1. Locate an area where the samples will be buried.
2. Dig a 30 x 30 cm square hole that is at least 10 cm deep. (it will make it easier to dig a
hole if the study area is watered a day or two before the experiment is to begin.)
3.Place the samples in the hole so that they are not resting on top of each other.
4. Cover the samples with soil.
5. Place a marker over the samples so that you can find them when it is time to dig up
the samples.
6. Wash your hands.
7. After 14 days, return to the site and carefully dig up the samples.
8. Carefully place the samples on a tray or in a box lid to carry them inside. Note: The
Samples may be brittle and may tend to fall apart.
9. place the 10 x 10 cm clear plastic acetate grid over each sample.