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How to Read a Manure Sample Report
Correctly sampling manure can be a challenge. Try to obtain a representative sample and get the sample to the lab as close as possible to the time when manure is going to be applied. It is preferable to obtain sample results before land application so that appropriate application rates can be determined.
Slurry samples should be taken at the time the slurry is being applied, so that you have a good mix of the manure storage. The amount of material is usually recorded in gallons per acre and once the analysis is received, the amount of nutrients can be calculated. If you want to take a slurry sample before application, the manure storage would have to be mixed very well. It is difficult to get a good representative sample from a manure storage by just reaching in and grabbing a sample.