I would say yes. Not because the plant looks bad but 'cause they all need fertilizer.

I find using a very weak fert. mix about every time I water works better than full strength at any time.
Make sure you water until some comes out the bottom to wash out any build up.

Yes, I suggest what smoke and rockguy say. The plant looks good for one month and I wouldn't try to fix something that isn't broke.
Bruce

"Weekly Weakly" is a mantra that some of us use....reduced, but frequent doses.
The plant looks quite healthy despite the bad looking soil. Also, toss those eggshells.....
they're doing NOTHING for the plant.

Josh