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Manure is a highly valuable resource for a variety of crops. Testing manure for nutrient content gives you important information on what you are applying and ensures the products you are purchasing will help you meet your yield goals efficiently. Manure analysis leads to increased profit and insight into the yield potential of your farm land. The most accurate way to manage your yield potential is to analyze your applied manure for nutrient content.

Overview: This package is designed to meet the minimum reporting requirements of Minnesota and South Dakota state agencies. 

East Prairie Laboratories is a member of the Minnesota Manure Proficiency Program and listed as an approved testing laboratory. (CLICK HERE)

• Total Nitrogen (TKN) • Phosphorus (P2O5) • Potassium (K2O) • %Dry Matter

• Total Nitrogen (TKN) • Phosphorus (P2O5) • Potassium (K2O) • Calcium • Magnesium • Sodium

• pH • Ec • %Dry Matter 

Overview: Spring Application Package is available between the months of March 1st and May 31st. ( 3-month window )

• Total Nitrogen (TKN) •Phosphorus (P2O5) • Potassium (K2O) • Calcium • Magnesium • Sodium

• Iron • Copper • Manganese • Zinc • pH • Ec • %Dry Matter • %Moisture • C:N Ratio

• TKN • NH4 • NO3 • Total Nitrogen • P2O5 • Phosphorus Total • K2O • Potassium Total 

• Calcium • Magnesium • Sodium • Manganese • Copper • Iron • Zinc • Boron • Molybdenum 

• Sulfur • pH • EC • TDS • (Solids, TS, FS, VS) • %DM • %C • C:N Ratio

• TKN • NH4 • NO3 • Total Nitrogen • P2O5 • Phosphorus Total • K2O • Potassium Total 

• Calcium • Magnesium • Sodium • Manganese • Copper • Iron • Zinc • Boron • Molybdenum 

• Sulfur • pH • EC • TDS • (Solids, TS, FS, VS) • %Dry Matter • %Total Carbon • C:N Ratio

• TKN • NH4 • NO3 • Total Nitrogen • P2O5 • Phosphorus Total • K2O • Potassium Total 

• Calcium • Magnesium • Sodium • Manganese • Copper • Iron • Zinc • Boron • Molybdenum 

• Sulfur • pH • EC • TDS • (Solids, TS, FS, VS) • %Dry Matter • %Total Carbon • C:N Ratio

 - Note - 

Optional Anaerobic bacteria count available for an additional $25.00 charge. 

Ash ....................................................$6.25
Biological Oxygen Demand (5 day)...$28.75
Bulk Density.......................................$6.75
Chemical Oxygen Demand...............$22.00
Chloride ............................................$7.75
Organic Carbon ................................$8.75

pH & EC.............................................$5.50

Total Alkalinity ..................................$11.00

Total Carbon......................................$7.75

Total Dissolved Solids .......................$9.25

Total Suspended Solids.....................$9.25

Common Questions

Q. Why Should I analyze my manure?

A. Manure analysis gives you a deep dive view into your fertility program. Every farm operation has their own way of doing things. But without the right information its hard to make the right choices. Especially when you're dealing with low commodity prices.

Tractor with manure spreader on a field

Q. What are the instructions for liquid and semi-liquid samples?

A. Sample liquid or semi-liquid manure when manure is applied. Sampling in storage can be dangerous due to harmful fumes. Here are the recommended methods for sampling:

  1. Collect many samples from the spreader or during pit pumping, and combine them in a clean plastic bucket.

  2. Stir the manure ensuring that any solids are suspended.

  3. Subsample from this mixture quickly before solids settle out.

  4. Place subsample in a well-labeled, plastic, wide-mouth container with a screw-top lid. Do not use glass containers as they can break in response to gas expansion.

  5. If the sample must be mailed, freeze the sample and place in a sealed plastic bag.

Tractor with liquid manure on the field

Q. Whats the proper way to take a manure sample, and how much should I take?

A. Is it liquid, semi-liquid, or solid? Depending on the answer you will have different instructions for how to collect the sample. Quantity wise however is much easier to answer. A good rule of thumb is roughly 250 grams of either liquid, semi-liquid, or solid manure sample. 

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Q. What are the instructions for solid manure samples?

A. Solid manure varies in nutrient content more than liquid manure across storage. Therefore, the key to accuracy is sampling at many sites. During sampling, wear gloves and appropriate personal protective equipment.

  1. Collect multiple samples from various places in the manure pile, and place them in a clean plastic bucket. If collecting during application, sample from each load to represent the beginning and end of application. If collecting from storage, avoid sampling from the top or edges of the pile where a crust has formed.

  2. Mix the manure samples well.

  3. Place a subsample in a one-gallon size sealable plastic bag. Remove as much air from the bag as possible before sealing.

  4. Double-bag the sample with another sealable plastic bag.

  5. Label well, and freeze the sample if not immediately brought to East Prairie.

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