Economic Thresholds Calculators

Volunteer Cereals in Canola Calculator

What is your volunteer cereal?
How many volunteer plants do you have per square metre?
What is the expected yield of this crop in bushels per acre?
What is the crop value in $ per bushel?

		Calculate Reset

Results:
Your % yield loss in wheat caused by green foxtail is:
This represents a loss of		bushels per acre
Or		per acre
If the cost per acre of herbicide + application is less than this amount, weeds exceed the economic threshold, and spraying is recommended.

Sources: Dew and Keys, Agriculture Canada (Lacombe, Alberta) O'Donovan, Alberta Environmental Centre (Vegreville, Alberta)