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Conservation Tillage - Equipment 1
About This Presentation
This Power Point presentation was prepared by Dave LightleConservation Agronomist at the Lincoln, Soil Lab as part of the Core 4 Initiative. It has nation wide applicability. Dave is instrumental in developing RUSLE databases.
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Conservation Tillage - Equipment 2
How To Use This Presentation
• There are valuable notes attached to most of the slides in this presentation which are not seem when slides are viewed in the “View Show” mode. To see the notes, click the “Outline” tab to the left of the screen. Notes are seen at the bottom of the page.
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Conservation Tillage - Equipment 3
Farm Equipment Identification and Use
Dave LightleConservation Agronomist
Lincoln, Nebraska
Dave LightleConservation Agronomist
Lincoln, Nebraska
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Conservation Tillage - Equipment 4
Objectives:
General (At the end of this session, participants will be able):
• Identify certain farm equipment and become familiar with the equipment’s purpose.
• Be familiar with typical equipment used in conventional as well as the various residue management tillage systems.
• Be familiar with the equipment needed for vegetative establishment.
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Conservation Tillage - Equipment 5
Farm equipment
CONVENTIONAL TILLAGE EQUIPMENT
CONVENTIONAL TILLAGE EQUIPMENT
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Conservation Tillage - Equipment 6
Moldboard plow – Conventional
tillage
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Conservation Tillage - Equipment 7
Tandem disk harrow
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Conservation Tillage - Equipment 8
Field Cultivator
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Conservation Tillage - Equipment 9
Spike Tooth Harrow
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Conservation Tillage - Equipment 10
Roller packer or corrugated roller
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Conservation Tillage - Equipment 11
Bedder Lister
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Conservation Tillage - Equipment 12
CONSERVATION TILLAGE EQUIPMENT
CONSERVATION TILLAGE EQUIPMENT
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Conservation Tillage - Equipment 13
Residue management begins with harvest of the previous crop
• It is much easier to redistribute residue with the harvesting machine than to try to over come the problems later
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Conservation Tillage - Equipment 14
Considerations for Combine Operation
• Leave stubble as high as possible• Loose residue may blow or float away• Avoid frequent stops and resulting residue
bunches
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Conservation Tillage - Equipment 15
Straw and Chaff Management
• Avoid making straw and residue windrows• Retrofit combines with chaff spreaders• Adjust spreaders to redistribute residue and
chaff to as close to full header width as possible
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Conservation Tillage - Equipment 16
Chaff Spreader Attachment
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Conservation Tillage - Equipment 17
Residue Related Planting Problems
• Cool, and wet conditions • Poor control of planting depth• Inadequate seed-soil contact• Uneven stands• Poor seedling vigor
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Conservation Tillage - Equipment 18
Weed Control Problems
• Weed seed accumulations in residues piles result in weedy spots
• Residue piles may intercept herbicides• Weed seed germination may be enhanced in
moist conditions beneath residue piles
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Conservation Tillage - Equipment 19
Other Residue Management Considerations
• Rodent problems• Nutrient tie up• Shredding stubble
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Conservation Tillage - Equipment 20
Coulter-knife Anhydrous Applicator
• Minor changes needed to accommodate residue– Coulters to cut residue and
reduce clogging– Closing disks, etc to close
the slot and redistribute residue
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Conservation Tillage - Equipment 21
Manure Management Equipment & Operation
• Surface application often results in loss of nutrients and risk of air and water pollution
• Incorporation is desirable, but disturbs residue and requires lots of power
• Injection is now possible in no-till with new minimal disturbance injection tools such as one from Bazooka
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Conservation Tillage - Equipment 22
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Conservation Tillage - Equipment 23
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Conservation Tillage - Equipment 24
Planting Equipment for No-till
• Purposes– open seed furrow– meter seed uniformly– place seed in the furrow– cover the seed– firm the seedbed
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Conservation Tillage - Equipment 25
coulterCoulters
• Cut residue and slice open the seed slot
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Conservation Tillage - Equipment 26
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Conservation Tillage - Equipment 27
Coulter types• Fluted - 1 to 1.5 “ best with double disk
openers on most soils– some problems on wet or heavy clay soils
• Bubble and rippled - till narrow 0.5 to 0.75” slot– better in mulch-till and conventional seedbeds
