Use the Keep it Clean PHI Calculator to Protect Crop Quality and Market Access
Planning crop harvests requires more than monitoring field conditions—it also means ensuring crop protection products have sufficient time to break down before harvest.
Using the correct pre-harvest interval (PHI) helps growers meet residue requirements, protect market access and deliver crops that comply with industry standards.
The Keep it Clean pre-harvest interval calculator provides canola and pulse growers with a simple way to determine the minimum number of days that must pass between applying a crop protection product and harvesting by swathing or straight cutting.
PHIs are established to allow the active ingredients in pesticides to degrade to acceptable residue levels before the crop is harvested.
The calculator can be used in two ways. Growers can enter their crop type along with the product they have applied to find the required waiting period before harvest.
Alternatively, they can select a crop and pesticide type, then adjust the timeline to identify products that fit their planned harvest schedule.
Before applying any crop protection product, growers should always read and follow the product label for the recommended application rate, timing and pre-harvest interval. Following label directions is one of Keep it Clean’s five key practices to help maintain crop quality.
To learn more, visit https://keepitclean.ca/tools-resources/pre-harvest-interval-calculator/.
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