Post on 02-Dec-2021
Soil CompactionSoil Compaction
Dan FrommeProfessor-State Specialist
Cotton, Corn, and Grain SorghumLSU AgCenter
Dean Lee Research & Extension CenterAlexandria, LA
Dan FrommeProfessor-State Specialist
Cotton, Corn, and Grain SorghumLSU AgCenter
Dean Lee Research & Extension CenterAlexandria, LA
Soil PenetrometerSoil Penetrometer
3-inch intervals Green – 0-200 psiYellow- 200-300 psiRed- 300 psi and above
$200
When to testWhen to test
• Field Capacity– About 24 hours after a soaking rain– Early spring or late winte– Too wet-under estimate– Too dry-over estimate
• Field Capacity– About 24 hours after a soaking rain– Early spring or late winte– Too wet-under estimate– Too dry-over estimate
SolutionsSolutions
• Tillage• Every 3 years?• It depends
– Soil type– Tillage practices– Trips across the field when wet– Hard heavy rains
• Tillage• Every 3 years?• It depends
– Soil type– Tillage practices– Trips across the field when wet– Hard heavy rains