Documentation

Crop Assumptions

Annual Fertilizer/Fuel Use per Acre

Crop Practice Fertilizer (N) Fertilizer (K) Fertilizer (P) Diesel Propane Electricity
Corn (following corn) (Intensive Tillage) 186 lb 50 lb 62 lb 11.65 gal 9.6 gal 35.6 kwh $130.26
Corn (following corn) (No-till) 186 lb 50 lb 62 lb 4.1 gal 9.6 gal 35.6 kwh $110.66
Corn (following corn) (Reduced Tillage) 186 lb 50 lb 62 lb 7.2 gal 9.6 gal 35.6 kwh $118.70
Corn (following soybeans) (Intensive Tillage) 131 lb 54 lb 68 lb 11.65 gal 9.6 gal 35.6 kwh $115.79
Corn (following soybeans) (No-till) 131 lb 54 lb 68 lb 4.1 gal 9.6 gal 35.6 kwh $96.19
Corn (following soybeans) (Reduced Tillage) 131 lb 54 lb 68 lb 7.2 gal 9.6 gal 35.6 kwh $104.24

Corn (following corn) (Intensive Tillage)

Annual fertilizer/fuel use per acre: 186 lb Fertilizer (N), 50 lb Fertilizer (K), 62 lb Fertilizer (P), 11.65 gal Diesel, 9.6 gal Propane, and 35.6 kwh Electricity
Energy cost per acre: $130.26

Energy Use Data Source Notes Cost
Drying $17.70
Grain Dryer (Propane) 9.6 gal propane -
Grain Dryer (Electricity) 35.6 kwh electricity -
Fertilizer $82.31
Nitrogen Fertilizer, Corn following Corn 186 lb fertilizer (n) ISU Extension Publication A1-20 165 bu. per acre harvest
Phosphorus Fertilizer, Corn following Corn 62 lb fertilizer (p) ISU Extension Publication A1-20 165 bu. per acre harvest
Potash Fertilizer, Corn following Corn 50 lb fertilizer (k) ISU Extension Publication A1-20 165 bu. per acre harvest
Field Operations $30.24
Moldboard Plow 0.35 gal diesel - Why is this not 1.7?
Subsoiler or Chiselplow 1.4 gal diesel ISU Extension Publication A3-27 Average of Subsoiler/Ripper (1.1 gal/ac) and Chiselplow (1.7 gal/ac)
Disk-chisel Plow 1.3 gal diesel ISU Extension Publication A3-27
Offset Disk 0.85 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Tandem Disk, 2nd 0.55 gal diesel ISU Extension Publication A3-27
Tandem Disk, 3rd 0.45 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Field Cultivate, 2nd 0.65 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Till Planter 0.55 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, corn 1.45 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.2 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27

Corn (following corn) (No-till)

Annual fertilizer/fuel use per acre: 186 lb Fertilizer (N), 50 lb Fertilizer (K), 62 lb Fertilizer (P), 4.1 gal Diesel, 9.6 gal Propane, and 35.6 kwh Electricity
Energy cost per acre: $110.66

Energy Use Data Source Notes Cost
Drying $17.70
Grain Dryer (Propane) 9.6 gal propane -
Grain Dryer (Electricity) 35.6 kwh electricity -
Fertilizer $82.31
Nitrogen Fertilizer, Corn following Corn 186 lb fertilizer (n) ISU Extension Publication A1-20 165 bu. per acre harvest
Phosphorus Fertilizer, Corn following Corn 62 lb fertilizer (p) ISU Extension Publication A1-20 165 bu. per acre harvest
Potash Fertilizer, Corn following Corn 50 lb fertilizer (k) ISU Extension Publication A1-20 165 bu. per acre harvest
Field Operations $10.64
Spreader 0.15 gal diesel ISU Extension Publication A3-27
No-Till Planter 0.45 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, corn 1.45 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.2 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27

Corn (following corn) (Reduced Tillage)

Annual fertilizer/fuel use per acre: 186 lb Fertilizer (N), 50 lb Fertilizer (K), 62 lb Fertilizer (P), 7.2 gal Diesel, 9.6 gal Propane, and 35.6 kwh Electricity
Energy cost per acre: $118.70

