http://www.auntciasgarden.com/2008/09/22/weed-control-for-organic-gardening.html
A gardening site that is a source of information on controlling annoying weeds in your organic garden, tips on how to prevent weeds from springing up in the first place are also mentioned. One tip is growing potatoes; another is using mulch to keep light from the emerging weeds by using grass clippings, shredded newspaper, straw, and pine needles.
Cider vinegar sprayed directly on weeds will kill them be careful not to get the spray on the plant or it will also damage the plant. The site brings to light great alternative gardening methods and information for the conscientious gardener on being green in tending your garden.