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Subsampling Services In Illinois
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by:Illinois Soil Testing Association (ISTA) based inCharleston, ILLINOIS (USA)
A soil test is only as good as the sample provided to the testing lab. Generally, a subsample should be taken from the layer of the soil from the surface to 7 inches eep. Three to five subsamples should be collected from 3 to 10 acres. Because of soil variations, taking too few samples by subsampling too large an area may not give an accurate ...