Energy Use Data Source Notes Cost
Drying $17.70
Grain Dryer (Propane) 9.6 gal propane -
Grain Dryer (Electricity) 35.6 kwh electricity -
Fertilizer $82.31
Nitrogen Fertilizer, Corn following Corn 186 lb fertilizer (n) ISU Extension Publication A1-20 165 bu. per acre harvest
Phosphorus Fertilizer, Corn following Corn 62 lb fertilizer (p) ISU Extension Publication A1-20 165 bu. per acre harvest
Potash Fertilizer, Corn following Corn 50 lb fertilizer (k) ISU Extension Publication A1-20 165 bu. per acre harvest
Field Operations $18.69
Strip Till Plow 1.1 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Till Planter 0.55 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, corn 1.45 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.2 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27

Corn (following soybeans) (Intensive Tillage)

Annual fertilizer/fuel use per acre: 131 lb Fertilizer (N), 54 lb Fertilizer (K), 68 lb Fertilizer (P), 11.65 gal Diesel, 9.6 gal Propane, and 35.6 kwh Electricity
Energy cost per acre: $115.79

Energy Use Data Source Notes Cost
Drying $17.70
Grain Dryer (Propane) 9.6 gal propane -
Grain Dryer (Electricity) 35.6 kwh electricity -
Fertilizer $67.84
Nitrogen Fertilizer, Corn following Soybeans 131 lb fertilizer (n) ISU Extension Publication A1-20 180 bu. per acre harvest
Phosphorus Fertilizer, Corn following Soybeans 68 lb fertilizer (p) ISU Extension Publication A1-20 180 bu. per acre harvest
Potash Fertilizer, Corn following Soybeans 54 lb fertilizer (k) ISU Extension Publication A1-20 180 bu. per acre harvest
Field Operations $30.24
Moldboard Plow 0.35 gal diesel - Why is this not 1.7?
Subsoiler or Chiselplow 1.4 gal diesel ISU Extension Publication A3-27 Average of Subsoiler/Ripper (1.1 gal/ac) and Chiselplow (1.7 gal/ac)
Disk-chisel Plow 1.3 gal diesel ISU Extension Publication A3-27
Offset Disk 0.85 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Tandem Disk, 2nd 0.55 gal diesel ISU Extension Publication A3-27
Tandem Disk, 3rd 0.45 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Field Cultivate, 2nd 0.65 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Till Planter 0.55 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, corn 1.45 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.2 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27

Corn (following soybeans) (No-till)

Annual fertilizer/fuel use per acre: 131 lb Fertilizer (N), 54 lb Fertilizer (K), 68 lb Fertilizer (P), 4.1 gal Diesel, 9.6 gal Propane, and 35.6 kwh Electricity
Energy cost per acre: $96.19

Energy Use Data Source Notes Cost
Drying $17.70
Grain Dryer (Propane) 9.6 gal propane -
Grain Dryer (Electricity) 35.6 kwh electricity -
Fertilizer $67.84
Nitrogen Fertilizer, Corn following Soybeans 131 lb fertilizer (n) ISU Extension Publication A1-20 180 bu. per acre harvest
Phosphorus Fertilizer, Corn following Soybeans 68 lb fertilizer (p) ISU Extension Publication A1-20 180 bu. per acre harvest
Potash Fertilizer, Corn following Soybeans 54 lb fertilizer (k) ISU Extension Publication A1-20 180 bu. per acre harvest
Field Operations $10.64
Spreader 0.15 gal diesel ISU Extension Publication A3-27
No-Till Planter 0.45 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, corn 1.45 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.2 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27

Corn (following soybeans) (Reduced Tillage)

Annual fertilizer/fuel use per acre: 131 lb Fertilizer (N), 54 lb Fertilizer (K), 68 lb Fertilizer (P), 7.2 gal Diesel, 9.6 gal Propane, and 35.6 kwh Electricity
Energy cost per acre: $104.24

