Compare effect of different factors on one trait

#1
Hello everyone,

I'm new here and I need some guidance. I'm trying to help my friend to write a paper for an exam. I have a little experience with ANOVA and using MSTAT, but not so much that I could figure out on my own what to do next. It's really a simple problem and I'm a little bit embarrassed that I'm posting this, but I really have nobody to ask.

Basically, the goal of his research is to examine how different types of substrate affect some traits in blueberry. He has 5 different substrates and six agricultural traits. I was wandering how can I check if any of the substrates has any effect on leaf area for an example. I think I could examine that hypothesis for each of them, but I was wandering how could I check that for all of them at the same time. Also, is there a way to calculate LSD test?

I would be grateful for any help. I attached the image of the table with mean average values for every trait for every substrate.
 

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