Table 2: The estimated costs of establishing switchgrass and GHG [3034].

The switchgrass

Preharvest machinery operations custom charges$/haDiesel (gal/ha)Diesel cost $/haCO2 (kg)N2OCH4Estimate CO2 equivalent/ha

Disk31.013.46 (13.10 L/ha)12.9737.100.01520.002041.85
Harrow19.101.24 (4.69 L/ha)4.6313.250.00540.000714.95
Airflow spreader (seed and fertilizers) 31.261.48 (5.60 L/ha)5.5615.900.00650.000917.93
Spraying chemicals 8.280.49 (1.85 L/ha)1.855.300.00220.00035.98
Total 89.656.67 (25.25 L/ha)25.0271.560.02920.003980.70

Operating expensePrice $/unitUnit/ha$/ha

Seed $7.5/lb ($16.5/kg)14.83 lb (6.74 kg)111.20
Fertilizer*
 N$0.31/lb ($0.68/kg)264.55 lb (120.25 kg)82.015.051.201590.94
 P $0.37/lb ($0.81/kg)74.13 lb (33.70 kg)27.43
 K $0.23/lb ($0.51/kg)98.84 lb (44.93 kg)22.73
 Lime $21/ton7.41 ton155.68
Herbicides**79.8
 Pursuit + $53/gal ($14.00/L)7.41 oz (0.22 L)3.06
 MSO $1.75/pt ($3.70/L)79.07 oz (2.34 L)8.65
 2,4D $16/gal ($4.23/L)3.71 pts (1.76 L)7.41

Total operating costs418.17 $/ha
Total establishment (11 years at 8% amortization (.14008 factor))532.84 $/ha
Prorated yearly establishment cost per ha72.99 $/ha

 *The application of nitrogen fertilizer leads to the formation of nitrous oxide emissions from the soil which leads to emission of GHG.
**The emission of GHG from application of herbicide on a field.