agriculture is the act of cultivating soil and producing crops...

should I go on or is that a good illustrative example of how the original request is so far reaching and unspecific as to be functionally useless.

It's like asking "how do I make a game?"

a video game? a board game? a playground game? a card game? all of which require skills, disciplines, planning, research and understanding of mechanics that no one can summarize even in a single full length book, let alone a forum post reply.