Energy Use Data Source Notes Cost
Drying $17.70
Grain Dryer (Propane) 9.6 gal propane -
Grain Dryer (Electricity) 35.6 kwh electricity -
Fertilizer $67.84
Nitrogen Fertilizer, Corn following Soybeans 131 lb fertilizer (n) ISU Extension Publication A1-20 180 bu. per acre harvest
Phosphorus Fertilizer, Corn following Soybeans 68 lb fertilizer (p) ISU Extension Publication A1-20 180 bu. per acre harvest
Potash Fertilizer, Corn following Soybeans 54 lb fertilizer (k) ISU Extension Publication A1-20 180 bu. per acre harvest
Field Operations $18.69
Strip Till Plow 1.1 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Till Planter 0.55 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, corn 1.45 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.2 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27

Annual Fertilizer/Fuel Use per Acre

Crop Practice Fertilizer (N) Fertilizer (K) Fertilizer (P) Diesel
Corn Silage (Intensive Tillage) 150 lb 192 lb 84 lb 22.25 gal $160.88
Corn Silage (No-till) 150 lb 192 lb 84 lb 14.7 gal $141.28
Corn Silage (Reduced Tillage) 150 lb 192 lb 84 lb 17.8 gal $149.33

Corn Silage (Intensive Tillage)

Annual fertilizer/fuel use per acre: 150 lb Fertilizer (N), 192 lb Fertilizer (K), 84 lb Fertilizer (P), and 22.25 gal Diesel
Energy cost per acre: $160.88

Energy Use Data Source Notes Cost
Fertilizer $103.12
Nitrogen Fertilizer, Corn Silage following Corn 150 lb fertilizer (n) ISU Extension Publication A1-20 24 tons per acre harvest
Phosphorous Fertilizer, Corn Silage following Corn 84 lb fertilizer (p) ISU Extension Publication A1-20 24 tons per acre harvest
Potash Fertilizer, Corn Silage following Corn 192 lb fertilizer (k) ISU Extension Publication A1-20 24 tons per acre harvest
Field Operations $57.76
Moldboard Plow 0.35 gal diesel - Why is this not 1.7?
Subsoiler or Chiselplow 1.4 gal diesel ISU Extension Publication A3-27 Average of Subsoiler/Ripper (1.1 gal/ac) and Chiselplow (1.7 gal/ac)
Disk-chisel Plow 1.3 gal diesel ISU Extension Publication A3-27
Offset Disk 0.85 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Tandem Disk, 2nd 0.55 gal diesel ISU Extension Publication A3-27
Tandem Disk, 3rd 0.45 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Field Cultivate, 2nd 0.65 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Till Planter 0.55 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Corn Silage Harvester 3.25 gal diesel ISU Extension Publication A3-27
Corn Silage Blower 1.25 gal diesel ISU Extension Publication A3-27
Haul Corn Silage (field w/ .5 mi. gravel) 1.25 gal diesel ISU Extension Publication A3-27
Haul Corn Silage (+ 10 mi. gravel) 8.0 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Corn Silage (No-till)

Annual fertilizer/fuel use per acre: 150 lb Fertilizer (N), 192 lb Fertilizer (K), 84 lb Fertilizer (P), and 14.7 gal Diesel
Energy cost per acre: $141.28

Energy Use Data Source Notes Cost
Fertilizer $103.12
Nitrogen Fertilizer, Corn Silage following Corn 150 lb fertilizer (n) ISU Extension Publication A1-20 24 tons per acre harvest
Phosphorous Fertilizer, Corn Silage following Corn 84 lb fertilizer (p) ISU Extension Publication A1-20 24 tons per acre harvest
Potash Fertilizer, Corn Silage following Corn 192 lb fertilizer (k) ISU Extension Publication A1-20 24 tons per acre harvest
Field Operations $38.16
Spreader 0.15 gal diesel ISU Extension Publication A3-27
No-Till Planter 0.45 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Corn Silage Harvester 3.25 gal diesel ISU Extension Publication A3-27
Corn Silage Blower 1.25 gal diesel ISU Extension Publication A3-27
Haul Corn Silage (field w/ .5 mi. gravel) 1.25 gal diesel ISU Extension Publication A3-27
Haul Corn Silage (+ 10 mi. gravel) 8.0 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Corn Silage (Reduced Tillage)

