How long do you have to wait to plant new grass , after spraying round up on the soil?

Question:

Answers:
The Roundup web site says that lawn grasses, vegetables, herbs and fruits may be planted three days after application of the weed and grass killer. Roundup only works if applied to growing plants - if you spray it on bare soil it doesn't prevent plants from germinating.

Here is the page:
http://www.roundup.com/index.cfm/event/p...