a. Vegetation from the sampling spot is cleaned and a vertical cut made to a depth of 15-25cm for crop land and 5cm for pasture land
b. Take a slice of from the vertical cut using a spade or a soil auger
c. Place it in polythene paper or a suitable container
d. Repeat the above for 15-20 spots depending on the sampling method being used.
e. Mix the sample thoroughly, after being dried and crushed
f. A sub-sample from the mixture is taken and sent to the laboratory for testing (composite sample)
g. The sample must have
1. Name and address of the farmer
2. Field number
3. Date of sampling
joseph rimiru answered the question on November 4, 2017 at 11:20
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