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Re: ROUNDUP w/ fertilizer

Title: Re: [GWL]: ROUNDUP w/ fertilizer
on 4/15/02 12:31 PM, fran gustman at fgustman@juno.com wrote:

On Sun, 14 Apr 2002 10:42:15 -0700 JEFF LOWENFELS <JEFF@GARDENER.COM> writes:

> organic vs non. The science is showing that the stuff is simply not
> safe to
> use.....http://naturescountrystore.com/roundup/

I'm not contesting whether or not Roundup is safe to use. I don't use any pesticides at all myself. But maybe in special cases, it should be considered. One of HortResources member scientists, Norm Helie, wrote on Round-Up and its efficacy in eliminating Poison Ivy by using it in WEAK doses. I'm putting the article in below.

Fran
Fran Gustman, Editor
HortResources Newsletter
Boston, MA
fgustman@juno.com

HortResources Newsletter September-October 1999

TAKING CONTROL OF POISON IVY
Norm Helie


Fran and others,

Since Lon is allowing this gardening related topic to continue (I'm sure in the hope that we will all be better garden writers for it), I'll add a practical suggestion regarding the use of glyphosates based on my nursery experience with the product. The article you included almost made the connection between dormancy and fertilizer but didn't put 2 and 2 together. You should add fertilizer to the herbicide tank to stimulate growth. Glyphosate will not work on plants that are dormant due to drought or cold. Fertilizer will lower pH of the tank water, and the water with fertilizer will stimulate some growth, which then will absorb the glyphosate. Only actively growing plants will be effected by glyphosate, and the fertilizer helps that to happen.

Larry Maupin
Maupin Photography
Freelance Garden Writer/Photographer
Member, Garden Writers Assoc. of Amer.
larrymaupin@sbcglobal.net
Dallas, TX   214/341-3933

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