• Smooth and notched smooth - narrowest slot– best in sod but don’t till the slot
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Conservation Tillage - Equipment 28
Multiple coulter systems
• Till a wider seed zone as in zone till and strip till
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Conservation Tillage - Equipment 29
Coulter placement and depth
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Conservation Tillage - Equipment 30
Row cleaners
• Clear row ahead of planter unit• Set to run shallow to move only residue• Little if any tillage should be done since
exposed moist soil is easily compacted by the unit
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Conservation Tillage - Equipment 31
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Conservation Tillage - Equipment 32
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Conservation Tillage - Equipment 33
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Conservation Tillage - Equipment 34
Double Disk Staggered Double Disk
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Conservation Tillage - Equipment 35
Gauge wheels
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Conservation Tillage - Equipment 36
Single press wheel
Double press wheels
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Conservation Tillage - Equipment 37
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Conservation Tillage - Equipment 38
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Conservation Tillage - Equipment 39
Press wheels and seed firmers
• Heavy cast iron press wheels are useful in no-till except in soils easily compacted
• Seed firmers are small devices including small wheels or fingers that firm the bottom of the seed trench for better seed placement
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Conservation Tillage - Equipment 40
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Conservation Tillage - Equipment 41
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Conservation Tillage - Equipment 42
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Conservation Tillage - Equipment 43
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Conservation Tillage - Equipment 44
Insecticide equipment
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Conservation Tillage - Equipment 45
Starter fertilizer 2”to the side and 2”deeper than seed
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Conservation Tillage - Equipment 46
Planter marking systems
• No-till planter markers need extra weight to cut through residue
• These marks can disturb pesticides and lead to weed escapes
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Conservation Tillage - Equipment 47
Sprayers for burndownherbicides
• Select nozzles and set pressure to produce large droplets to prevent drift– 8006 or smaller flat fan nozzles with 30 to 50%
overlap– TK-5 or smaller flood nozzles pointed down
with 100% overlap– To reduce drift and increase accuracy set the
pressure to 20 to 30 psi and cut speeds to less than 12 mph
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Conservation Tillage - Equipment 48
Regular Flat Fan Nozzles
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Conservation Tillage - Equipment 49
Boom set to close - inadequate overlap causes skips
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Conservation Tillage - Equipment 50
Flood Nozzles
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Conservation Tillage - Equipment 51
Drill with coulter caddy
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Conservation Tillage - Equipment 52
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Conservation Tillage - Equipment 53
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Conservation Tillage - Equipment 54
Single disk Openers
Cast iron press wheel
Gauge wheel and single disk opener
Firming wheel
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Conservation Tillage - Equipment 55
Air Seeder
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Conservation Tillage - Equipment 56
Reducing Soil Compaction
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Conservation Tillage - Equipment 57
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Conservation Tillage - Equipment 58
Paraplow
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Conservation Tillage - Equipment 59
Mulch-till Equipment
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Conservation Tillage - Equipment 60
Equipment for Mulch-till
• Three categories– subsurface– primary– secondary
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Conservation Tillage - Equipment 61
Sub-surface tillage
• Examples:– Subsoil chisels, paraplows, vee rippers, disk
sub-soilers• Fracture tillage pans to improve air and
water movement• Operated as deep as 14”• Often require additional operations to break
clods and level the soil
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Conservation Tillage - Equipment 63
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Conservation Tillage - Equipment 64
Primary operationsMulch-till Primary operations
• To loosen and fracture the seedbed• To cut, size and partially bury
residue• If too much is buried, it is difficult to
bring back with secondary operations
• Typical machines–Chisel plows, disks, blade plows
and in some cases, field cultivators
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Conservation Tillage - Equipment 65
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Conservation Tillage - Equipment 66
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Conservation Tillage - Equipment 67
Chisel plow points
