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growth for correct interpretation,” said the specialist.
The whole plant above the surface of the soil should be collected if the corn is less than 12 inches tall. If the corn is higher than 12 inches, but not yet tasselled, the leaf immediately below the whorl should be sampled. If the corn is at silking, the leaf immediately below the ear should be sampled.
Donohue said that since weather conditions may cause several nutrients to show deficient, it is best to sample both normal .and affected areas for comparison. The comparison will make the deficient nutrient easier to identify. Depending on what the problem is and the stage of
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