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Pastimes : Where the GIT's are going -- Ignore unavailable to you. Want to Upgrade?

To: Neeka who wrote (103262)	6/14/2005 2:22:59 PM
From: Ish	Respond to of 225578

This is kind of old, Roundup now works in about a day but the gist is there. Roundup is hailed as a safe solution to weeding problems. Indeed, it does have many advantages. Roundup is sprayed on leaves and stems – the parts of the plant above the ground. It is then distributed throughout the plant. Glyphosate, the active ingredient in Roundup, inhibits an enzyme that produces amino acids essential for plant growth and life. Wilting and yellowing occur one week after application, while a complete kill comes in two to four weeks. There are a few primary advantages that the advertisers of Roundup emphasize. First, Roundup binds to the soil and will not spread to the water supply or other plants. Second, Roundup is broken down into “natural materials” by soil microbes (the microbes are unharmed in the process). Third, Roundup has a low toxicity level: According to laboratory tests, “Glyphosate does not cause adverse health or migrational changes in fish, and has no effect on aquatic or terrestrial invertebrates or water fowl, when used according to label directions.” (This information was provided by Ortho) Additionally, studies indicate that table salt is twice as toxic as glyphosate – 5,600 mg of glyphosate per kilogram of body weight killed 50% of rats tested, where one half of that dosage in salt (3000 mg per kilogram of body weight) was enough to kill 50% of a second test group. These advantages make Roundup seem to be a product that is highly safe and environmentally sound enough to be used in an organic garden.