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With the newer corn hybrids, is it necessary to worry about soil temperature when planting corn early?

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With the newer corn hybrids, is it necessary to worry about soil temperature when planting corn early?

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There is relatively little data to support the need for more concern about soil temperature with the new hybrids as compared to the old ones. Refer to the current ‘Ohio Corn Performance Test” for ratings of the emergence of various corn hybrids. 6. How can I determine whether I should replant or leave a stand of corn? How to compare date of first planting, replanting, and % stand loss? In determining whether or not to replant corn, three factors should be considered: the population of the current stand, the distribution of the current stand, and the date of replanting. If the current distribution is relatively uniform, you can expect to lose approximately 1-1.5 bushels of corn/day for any planting that is delayed beyond the first week in May in central Ohio. For established populations, you can expect approximately a 4 bushel decrease per 1,000 stand loss. Thus, for every 1,000 plants lost (assuming no replanting costs), you could delay planting approximately 3 days after the first wee

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