Foliar zinc spray
hi, i want a help to calibrate my backpack mist blower to spray my trees as foĺlow:
Apply zinc sulfate to 10 trees
Labeled rate: 200 grams of zinc sulfate per 100 litre of water.
How to calculate the total spray solution and the amount of zinc sulfate for the above spray solution; can you please write me the calculation formoula; Thanks
Outside United States
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