fir trees

Question

I have a large fir tree that has four different sections growing from the same trunk. Two of the sections have gone brown. What is the cause and can I save the tree

Answer 1

There could be several reasons for the die off.
These links will help you access the tree.
https://www.na.fs.fed.us/spfo/pubs/howtos/ht_bfir/ht_bfir.htm
http://extension.psu.edu/pests/ipm/agriculture/christmas-tree/appendixes/appendixes.pdf
http://extension.psu.edu/pests/plant-diseases/all-fact-sheets/douglas-fir-diseases