Annual fertilizer/fuel use per acre: 150 lb Fertilizer (N), 192 lb Fertilizer (K), 84 lb Fertilizer (P), and 17.8 gal Diesel
Energy cost per acre: $149.33

Energy Use Data Source Notes Cost
Fertilizer $103.12
Nitrogen Fertilizer, Corn Silage following Corn 150 lb fertilizer (n) ISU Extension Publication A1-20 24 tons per acre harvest
Phosphorous Fertilizer, Corn Silage following Corn 84 lb fertilizer (p) ISU Extension Publication A1-20 24 tons per acre harvest
Potash Fertilizer, Corn Silage following Corn 192 lb fertilizer (k) ISU Extension Publication A1-20 24 tons per acre harvest
Field Operations $46.21
Strip Till Plow 1.1 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Till Planter 0.55 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Corn Silage Harvester 3.25 gal diesel ISU Extension Publication A3-27
Corn Silage Blower 1.25 gal diesel ISU Extension Publication A3-27
Haul Corn Silage (field w/ .5 mi. gravel) 1.25 gal diesel ISU Extension Publication A3-27
Haul Corn Silage (+ 10 mi. gravel) 8.0 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Annual Fertilizer/Fuel Use per Acre

Crop Practice Fertilizer (K) Fertilizer (P) Diesel
Forage/Haylage (Intensive Tillage) 125 lb 35 lb 20.48 gal $85.30
Forage/Haylage (No-till) 125 lb 35 lb 18.85 gal $81.06
Forage/Haylage (Reduced Tillage) 125 lb 35 lb 19.67 gal $83.19

Forage/Haylage (Intensive Tillage)

Annual fertilizer/fuel use per acre: 125 lb Fertilizer (K), 35 lb Fertilizer (P), and 20.48 gal Diesel
Energy cost per acre: $85.30

Energy Use Data Source Notes Cost
Fertilizer $32.13
Phosphorous Fertilizer, Alfalfa 35 lb fertilizer (p) ISU Extension Publication A1-20 Assumes two and a half tons per acre from two alfalfa cuttings
Potash Fertilizer, Alfalfa 125 lb fertilizer (k) ISU Extension Publication A1-20 Assumes two and a half tons per acre from two alfalfa cuttings.
Field Operations $53.17
Pre Harvest Machinery 1.2167 gal diesel - Not clear what Pre Harvest Machinery involves... Listed as 3.65/3.
Subsoiler or Chiselplow 0.466 gal diesel ISU Extension Publication A3-27 Average of Subsoiler/Ripper (1.1 gal/ac) and Chiselplow (1.7 gal/ac) operated every third year.
Disk-chisel Plow 0.433 gal diesel ISU Extension Publication A3-27
Offset Disk 0.2833 gal diesel ISU Extension Publication A3-27
Tandem Disk 0.2167 gal diesel ISU Extension Publication A3-27
Field Cultivate 0.2333 gal diesel ISU Extension Publication A3-27
Spreader 0.05 gal diesel ISU Extension Publication A3-27
Air Drill 0.2333 gal diesel ISU Extension Publication A3-27
Green Forage Harvester 0.85 gal diesel ISU Extension Publication A3-27
Green Forage Blower 0.3 gal diesel ISU Extension Publication A3-27
Haul Green Forage (field w/ .5 mi. gravel) 0.3 gal diesel ISU Extension Publication A3-27
Haul Green Forage (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed
Mower 0.9 gal diesel ISU Extension Publication A3-27
Rake 0.75 gal diesel ISU Extension Publication A3-27
Self-Propelled Windrower 1.35 gal diesel ISU Extension Publication A3-27
Small Square Baler 1.2 gal diesel ISU Extension Publication A3-27
Haylage Harvester 1.15 gal diesel ISU Extension Publication A3-27
Haylage Blower 0.25 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.8 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 8.0 gal diesel ISU Extension Publication A3-27

Forage/Haylage (No-till)

