Question

The diagram below shows a method of soil sampling

1. Name the method illustrated in the diagram above.
2. State 3 precautions taken when collecting the soil for testing using the above method.
3. Give 4 reasons why soil from the farm is tested.

Answer 1

1. Name the method illustrated in the diagram above.
   • diagonal/transverse method
2. State 3 precautions taken when collecting the soil for testing using the above method.
   • avoid contamination/use sterilized contained
   • avoid sampling soil from unusual sites e.g ant hills
   • avoid mixing top soil with sub soil
3. Give 4 reasons why soil from the farm is tested.
   • To determine the nutrients status of the soil
   • To determine the soil type/ph of fertilizer to add to the soil / lime to add to the soil 
   • to determine the type of crop to grow
   • may help in diagnosing using low crop yield / mineral deficiency