egg shell & vinegar for kumquat on own roots
For micro nutrients I currently use roofing nails soaked in vinegar to chelate the zinc and Iron .I get my manganese from chips off a heavily used railway track and soak it in vinegar. For magnesium I can use epsom salt. The question. should I use eggshell and if so do I powder it in mortar and pestle or dissolve it in vinegar. Any advice would be appreciated.
This is my seed grown meiwa kumquat tree it will be used on. I also have 2 happy nagami 's also from seed along with 4 sweet lee tangerine trees from seed.