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Imbibitional chilling or cold injury

Encyclopedia Article

Imbibitional chilling occurs when there is a drastic change in the water temperature during imbibition. This occurs when soybean seed imbibes very cold water, under 45oF, in the first 6 to 24 hours after planting. Imbibitional chilling is often associated with a cold front that brings not only colder temperatures but also cold rainfall within 24 hours of planting. Cold Injury is when there is a change in the soil temperature after the seed has imbibed water beyond 24 hours after planting.

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