Polytest Laboratories Soil Samplers

The procedure for obtaining soil samples vary
according to the purpose of sampling such as
for engineering and agricultural purposes.
In this Technote, soil sampling for agricultural
purpose is described for soil fertility evaluation
and fertilizer recommendations for crops.
The results of even very carefully conducted soil
analysis are as good as the soil sample itself.
Thus, the efficiency of soil testing service
depends upon the care and skill of soil
sampling. Non-representative samples
constitute the largest single source of error in
the entire soil fertility programme. It is the most
important phase of soil analysis is accomplished
not in a lab but in the field