Abstract
Abstract Corn (Zea mays L.) grown in combination of fertilized sphagnum peat and ground rubber tires (poly rubber) were chlorotic and slow growing. Growth rates were reduced by excessive amounts of Zn leached from the rubber. Reducing the amount of teachable Zn and supplementing the fertilizer with chelated Fe restored the green color and increased the growth rate of corn plants to comparative levels of plants grown in fertilized sphagnum peat.
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