Annual fertilizer/fuel use per acre: 125 lb Fertilizer (K), 35 lb Fertilizer (P), and 18.85 gal Diesel
Energy cost per acre: $81.06

Energy Use Data Source Notes Cost
Fertilizer $32.13
Phosphorous Fertilizer, Alfalfa 35 lb fertilizer (p) ISU Extension Publication A1-20 Assumes two and a half tons per acre from two alfalfa cuttings
Potash Fertilizer, Alfalfa 125 lb fertilizer (k) ISU Extension Publication A1-20 Assumes two and a half tons per acre from two alfalfa cuttings.
Field Operations $48.93
Pre Harvest Machinery 1.2167 gal diesel - Not clear what Pre Harvest Machinery involves... Listed as 3.65/3.
Spreader 0.05 gal diesel ISU Extension Publication A3-27
Air Drill 0.2333 gal diesel ISU Extension Publication A3-27
Green Forage Harvester 0.85 gal diesel ISU Extension Publication A3-27
Green Forage Blower 0.3 gal diesel ISU Extension Publication A3-27
Haul Green Forage (field w/ .5 mi. gravel) 0.3 gal diesel ISU Extension Publication A3-27
Haul Green Forage (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed
Mower 0.9 gal diesel ISU Extension Publication A3-27
Rake 0.75 gal diesel ISU Extension Publication A3-27
Self-Propelled Windrower 1.35 gal diesel ISU Extension Publication A3-27
Small Square Baler 1.2 gal diesel ISU Extension Publication A3-27
Haylage Harvester 1.15 gal diesel ISU Extension Publication A3-27
Haylage Blower 0.25 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.8 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 8.0 gal diesel ISU Extension Publication A3-27

Forage/Haylage (Reduced Tillage)

Annual fertilizer/fuel use per acre: 125 lb Fertilizer (K), 35 lb Fertilizer (P), and 19.67 gal Diesel
Energy cost per acre: $83.19

Energy Use Data Source Notes Cost
Fertilizer $32.13
Phosphorous Fertilizer, Alfalfa 35 lb fertilizer (p) ISU Extension Publication A1-20 Assumes two and a half tons per acre from two alfalfa cuttings
Potash Fertilizer, Alfalfa 125 lb fertilizer (k) ISU Extension Publication A1-20 Assumes two and a half tons per acre from two alfalfa cuttings.
Field Operations $51.06
Pre Harvest Machinery 1.2167 gal diesel - Not clear what Pre Harvest Machinery involves... Listed as 3.65/3.
Strip-till Plow 0.3667 gal diesel ISU Extension Publication A3-27
Tandem Disk 0.2167 gal diesel ISU Extension Publication A3-27
Field Cultivate 0.2333 gal diesel ISU Extension Publication A3-27
Spreader 0.05 gal diesel ISU Extension Publication A3-27
Air Drill 0.2333 gal diesel ISU Extension Publication A3-27
Green Forage Harvester 0.85 gal diesel ISU Extension Publication A3-27
Green Forage Blower 0.3 gal diesel ISU Extension Publication A3-27
Haul Green Forage (field w/ .5 mi. gravel) 0.3 gal diesel ISU Extension Publication A3-27
Haul Green Forage (+ 10 mi. gravel) 1.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed
Mower 0.9 gal diesel ISU Extension Publication A3-27
Rake 0.75 gal diesel ISU Extension Publication A3-27
Self-Propelled Windrower 1.35 gal diesel ISU Extension Publication A3-27
Small Square Baler 1.2 gal diesel ISU Extension Publication A3-27
Haylage Harvester 1.15 gal diesel ISU Extension Publication A3-27
Haylage Blower 0.25 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.8 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 8.0 gal diesel ISU Extension Publication A3-27

Annual Fertilizer/Fuel Use per Acre

Crop Practice Fertilizer (N) Fertilizer (K) Fertilizer (P) Diesel Propane Electricity
Oats (Intensive Tillage) 60 lb 130 lb 45 lb 4.56 gal 0.75 gal 27.5 kwh $70.33
Oats (No-till) 60 lb 130 lb 45 lb 2.38 gal 0.75 gal 27.5 kwh $64.68
Oats (Reduced Tillage) 60 lb 130 lb 45 lb 3.75 gal 0.75 gal 27.5 kwh $68.23

