Fuel Use of Various Tillage Systems

Table 2: Average energy-use rates and fuel requirements for farming tasks.
  1,000 Acres (500 Corn/500 Soybean): All Costs Based on $2.00/gallon diesel
Operation Energy-use rate, PTO hp-hrs/acre Gallons per acre Hours/Acre Conventional Till (Plow, Disk, Cultivate, Plant, Row-Cultivate) Mulch Till/Chisel (Chisel, Disk, Cultivate, Plant, Row Cultivate) Mulch Till/No Chisel (Disk,Cultivate,Plant) No Till
Diesel   Diesel Cost Hours Diesel Cost Hours Diesel Cost Hours Diesel Cost Hours
Shred stalks 10.5 0.72                  
Plow 8 inches deep  24.4 1.68 0.161  $      3,360.00 161.3          
Heavy offset disk 13.8 0.95                
Chisel plow (13.9' Wide) 16 1.1 0.128      $      2,200.00 128.2      
Tandem disk, stalks (24') 6 0.45 0.071          $        900.00 71.4    
Tandem disk, chiseled(24') 7.2 0.55 0.083      $      1,100.00 83.3      
Tandem disk, plowed(24') 9.4 0.65 0.100  $      1,300.00 100.0          
Field cultivate (27') 8 0.6 0.053  $      1,200.00 52.6  $      1,200.00 52.6  $      1,200.00 52.6    
Cultivate row Crops 6 0.45 0.053  $        900.00 52.6          
Anhydrous applicator (13 knives) 500 Acres 9.4 0.65 0.078  $        650.00 39.1  $        650.00 39.1  $        650.00 39.1  $        650.00 39.1
Planting row Crops (12-30" Rows) 6.7 0.5 0.087  $      1,000.00 87.0  $      1,000.00 87.0  $      1,000.00 87.0    
No-till planter (12-30" Rows) 3.9 0.35 0.087              $        700.00 87.0
Grain drill (15' Width) 4.7 0.35 0.132                
Totals:  $      8,410.00 492.6  $      6,150.00 390.2  $      3,750.00 250.1  $      1,350.00 126.0
Gallons 4,205.00 3,075.00 1,875.00 675.00
Gal/Acre 4.21 3.08 1.88 0.68
1.13 2.33 3.53
Costs of additional spraying is not included.  Fuel costs for a sprayer are $200/thousand acres.
Savings on a 1000-Acre Farm
  Diesel ($2/gallon) Time Labor ($10.10/hour)
Tillage System Over More Intensive System Saved Over Conventional Over More Intensive System Total Hours Saved Over Conventional Over More Intensive System Total Hours Saved Over Conventional
Conventional  $          -    $              -   0.0 0.0  $           -    $               -  
Mulch/Chisel  $ 2,260.00  $    2,260.00 102.4 102.4  $ 1,034.07  $      1,034.07
Mulch/High Residue  $ 2,400.00  $    4,660.00 140.1 242.5  $ 1,415.11  $      2,449.18
No-Till  $ 2,400.00  $    7,060.00 124.1 366.6  $ 1,253.01  $      3,702.19
Machinery Costs Calculated from:   http://www.ext.colostate.edu/PUBS/FARMMGT/05006.html
Time Per Acre of Operation:   http://www.extension.iastate.edu/agdm/crops/pdf/a3-24.pdf