QUIZ – This week in agronomy

jwhetter

These three questions cover off just a small sample of the agronomy objectives and challenges from the past week.

1. Canola seed size is 6 grams per thousand. Seeding rate is 4 pounds per acre. Seed survival is 70 per cent. How many living canola plants per square foot does that scenario produce? Hint: Plug these numbers into the seeding rate/plant density calculator at canolacalculator.ca.  
2. While digging for cutworms around a patch of missing plants, you might find these soil dwellers instead. What are they?

Wireworm
3. Weeds stressed and weakened by frost are more susceptible to herbicide. True or False?