Widespread late-Might frosts throughout Ontario have many growers assessing soybean crops for damage and wrestling with the query of whether or not replanting is important.
On this episode of the Soybean College, Ontario Ministry of Agriculture, Meals and Rural Affairs soybean specialist Horst Bohner is preaching persistence with regards to figuring out whether or not a replant is important. He notes that even when the cotyledons have been frozen off, if the rising level has been protected, new progress will emerge.
Bohner additionally recommends growers keep watch over the variety of crops which have but to totally emerge. “When we get into a scenario where it’s obvious there’s been frost… we can make the decision too quickly to condemn a field because some plants are still emerging.” He notes soybeans that aren’t completely out of the bottom can deal with extra frost than people who have emerged and are fully uncovered.
Bohner says growers want to attend 5 and even seven days to see if there’s new progress. He provides that the overwhelming majority of those crops will yield simply in addition to soybeans that haven’t had a frost.
Growers ought to take into account replants when plant populations fall beneath 90,000 per acre, or a little bit increased on heavy clay soils. Row spacing can be a consideration. “If it’s a nice consistent even stand in 30-inch rows you could probably go as low as 70,000 plants. But in that range we’re going to have to thicken things up or start over with a full seeding rate,” provides Bohner.
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