When assessing the fertilizer needs of your field, understanding the contents of both your soil and applied manure is helpful. Programs are in place to certify laboratories that offer testing.

Manure Analysis Proficiency (MAP) Program

Manure analysis is strongly recommended to help farmers know the value of manure applied to their crops in place of commercial fertilizer. Using manure in place of commercial fertilizer often results in increased crop yields, but accurate analysis of the manure is crucial.

Soil Testing

Certified soil testing laboratories