whats a decent cheap organic fert?

im doing a small dirt cheap grow. its been a while sence ive grow indoors. what is a good fertilizer that is organic? im not big on using chemical ferts. im growing in dirt.

anyone? i'd like to know too but i'm using fox farms oceanforest&lightwarrior.

cheapest is to make same compost tea. I use compost tea in my vegetable garden purely for cost, and Humboldt three part for my inside plants. Im pretty sure humbolts an organic base, but it still produces tasty buds.