!!!! Experienced and Knowledgable Tree Surgeons HELP required !!!!

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are you on the foundation degree? If so i would guess you are probably second year and this is your personal research project? If you are second year then you should be able to formulate a cogent question for most people to answer. I am in the same position but wouldn't dream of jumping in at the deep end like you have with multiple questions but would have asked a couple of questions in the relevant forums. Hope all goes well.