I purchase an organic lawn fertilizer from a company called Garden's Alive. They also sell a pre-emergent weed control product (called "Wow") which contains the corn gluten you mentioned. Their phone number is 1-513-354-1482 and the website is www.GardensAlive.com. I believe the corn gluten is used for weed prevention, not the fertilizer.
In the southeast, with fescue grass, we fertilize spring and fall. I usually aerate (to break up the clay soil) in spring and/or fall, then reseed and fertilize. We also add lime once a year, since our soil is acidic. ... View related article.
I want to try this idea, but I was not completely clear on how the birds get the seed. Do they poke holes in the stocking? I would love to see a photo. ... View related article.