Soil Compaction - Dan Fromme
12
Soil Compaction Soil Compaction Dan Fromme Professor-State Specialist Cotton, Corn, and Grain Sorghum LSU AgCenter Dean Lee Research & Extension Center Alexandria, LA Dan Fromme Professor-State Specialist Cotton, Corn, and Grain Sorghum LSU AgCenter Dean Lee Research & Extension Center Alexandria, LA
Transcript of Soil Compaction - Dan Fromme
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
Alexandria, LouisianaAlexandria, Louisiana
LocationsLocations
IssueIssue
• Yield Reduction• Yield Reduction
Compaction Induced Deficiencies - K & NCompaction Induced Deficiencies - K & N
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
University of Kentucky-ExtensionUniversity of Kentucky-Extension
University of Kentucky-ExtensionUniversity of Kentucky-Extension
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
Thank YouThank You
