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Soil Analysis

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With increasing input costs and high demands for crop production, soil testing contributes a great deal to the bottom line. Having timely and accurate soil sample results helps growers make the best management decisions.

Fast and Convenient Results     

AgSource offers a 3-day turnaround time for samples. Customers can receive results by USPS, email, secure online log-in, and several other electronic formats. Call today to see how we can meet your specific needs.  

Sample Pick-up Services

Save time and money with our convenient sample pick-up services. Simply call and request a next-day pick-up. We offer the following options:

  • Standard Route Service - This is a set route, available on scheduled days throughout the month. Clients drop off their samples at specific drop-off locations.
  • On Demand Service - No drop-off necessary. The pick-up vehicle comes to you. You determine when a pick-up is the most convenient and cost-effective for you.
  • Conventional Carriers - This option includes pre-paid RS return labels to use with UPS, shipping via U.S. Mail or another carrier, and direct drop-offs at our lab.
Routes are seasonal and a minimum sample quantity may be required. Call today for further information. To schedule a pick-up, please call (515) 836-4444 or email ellsworth@agsource.com 

Soil Testing Options 
Package 1: Soil pH, Buffer pH, Phosphorus, Potassium, Organic Matter 
Package 2: Soil pH, Buffer pH, Phosphorus, Potassium, Organic Matter, CEC 
Package 3: Soil pH, Buffer pH, Phosphorus, Potassium, Organic Matter, CEC, Zinc 
Package 4: Soil pH, Buffer pH, Phosphorus, Potassium, Organic Matter, Sulfur 
Package 5: Soil pH, Buffer pH, Phosphorus, Potassium, Organic Matter, CEC, Zinc, Sulfur, Manganese, Copper, Iron, Boron 
Additional Tests Available:
Trace Elements: Zinc, Manganese, Copper, Iron 

Bray II Phosphorus
Olsen Phosphorus
Cyst Nematode
Pre-Sidedress Nitrate