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Soil Sampling Quiz

True/False
Indicate whether the statement is true or false.
 

 1. 

A good soil sample is the first step in a successful nutrient management program.
 

 2. 

Nutrient content rarely varies with soil depth.
 

 3. 

When taking a soil sample in a crop field, it is best to take the sample in the old crop row since that is where the crop grows.
 

 4. 

There is only one way to properly take soil samples in a field and that is using a grid pattern.
 

 5. 

For long term results, annual soil sampling should take place at the about the same time of the year, in nearly the same location and at the same relative depth as past years. This allows a fair evaluation of past soil test results.
 

Completion
Complete each statement.
 

 6. 

Base the number of soil samples needed, known as _____________________ 

_______________________, on the expected variability of the soil.
 

 

 7. 

________________________ influences the degree of mixing of nutrients in the soil and nutrient movement through the soil profile.
 

 

 8. 

Some nutrients become ____________________ or layered at various depths in the soil.
 

 

Short Answer
 

 9. 

The greatest potential for error in soil testing is in _____________________

___________ ________________________.
 

 10. 

GPS stands for:  __________________ _____________________ _______________
 



 
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