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Gardening suggestions for growing radishes

Author: Cathy Cromell
Issue: October, 2013, Page 119


Q - Why do my radish plants have large leafy tops and small radishes? They have been thinned, and my garden gets good sun.

A - Olin Miller, a University of Arizona Maricopa County Cooperative Extension Master Gardener Emeritus, says that large leafy tops may be caused by too much water or too much nitrogen. Both promote foliage growth at the expense of root size. Small roots may be a sign of phosphorous deficiency. Phosphorus stimulates root development and growth, which lead to a fleshier radish root. Miller’s recommendation is to apply a balanced vegetable fertilizer and to water less frequently.
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