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Conservation Tillage - Equipment 68
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Conservation Tillage - Equipment 69
Tandem DiskHarrows
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Conservation Tillage - Equipment 70
Offset Disk Harrow
• Aggressive burial and incorporation• Rarely used for secondary or seedbed
preparation• Avoid use in fragile residues
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Conservation Tillage - Equipment 71
Blade Plows
• 3’ to 5’ sweeps run at shallow depths
• typically used in fallow systems to kill weeds and retain mulch and dry soil on top
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Conservation Tillage - Equipment 72
Secondary tillage tools
• Tandem disks• Field Cultivators• Combination finishing tools
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Conservation Tillage - Equipment 73
Tandem Disks(secondary)
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Conservation Tillage - Equipment 74
Field Cultivators - Secondary
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Conservation Tillage - Equipment 75
Combination Tools and Seedbed Finishers
• Combinations of finishing attachments
• One-pass incorporation and seedbed preparation
• Good residue clearance
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Conservation Tillage - Equipment 76
Other equipment for Mulch-till
• Planters and drills– residue managers and row cleaning disks
needed to remove residues from row– Bubbled coulters are typically used but fluted
and rippled coulters may be needed in heavy residues
– Residue managers and row cleaning disks may also be needed in heavy residues
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Conservation Tillage - Equipment 77
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Conservation Tillage - Equipment 78
Other Mulch-till equipment
• Fertilizer applicators may need coulters to cut through residues and closing disks to seal the slot and redistribute residue
• Manure can be either surface spread and lightly incorporated with tillage or injected
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Conservation Tillage - Equipment 79
Rotary Hoe
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Conservation Tillage - Equipment 80
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Conservation Tillage - Equipment 81
Ridge-till
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Conservation Tillage - Equipment 82
Ridge-till Equipment
• Similar to strip-till except planting is done on a ridge
• Ridges are rebuilt with row cultivation
• Ridges are preserved until the next planting season
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Conservation Tillage - Equipment 83
Harvesting Considerations for Ridge-till
• Combine, tractor and grain cart tire widths and spacing must be changed to run between the ridges
• Wide flotation tires should be replaced with narrow duals with wide spacers
• Incidental traffic should be avoided or restricted to end rows or to the same rows traveled by the combine
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Conservation Tillage - Equipment 84
Ridge-till Planting Equipment• A row cleaning device is required to skim
the top 1 -2 inches of the ridge• Disk furrowers, staggered notched disk
furrowers, sweeps with trash guards and horizontal disks are available
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Conservation Tillage - Equipment 85
Ridge-till Planter
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Conservation Tillage - Equipment 86
Specialized Equipment for Ridge-till
• Planters can be equipped with spray equipment to band spray chemicals during planting
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Conservation Tillage - Equipment 87
Specialized Equipment for RidgeTill
• The ridge-till cultivator cleans the row middles and rebuilds the ridges
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Conservation Tillage - Equipment 88
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Conservation Tillage - Equipment 89
Specialized equipment for ridge-till• All traffic is confined to the same rows but
compaction can result• Between row subsoilers can alleviate this
compaction if done when soils are dry• Fertilizer and manure application equipment
is the same as discussed under No-till except for preservation of the ridge geometry
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Conservation Tillage - Equipment 90
Farm Equipment
• Relationship to models and evaluation tools– RUSLE2– Soil Conditioning Index– Soil Tillage Intensity Rating– Manure Management Planner– Wind Erosion Equation– Energy Calculator
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Conservation Tillage - Equipment 91
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Conservation Tillage - Equipment 92
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Conservation Tillage - Equipment 93
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Conservation Tillage - Equipment 94
Specific Outcomes : At the end of this session students will:
• Have an understanding of farm equipment and that will enable the employee to relate to the client.
• Understand the effects of equipment used in conventional tillage.
• Be able to offer alternatives that will improve the resource concern.
• Understand the particular equipment needed for successful implementation of residue management systems.
• Be able to provide technical assistance to clients that will improve the resource concern.
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Conservation Tillage - Equipment 95
THE END