Zinc offers the most pronounced pound for pound response of any trace element.
Zinc controls the production of auxins – plant promotants that govern leaf size. Leaf size determines the efficiency of photosynthesis so, in this context, zinc is arguably the most important of the trace elements. Certainly it can give the most cost-effective response of any trace element. Nutri-Key Zinc Shuttle™ is a high analysis chelated zinc, suitable for all situations in horticulture.
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