Thank you for reaching out to ask2.extension.

You need to get the cages off of the tree roots.  That will kill your tree very quickly.

The removal of mulch from around the trunk is good.  The fertilizer is good, but until the cages are removed I think it’s a waste of money. 

Spruce trees need a lot of water, especially when they are first planted. How often and how much to water depends on the season, the tree's size, and how exposed it is:

Newly planted: Water regularly with a garden hose for at least a month. A good rule of thumb is to water with 2–3 gallons of water for every inch of the tree's trunk diameter. For example, a tree with a 2-inch trunk should get 4–6 gallons of water right away.

April–October: Water twice a week.

November–March: Water twice a month.

Extreme heat: Water more often.

Fall: Water frequently enough to keep the soil moist but not saturated, and continue until the ground freezes.

Winter: Evergreens continue to produce chlorophyll in the winter, so they need water all year. Cold, dry winds can also remove water from the ground, so it's important to provide enough water without overdoing it.

When watering, it's best to water deeply and slowly at a trickle rate. You can place the hose at the base of the tree and stop watering when the soil is wet at least 2 inches down. You can also use a water meter to check the soil's moisture content. It's important to allow the tree to dry out between waterings, as too much water can cause the roots to rot.

I hope this helps!