Penetrometer

• Soil test - who does it? [1]
• List of PE degrees - [2]. Civil, structural, architectural, agricultural engineers relate to this.
• For construction - pocket penetrometer - [3]
• For agriculture - Cost of tool is $200 [https://extension.psu.edu/diagnosing-soil-compaction-using-a-penetrometer-soil-compaction-tester#:~:text=A%20penetrometer%20will%20cost%20around%20%24200.
  • Includes howto