文档介绍：No-Till Drill Operation & Adjustment Workshop
Landisville, PA
October 10, 2007
Presented By – Jim Huber
Triple H. Equipment, Inc.
Set-up & Adjustment Topics
Down Pressure
Openers
Seeding Depth
Seeding Rates
Closing Wheels
Down Pressure Considerations
Ample Frame Weight Is Needed
Weight Is Applied at Specific Tool Points
Tools - Coulters, Openers, & Press Wheels
Springs or Hydraulic & Springs Allow Transfer of Frame Weight
Down Pressure Required Is Determined By:
Manufacturer’s Design
Existing Wear
Soil Conditions
Row Spacing
Down Pressure Designs
Frame Mounted Coulters
Offset Double Disc Openers
Coulter/binations
Offset Double Disc
Haybuster
Parallel Bar Adjustment
Haybuster
Proper Disc Opener Clearances:
Reduce Power To Pull Planter --- Fuel Savings
Reduce Weight Required --------- paction
Improve Depth Control ----------- Improved Stands
Reduce Residue Disturbance ----- Better Soil Cover
Give Better Seed/Soil Contact ---- Improved Germination
Will Resulting In
Seeding Depth Variables
Soil Moisture
Soil Temperature
Seed Size
Seed Type
Seeding Rules of Thumb
Seeding depth is equal to four times seed width
Moisture required for soybeans is four times seed body weight before germination
Pfizer ics