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. 2015 Mar 11;6(2):103–133. doi: 10.1080/21645698.2015.1025193
Country Area of trait (‘000 ha) Average ai use GM crop (kg/ha) Average ai use if conventional (kg/ha) Average field EIQ/ha GM crop Average field EIQ/ha if conventional Aggregate change in ai use (‘000 kg) Aggregate change in field EIQ/ha units (millions)
US glyphosate tolerant 29,855 3.01 3.7 57.3 73.8 −20,600 −492.3
US glufosinate tolerant 301 3.01 3.7 57.3 73.8 −208 −5
Canada glyphosate tolerant 1,414 1.83 2.71 37.0 61.1 −1,245 −34.2
Canada glufosinate tolerant 14 1.64 2.71 36.0 61.0 −15 −0.4
Argentina 2,769 3.99 3.53 71.8 73.6 +1,284 −5.0
South Africa 1,690 2.85 3.15 53.7 66.1 −507 −21
Brazil 6,291 3.91 3.99 70.3 86.1 −515 −100
Uruguay 120 3.99 3.53 71.8 73.6 +44 −0.2

Note:

One. Philippines: not included due to lack of data on weed control methods and herbicide product use.

Two. Uruguay – based on Argentine data – industry sources confirm herbicide use in Uruguay is very similar.