Mention variable rate fungicides and many farmers think of adjusting rates across a field based on crop biomass measured using a tractor-mounted sensor. However, fungicide rates could also be varied through a season, as plants are much smaller at the T0 or T1 fungicide timing than at the T2 or T3 stage.   Current pesticide labels state a maximum dose rate and latest application timing. See also: How a farmer cut fungicide with variable-rate applications “Effectively you can have the same […]