harvest management - Canadian Agronomist

Digging into Research

24 Jun Cut stubble high to preserve wheat stem sawfly parasitoids

Posted at 17:30h in Insects

Most overwintering parasitoid cocoons (>80%) occurred in the bottom third of standing wheat stems from 0 to six inches (0-15 cm). Cutting wheat at six inches or higher at harvest increased Bracon cephi spring emergence by 40%, while cutting just below the wheat head increased...

28 Jan Vertical tillage no more effective than managing crop residue with the combine

Posted at 17:55h in Agronomy

Managing flax residue with vertical tillage, tandem disc, or rake and burn did not produce significantly higher yield for three subsequent wheat, pea and canola crops than chopping and spreading straw with the combine. Limited differences in soil attributes were observed, and they were diminished...