Should I buy one Fertilizer Spreader? Or not?

in Plants
Recently, I have realized the grass in my garden turned into yellow because I used overloaded fertilizers for it. Thus, I wonder that I should buy Fertilizer Spreader, which helps the number of fertilizers is more balanced. But I am afraid that it isn't necessary. Anyone has experiences who can give me some advices?
Love is the simplest thing we can give, why not #AGreenhand
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But l suspect l may be too late.
In the sticks near Peterborough
Love is the simplest thing we can give, why not #AGreenhand
Love is the simplest thing we can give, why not #AGreenhand