Optimize nutrient placement for maximum efficiency.
- Flat Rate Fertilizer & Lime Spreading – Reliable, uniform application for consistent results.
- Custom Spraying – Chemicals and liquid fertilizer applied with precision.
- Yield360 Y-Drop Application – Targeted nutrient delivery for improved crop uptake.
- Nitrogen Streaming – Efficient nitrogen application for healthy growth.
- Aerial Fungicide Spraying (third-party) – Protect crops from disease with professional aerial services.
- Drone Spraying (third-party) – Advanced technology for targeted application.
Equipment Rentals & Delivery
- Fertilizer spreader rental: 6-ton & 8-ton capacity
- Liquid fertilizer nurse tank rental: 1,000-gallon capacity
- 28% Liquid Nitrogen Applicator Rental
- Fertilizer and liquid fertilizer delivery
Fertilizer & Crop Inputs
- Custom fertilizer blending
- Bulk chemicals
- Micro-nutrients (jugged & bulk)
- Organic and bagged fertilizer options
- Fertilizer stabilizers
- Anhydrous ammonia with tank rental & accessories
Additional Products
- Sprayer tips
- Bulk tank sales
- Bin-run oats and wheat for cover crops
