Fig. 4.
Box plots for applied pesticide inputs in middle-season rice (MR), early- (DR-ES) and late-season rice (DR-LS) of double rice system, and main (RR-MC) and ratoon crops (RR-RC) of ratoon rice system. See description of boxplots in caption to Fig. 2. Letters indicate statistically significant differences (LSD test, Pā<ā0.01).