To calculate the residue cover, select from the following configurations and press calculate:

The residue calculations are based on Extension Publication  PM1901a, page 5.

Crop

Soybean Corn

Fall Tillage 1

None Combination tools: Chisel-subsoiler Combination tools: Disk-subsoiler Chisel plows with: Sweeps Chisel plows with: Straight spike points Chisel plows with: Twisted points or shovels Disk chisel plow with: Sweeps Disk chisel plow with: Straight points or shovels Disk chisel plow with: Twisted points or shovels Disk harrows: Tandem or offset: Primary tillage Disk harrows: Tandem or offset: Secondary tillage Field Cultivators: Used as primary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as primary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as primary tillage: Duckfoot points Field Cultivators: Used as secondary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as secondary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as secondary tillage: Duckfoot points Finishing Tools: Disks, shanks, and leveling attachments Finishing Tools: Spring teeth and rolling baskets Harrows: Spring tooth (coil tine) Harrows: Spike tooth Harrows: Flex-tine tooth Light tandem disk after harvest, before other tillage Machines that fracture soil: Paratill/Paraplow Machines that fracture soil: V Ripper/Subsoiler Plows: Moldboard plow Plows: Disk plow Rotary tiller: Primary operation 6” deep Rotary tiller:Secondary operation 3” deep Rotary tiller: Strip tiller (12” tilled on 36” rows) Knife applicator with: Rigid shanks Knife applicator with: Rigid shanks with coulters Knife applicator with: Coil shanks Knife applicator with: Coil shanks with coulters Knife applicator with: Closing disks Manure injector / applicator with: Chisel or sweep injectors Manure injector / applicator with: Disk applicators Manure injector / applicator with: Coulter applicators Stalk chopper / shredder

Fall Tillage2

None Combination tools: Chisel-subsoiler Combination tools: Disk-subsoiler Chisel plows with: Sweeps Chisel plows with: Straight spike points Chisel plows with: Twisted points or shovels Disk chisel plow with: Sweeps Disk chisel plow with: Straight points or shovels Disk chisel plow with: Twisted points or shovels Disk harrows: Tandem or offset: Primary tillage Disk harrows: Tandem or offset: Secondary tillage Field Cultivators: Used as primary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as primary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as primary tillage: Duckfoot points Field Cultivators: Used as secondary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as secondary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as secondary tillage: Duckfoot points Finishing Tools: Disks, shanks, and leveling attachments Finishing Tools: Spring teeth and rolling baskets Harrows: Spring tooth (coil tine) Harrows: Spike tooth Harrows: Flex-tine tooth Light tandem disk after harvest, before other tillage Machines that fracture soil: Paratill/Paraplow Machines that fracture soil: V Ripper/Subsoiler Plows: Moldboard plow Plows: Disk plow Rotary tiller: Primary operation 6” deep Rotary tiller:Secondary operation 3” deep Rotary tiller: Strip tiller (12” tilled on 36” rows) Knife applicator with: Rigid shanks Knife applicator with: Rigid shanks with coulters Knife applicator with: Coil shanks Knife applicator with: Coil shanks with coulters Knife applicator with: Closing disks Manure injector / applicator with: Chisel or sweep injectors Manure injector / applicator with: Disk applicators Manure injector / applicator with: Coulter applicators Stalk chopper / shredder

Spring Tillage 1

None Combination tools: Chisel-subsoiler Combination tools: Disk-subsoiler Chisel plows with: Sweeps Chisel plows with: Straight spike points Chisel plows with: Twisted points or shovels Disk chisel plow with: Sweeps Disk chisel plow with: Straight points or shovels Disk chisel plow with: Twisted points or shovels Disk harrows: Tandem or offset: Primary tillage Disk harrows: Tandem or offset: Secondary tillage Field Cultivators: Used as primary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as primary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as primary tillage: Duckfoot points Field Cultivators: Used as secondary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as secondary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as secondary tillage: Duckfoot points Finishing Tools: Disks, shanks, and leveling attachments Finishing Tools: Spring teeth and rolling baskets Harrows: Spring tooth (coil tine) Harrows: Spike tooth Harrows: Flex-tine tooth Light tandem disk after harvest, before other tillage Machines that fracture soil: Paratill/Paraplow Machines that fracture soil: V Ripper/Subsoiler Plows: Moldboard plow Plows: Disk plow Rotary tiller: Primary operation 6” deep Rotary tiller:Secondary operation 3” deep Rotary tiller: Strip tiller (12” tilled on 36” rows) Knife applicator with: Rigid shanks Knife applicator with: Rigid shanks with coulters Knife applicator with: Coil shanks Knife applicator with: Coil shanks with coulters Knife applicator with: Closing disks Manure injector / applicator with: Chisel or sweep injectors Manure injector / applicator with: Disk applicators Manure injector / applicator with: Coulter applicators Stalk chopper / shredder

Spring Tillage 2

None Combination tools: Chisel-subsoiler Combination tools: Disk-subsoiler Chisel plows with: Sweeps Chisel plows with: Straight spike points Chisel plows with: Twisted points or shovels Disk chisel plow with: Sweeps Disk chisel plow with: Straight points or shovels Disk chisel plow with: Twisted points or shovels Disk harrows: Tandem or offset: Primary tillage Disk harrows: Tandem or offset: Secondary tillage Field Cultivators: Used as primary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as primary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as primary tillage: Duckfoot points Field Cultivators: Used as secondary tillage: Sweeps 12” to 20” wide Field Cultivators: Used as secondary tillage: Sweeps or shovels 6” to 12” wide Field Cultivators: Used as secondary tillage: Duckfoot points Finishing Tools: Disks, shanks, and leveling attachments Finishing Tools: Spring teeth and rolling baskets Harrows: Spring tooth (coil tine) Harrows: Spike tooth Harrows: Flex-tine tooth Light tandem disk after harvest, before other tillage Machines that fracture soil: Paratill/Paraplow Machines that fracture soil: V Ripper/Subsoiler Plows: Moldboard plow Plows: Disk plow Rotary tiller: Primary operation 6” deep Rotary tiller:Secondary operation 3” deep Rotary tiller: Strip tiller (12” tilled on 36” rows) Knife applicator with: Rigid shanks Knife applicator with: Rigid shanks with coulters Knife applicator with: Coil shanks Knife applicator with: Coil shanks with coulters Knife applicator with: Closing disks Manure injector / applicator with: Chisel or sweep injectors Manure injector / applicator with: Disk applicators Manure injector / applicator with: Coulter applicators Stalk chopper / shredder

Planting

None Conventional planters with: Runner openers Conventional planters with: Staggered double disk openers Conventional planters with: Double disk openers Drills: Hoe opener drills Drills: Semi-deep furrow drill or press drill (7” to 12” spacing) Drills: Deep furrow drill with 12” spacing Drills: Single disk opener drills Drills: Double disk opener drills Drills with Smooth coulters Drills with Ripple or bubble coulters Drills with Fluted coulters Planters with: Smooth coulters Planters with: Ripple or bubble coulters Planters with: Fluted coulters Ridge-till planter Rotary hoe Strip-till planters with:2 or 3 fluted coulters Strip-till planters with: Row cleaning devices