Oats (Intensive Tillage)

Annual fertilizer/fuel use per acre: 60 lb Fertilizer (N), 130 lb Fertilizer (K), 45 lb Fertilizer (P), 4.56 gal Diesel, 0.75 gal Propane, and 27.5 kwh Electricity
Energy cost per acre: $70.33

Energy Use Data Source Notes Cost
Drying $4.50
Dryer (Propane) 0.75 gal propane -
Dryer (Electricity) 27.5 kwh electricity -
Fertilizer $54.00
Nitrogen Fertilizer, Oats 60 lb fertilizer (n) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Phosphorous Fertilizer, Oats 45 lb fertilizer (p) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Potash Fertilizer, Oats 130 lb fertilizer (k) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Field Operations $11.84
Subsoiler or Chiselplow 0.466 gal diesel ISU Extension Publication A3-27 Average of Subsoiler/Ripper (1.1 gal/ac) and Chiselplow (1.7 gal/ac) operated every third year.
Disk-chisel Plow 0.433 gal diesel ISU Extension Publication A3-27
Offset Disk 0.2833 gal diesel ISU Extension Publication A3-27
Tandem Disk 0.2167 gal diesel ISU Extension Publication A3-27
Field Cultivate 0.2333 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Grain Drill Planter 0.3 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, soybeans 1.0 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.08 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 0.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Oats (No-till)

Annual fertilizer/fuel use per acre: 60 lb Fertilizer (N), 130 lb Fertilizer (K), 45 lb Fertilizer (P), 2.38 gal Diesel, 0.75 gal Propane, and 27.5 kwh Electricity
Energy cost per acre: $64.68

Energy Use Data Source Notes Cost
Drying $4.50
Dryer (Propane) 0.75 gal propane -
Dryer (Electricity) 27.5 kwh electricity -
Fertilizer $54.00
Nitrogen Fertilizer, Oats 60 lb fertilizer (n) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Phosphorous Fertilizer, Oats 45 lb fertilizer (p) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Potash Fertilizer, Oats 130 lb fertilizer (k) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Field Operations $6.18
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Grain Drill Planter 0.3 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, soybeans 1.0 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.08 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 0.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Oats (Reduced Tillage)

Annual fertilizer/fuel use per acre: 60 lb Fertilizer (N), 130 lb Fertilizer (K), 45 lb Fertilizer (P), 3.75 gal Diesel, 0.75 gal Propane, and 27.5 kwh Electricity
Energy cost per acre: $68.23

Energy Use Data Source Notes Cost
Drying $4.50
Dryer (Propane) 0.75 gal propane -
Dryer (Electricity) 27.5 kwh electricity -
Fertilizer $54.00
Nitrogen Fertilizer, Oats 60 lb fertilizer (n) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Phosphorous Fertilizer, Oats 45 lb fertilizer (p) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Potash Fertilizer, Oats 130 lb fertilizer (k) ISU Extension Publication A1-20 Alfalfa-Grass Seeded with Oat Companion Crop. Assumes 80 bushels oat yield, one ton straw yield, and one ton per acre alfalfa yield from one cutting.
Field Operations $9.74
Strip-till Plow 0.3667 gal diesel ISU Extension Publication A3-27
Tandem Disk 0.2167 gal diesel ISU Extension Publication A3-27
Field Cultivate 0.2333 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Grain Drill Planter 0.3 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, soybeans 1.0 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.08 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 0.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Annual Fertilizer/Fuel Use per Acre

Crop Practice Fertilizer (K) Fertilizer (P) Diesel Propane Electricity
Soybeans (Intensive Tillage) 75 lb 40 lb 9.83 gal 0.75 gal 27.5 kwh $54.32
Soybeans (No-till) 75 lb 40 lb 2.38 gal 0.75 gal 27.5 kwh $34.98
Soybeans (Reduced Tillage) 75 lb 40 lb 5.38 gal 0.75 gal 27.5 kwh $42.77

