Organic Weed Control
Chemical herbicides are very poisonous, and contain many known carcinogens and other toxic ingredients. Before chemicals herbicides were used in such a widespread fashion, natural and organic controls were used. Mechanical control including pulling weeds by hand was used to control weeds.
One way to selectively control weeds, especially those growing in cracks and rocks, is the use of vinegar and water. The solution is sprayed on individual weeds and has a definite effect in just a couple of days. Heres what you will need:

Vinegar
Spray Bottle
Water

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