Soil Core Sample Collection for Water Retention Property Analysis

0 weergaven3:10 min • January 15th, 2026

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Identify a sampling area and clear any debris from the surface.

Remove the top crust of the soil to ensure an accurate analysis of the soil core.

Position a sampling ring with its sharp edge facing down on the soil surface.

Place a hammering holder on top of the sampling ring. 

Using a rubber mallet, gently tap the holder to minimize sample compaction. Level the ring with the soil surface. 

Dig around and, using a shovel, carefully lift the soil core along with the sampling ring.

Remove soil from the ring’s exterior.

Using a trowel, level the soil at both ends of the ring and seal them with plastic covers to prevent contamination and moisture loss.

Label and wrap the ring to ensure the sample remains undisturbed.

Place the sample in a plastic bag and then in a cooler to transport it undisturbed for soil water retention analysis.

To begin, choose a representative ground area for sampling and remove any plant material and debris from the soil surface.

Then, excavate the top few centimeters of soil above the desired sampling depth to remove unwanted soil surface crusting or debris.

Place the metal sampling ring, level on the excavated soil surface, ensuring the sharp side is in contact with the soil surface. Place the hammer holder on top of the metal sampling ring so that it is level and well-set.

Now, using a rubber mallet, gently hit the top of the hammering holder repeatedly until the top of the metal core is in line with the soil surface. Then, remove the hammering holder from the top of the metal sampling ring.

To ensure the integrity of the sample, dig around the metal sampling ring, then place a shovel underneath the sample to remove the core from the soil. After that, remove the metal sampling ring from the soil.

Once the metal sampling ring is removed from the soil, carefully extract it from the surrounding bulk soil, which may be attached to the sample.

Level the soil on the top and bottom of the metal sampling ring with a trowel or knife, and place plastic covers on both ends of the metal sampling ring.

Then, use laboratory tape and a permanent marker to place sample labels on the metal sampling ring.

Wrap the sample in bubble wrap or other protective material, and place it in a plastic bag with the corresponding sample label. Then, gently place the sample in a hard cooler or plastic bin.

After obtaining the data using the hydraulic property analyzer instrument, analyze the data in the software to compare each study soil.

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Laatst bijgewerkt: 22 augustus 2026