CULT: Preemergent vs. Postemergent herbicides and health

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• Subject: [iris] CULT: Preemergent vs. Postemergent herbicides and health
• From: l*@adelphia.net
• Date: Fri, 30 Sep 2005 14:50:04 -0700
• List-archive: <http://www.hort.net/lists/iris/> (Web Archive)

Does anyone have any data or sites which give info on which herbicides are
less likely to accumulate in the soils, and which ones are less toxic to
humans/animals (if there is such a thing)?  My question is kind of like
asking, is is better to use Roundup in broad areas, and replant, or to use
repetitive uses of preeemergents?   One site which has good information
about both kinds of herbicides is
http://www.hort.cornell.edu/department/faculty/weston/weedfacts/wdfct5.html,
but if anyone can recommend others or ones specific to "heatlth", please do.
Kitty Loberg
Northern Calif.

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