Since 1967, our laboratory facility in Bonduel, Wis., has provided top-notch agricultural testing services. We strive to maintain superior testing standards as we service both local and global customers. We are very active in our mission to support the local community for future generations.
Services
Our dedicated crop consultants and agronomy specialists in Bonduel deliver over 100 years of combined experience. Services include analyses of soil, soil health, plant tissue, manure, fertilizer and water, as well as NMP services, GPS soil sampling, GPS mapping and aerial imagery. To see a complete list of our testing methods, click here.
Benefits
Our staff in Bonduel works closely with other AgSource locations to give our customers rapid results and quality service. You’ll also enjoy these additional benefits:
Contact Information
We look forward to hearing from you! Contact our professionals in Bonduel, Wisconsin today.
Do you need supplies for testing? Just let us know what you are looking to test and we will send you what you need.
SOIL
Soil Sample Submission Form
GPS Soil Sampling Order Form
Soil Nitrate Submission Form
Soil Health Submission Form
Cranberry Soil Sample Submission Form
Fruit Growers Soil Submission Form
Wildlife Food Plot Soil Submission Form
Lawn & Garden Soil Submission Form
Christmas Tree Soil Submission Form
PLANT TISSUE
Plant Tissue Sample Submission Form
Corn Stalk Nitrate Sample Submission Form
Potato Petiole Plant Tissue Submission Form
Cranberry Plant Tissue Submission Form
Aquaponics Tissue Submission Form
WATER
Water Sample Submission Form
GAP – Good Agricultural Practices – Water
OTHER
Manure/Compost Sample Submission Form
Fertilizer (Liquid/Dry) Sample Submission Form
New Client Account Set-up Form
Certifications
Our agricultural testing lab in Bonduel routinely evaluates its performance with internal and external proficiency certification programs, and holds the following industry certifications:
For the best use of soil testing results, it is important to know the following:
Actual nutrient availability in the soil is determined by changing factors including: soil moisture, temperature, pH, clay content, internal drainage, organic contact and physical barriers. As any of these factors change, the availability will also change.
For a printable PDF with all methods, click here.
– All soil samples are dried and ground.
Analysis | Units | Method Description |
Soil pH | — | 1:1 Soil/Water Slurry |
Buffer pH (Buffer Index) | — | Sikora Buffer Method |
Soluble Salts (EC) | mmhos/cm | 1:2 Soil/Water Slurry |
Potassium | ppm | Bray 1 Extraction |
Phosphorus,Bray 1 | ppm | Bray 1 Extraction |
Calcium, Magnesium and Sodium | ppm | Ammonium Acetate Extraction |
Sulfur | ppm | Monocalcium Phosphate Extraction |
Copper, Iron, Manganese and Zinc | ppm | DTPA Extraction |
Boron | ppm | Hot Water Extraction |
Nitrate-Nitrogen | ppm | KCI Extraction, Cadmium Reduction |
Organic Matter | % | Loss on Ignition (LOI), expressed as OM% |
(By Request)
Analysis | Units | Method Description |
Phosphorus, Bray 2 | ppm | Bray 2 Extraction |
Phosphorus, Olsen | ppm | Olsen Extraction, when soil pH >7.2 |
Soil test methods are described in:
– All plant tissue samples are dried and ground.methods are described in:
Analysis | Units | Method Description |
Total Nitrogen | % | Total Kjeldahl Digestion |
Minerals: P, K, S, Ca, Mg, Na | % | Nitric acid digestion |
Minerals: Cu, Fe, Mn, Zn, B, Al | ppm | Nitric acid digestion |
Plant tissue test methods are described in:
– All samples are handled and reported as detailed below.
Analysis | Units | Method Description |
Dry Matter/Moisture | % | Oven Drying at 50°C, 48 hours |
Nitrogen (TKN) | % | Total Kjeldahl Digestion, “As Received” |
Minerals: P, K, S, Ca, Mg, Na | % | Nitric acid digestion, “Dry Basis” |
Minerals: Cu, Fe, Mn, Zn | ppm | Nitric acid digestion, “Dry Basis” |
Ammonium-Nitrogen | % | KCI Extraction, “As Received” |
Nitrate-Nitrogen | % | KCI Extraction, “As Received” |
Organic Nitrogen | % | KCI Extraction, “As Received” |
pH | — | 1:2 Manure:Water Slurry, “As Received” |
Electrical Conductivity (EC) | mmhos/cm | 1:2 Manure:Water Slurry, “As Received” |
Manure test methods are described in:
Want to learn more? We handle a variety of specialty crops as well as wildlife food plots which can give you insight on your current work. Just click the above links to find out more about either resource.
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