Soybeans (Intensive Tillage)

Annual fertilizer/fuel use per acre: 75 lb Fertilizer (K), 40 lb Fertilizer (P), 9.83 gal Diesel, 0.75 gal Propane, and 27.5 kwh Electricity
Energy cost per acre: $54.32

Energy Use Data Source Notes Cost
Drying $4.50
Dryer (Propane) 0.75 gal propane -
Dryer (Electricity) 27.5 kwh electricity -
Fertilizer $24.30
Phosphorous Fertilizer, Soybeans following Corn 40 lb fertilizer (p) ISU Extension Publication A1-20 50 bu. per acre harvest
Potash Fertilizer, Soybeans following Corn 75 lb fertilizer (k) ISU Extension Publication A1-20 50 bu. per acre harvest
Field Operations $25.52
Moldboard Plow 0.35 gal diesel - Why is this not 1.7?
Subsoiler or Chiselplow 1.4 gal diesel ISU Extension Publication A3-27 Average of Subsoiler/Ripper (1.1 gal/ac) and Chiselplow (1.7 gal/ac)
Disk-chisel Plow 1.3 gal diesel ISU Extension Publication A3-27
Offset Disk 0.85 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Tandem Disk, 2nd 0.55 gal diesel ISU Extension Publication A3-27
Tandem Disk, 3rd 0.45 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Field Cultivate, 2nd 0.65 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Grain Drill Planter 0.3 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, soybeans 1.0 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.08 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 0.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Soybeans (No-till)

Annual fertilizer/fuel use per acre: 75 lb Fertilizer (K), 40 lb Fertilizer (P), 2.38 gal Diesel, 0.75 gal Propane, and 27.5 kwh Electricity
Energy cost per acre: $34.98

Energy Use Data Source Notes Cost
Drying $4.50
Dryer (Propane) 0.75 gal propane -
Dryer (Electricity) 27.5 kwh electricity -
Fertilizer $24.30
Phosphorous Fertilizer, Soybeans following Corn 40 lb fertilizer (p) ISU Extension Publication A1-20 50 bu. per acre harvest
Potash Fertilizer, Soybeans following Corn 75 lb fertilizer (k) ISU Extension Publication A1-20 50 bu. per acre harvest
Field Operations $6.18
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Grain Drill Planter 0.3 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, soybeans 1.0 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.08 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 0.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed

Soybeans (Reduced Tillage)

Annual fertilizer/fuel use per acre: 75 lb Fertilizer (K), 40 lb Fertilizer (P), 5.38 gal Diesel, 0.75 gal Propane, and 27.5 kwh Electricity
Energy cost per acre: $42.77

Energy Use Data Source Notes Cost
Drying $4.50
Dryer (Propane) 0.75 gal propane -
Dryer (Electricity) 27.5 kwh electricity -
Fertilizer $24.30
Phosphorous Fertilizer, Soybeans following Corn 40 lb fertilizer (p) ISU Extension Publication A1-20 50 bu. per acre harvest
Potash Fertilizer, Soybeans following Corn 75 lb fertilizer (k) ISU Extension Publication A1-20 50 bu. per acre harvest
Field Operations $13.97
Strip Till Plow 1.1 gal diesel ISU Extension Publication A3-27
Tandem Disk, 1st 0.65 gal diesel ISU Extension Publication A3-27
Field Cultivate, 1st 0.7 gal diesel ISU Extension Publication A3-27
Spreader 0.15 gal diesel ISU Extension Publication A3-27
Anhydrous Application 0.55 gal diesel ISU Extension Publication A3-27
Grain Drill Planter 0.3 gal diesel ISU Extension Publication A3-27
Weed Control 0.35 gal diesel -
Combine, soybeans 1.0 gal diesel ISU Extension Publication A3-27
Haul (field w/ .5 mi. gravel) 0.08 gal diesel ISU Extension Publication A3-27
Haul (+ 10 mi. gravel) 0.5 gal diesel ISU Extension Publication A3-27 Avg. distance may be less than 10 mi assumed