Effect of GE Crops on Pesticide Use: Summary of Primary Studies Number of studies Data source Effect on Pesticide Use 2 Experimental plots Decrease 11 Surveys 10 Decrease 1 Small Increase ●●⊙ ●●● ●●●Effect of GE Crops on Pesticide Use: Summary of Primary Studies _ Number of studies Data source Effect on Pesticide Use _ 2 Experimental plots Decrease 11 Surveys 10 Decrease 1 Small Increase _