Plant Food Formulations - Knowledgebase Question

Santa Barbara, CA
Question by hermfran
March 10, 2001
What is the difference between water soluble plant food and timed release plant food?

Answer from NGA
March 10, 2001


Time-release fertilizer consists of granules coated with varying thicknesses of clay. The clay washes away at different rates (depending upon thickness) providing a continual supply of nutrients over a long period of time. Water soluble plant food is immediately available to plant roots, but has little residual effect and must be reapplied at regular intervals to provide nutrients to plants.

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