A brief history of fertilizer 

Very cool video, thanks for the rundown on the worm farm

Could you do a video specifically on the effects of the verma fertilizer on the soil community? What relationships it supports specifically, and how it differs from synthetic fertilizer, organic, and maybe a few other types, if you do know that it.

All this talking about worms is making me to want to go fishing. Hahah! Wonder if you ever found any dead fat birds in that barn.