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Abstract

Corn is the most responsive to zinc of all agronomic crops grown in Kentucky. Zinc deficiency can occur most often in soil of the Inner Bluegrass and in south central Kentucky. This deficiency is most likely when these soils have a high pH, although such factors as high phosphorus, low organic matter, and loss of topsoil through erosion or construction can increase deficiency symptoms. Also, zinc deficiency is more prevalent during a cool, wet spring with symptoms often disappearing when the soils become warmer and drier. Zinc is a very immobile element, thus roots must grow throughout the root zone in order to take up enough available zinc.

Publication Date

1992

Volume

25

Number

1

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