One of the simplest methods of removing weeds from the patio is to use boiling water. This will make pulling the weeds free from the cracks very easy.
How to Kill that Bright Green Grass Weed without Hurting Your Good Grass AKA nutgrass
5 lawn repair fixes for yellowing grass, bare / brown patches, weeds, and moss.
Homemade Weed & Feed for Lawns | Home Guides | SF Gate
Use baking soda to kill weeds. I did this with the weeds growing between the cracks in our patio and it actually works!
How to Stop Grass & Weeds From Growing Close to a Fence | eHow
Homemade Grass Killer | eHow
The Best Way to Kill Grass & Weeds | Home Guides | SF Gate
Using cardboard as mulch to kill out grass & weeds Margaret Roach
Gardening that I love
I could have saved $$$. I bought the weed blocker roll at Home Depot. Dang.