Maximize your yields and work to decrease your costs with the economical, easy-to-use DICKEY-john Soil Compaction Tester. This easy-to-use tool quantifies soil compaction so you can develop a targeted plan for optimum yields and cost-effective production. Heavily compacted soil can inhibit root growth and reduce yields. The Soil Compaction Tester therefore becomes a useful diagnostic tool for yield issues identified by the yield monitor. To measure compaction in your fields, simply push the tester into the ground at various locations to determine problem areas and pressure increases and decreases. The soil Compaction Tester gauge gives you readings of pressure required to penetrate your soil in pounds bars.