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. 2022 Oct 13;13(1):262–289. doi: 10.1080/21645698.2022.2118497

Calculation of aggregate ai and EIQ savings for 2020: example based on above example of soybean herbicides in Argentina 2020.

Total crop area (million ha) subject to herbicide treatment (if all crop using non-GM seed)
16.47
Baseline aggregate ai use (million kgs) if all conventional (basis 3.616 kg/ha) 59.54
Baseline aggregate EIQ units (million) if all conventional (basis 62.04 ha) 1,021.5
GM IR crop area (million ha) on which change in herbicide use applicable 15.99
Aggregate herbicide ai saving (million kg) based on average saving per ha of GM HT cotton relative to conventional soybeans (3.616–3.59 = saving of 0.026 kg/ha) 0.434 (−0.7%)
Aggregate herbicide EIQ saving (million units) based on average saving per ha of GM HT soybeans relative to conventional soybeans (62.04–54.53 = saving of 7.51 EIQ units/ha) 120.04 (−11.8%)
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