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. 2013 Mar 11;13(3):3313–3330. doi: 10.3390/s130303313

Table 3.

Payments for weed control for both applications.

Area payments Conventional application method Experimental application method
Herbicide cost (€/ha)
- Pre-emergence 81.67 40.84
- 1st Post-emergence 38.64 19.32
- 2nd Post-emergence 74.95 37.47
- 3rd Post-emergence 145.83 72.92
Hand weeding (h/ha) 15.32 * 13.19 *
Worker cost (€/ha) 117.96 101.56
Cost of fuel (€/ha) 5.32 6.92
Total cost per ha (€/ha) 459.05 272.11
ANNUAL PAYMENTS

Insurance (€/year) 147 307.50
Repair and maintenance (€/year) Variable Variable
GPS-RTK signal costs (€/year) 0 820
INVESTMENTS

Electro-hydraulic side-shift frame (€) 0 900
Mechanical and chemical weed control system (€) 0 10,000
RTK-GPS (€) 0 9,100
Conventional broadcast sprayer (€) 9,800 0
*

Not summed in these columns because of differences in units (i.e., h/ha and €/ha).