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Consider all factors before replanting frost-damaged corn

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The warm and dry spring has facilitated some of the earliest corn planting of all time in Minnesota, but early corn emergence increases the risk for frost damage.

Frost damage can occur even when air temperatures are in the mid-30s on calm nights, because the lack of wind allows colder temperatures to stay near the soil surface. In general, frost damage tends to be worse in low areas, on peat soils, near field edges and in fields with high levels of surface residue.

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