>
>"Research is already suggesting that Roundup may not be as safe as we are
>being led to believe.
>Roundup has now been linked to several types of cancer, including
>non-Hodgkins' Lymphoma."
>
>Yes, I've heard similar reports. Although I don't have all my references
>off hand, here are a few
>that I do have:
>
>Research has shown that the application of glyphosate can increase the
>level of plant estrogens in
>the bean, Vicia faba (Sanderman and Wellman, 1988). More research is
>needed to understand the significance of these findings as well as to
>better understand the neurological, immunological,
>developmental, and reproductive effects of herbicides, including glyphosate.
>
>Although adverse effects of herbicide-resistant soybeans have not been
>observed on certain feeding animals, genotoxic effects have been
>demonstrated in other non-target organisms (Cox, 1995 a,b).Earthworms have
>been shown to be severely damaged by the glyphosate herbicide at 2.5-10
>1/ha (Rebanova et al., 1996). In addition, aquatic organisms, including
>fish, can sometimes be severely damaged as well (Henry et al., 1994; WHO,
>1994).
>
>Cox, C. 1995a. Glyphosate, part 1: Toxicology. J Pest. Ref. 15(3):14-20
>Cox, C. 1995 b. Glyphosate, part 2: Toxicology. J. Pest. Ref. 15(4):14-20.
>Henry et al. 1994. Acute toxicity and hazard assessment of Rodeo,
>Spreader, and Chem-Trol to
>aquatic invertebrates Act. Environ.Contam. Toxicol. 27:3):392-399.
>Rebanova et al. 1996. Effect of the herbicide Roundup on earthworms of the
>family Lumbricidae in the
>mountainous meadow ecosystems. Zootechnicka Rada, Ceske Budejovice
>13(2):63-70.
>Sanderman, H. and Wellman, E. 1988 Biologische Sicherheit 1:285-292.
>WHO, 1994. Glyphosate. Geneva, Switzerland: World Health Organization.
>
>Chris
>
>
>
>
>
>
>At 11:54 PM 05/18/00 -0500, kandmhfarm@sprintmail.com wrote:
>>I farmed conventionally for 20 years before becoming an organic farmer.
>>I used all the "right" chemicals and put them on properly and carefully
>>recorded the results. I was poisoned by those chemicals and will NEVER
>>use them again! Fortunately we farm organically now. Experience has
>>shown that weeds don't pay any attention to herbicide labels. Follow-up
>>applications of herbicides are often needed when unusual weather occurs (
>>when is the weather ever normal anyway? ) Weeds will adapt to any new
>>chemical eventually either by developing resistance or by new species
>>coming that are already resistant. Roundup is no different. Because it
>>has no residual activity, any weed that comes up after a field is sprayed
>>with Roundup will be unaffected. If spraying is delayed too long,
>>serious yield loss will occur due to early competition from weeds.
>>Smaller weeds will be physically shielded from the Roundup by the canopy
>>of larger weeds and crop. We will see herbicide use increase steadily
>>with Roundup Ready crops every year they are used as the weed
>>populations adjust. Studies and data from the first few years of use are
>>irrelevant in predicting long-term herbicide performance. I have noticed
>>that whenever chemical weed control fails, it is blamed on the weather,
>>the timing, new weeds, the farmer etc. When organic weed control fails,
>>it's because it was organic.
>>
>>About 60 years ago Dr. Bernard Rademacher said that:
>>" Cultural methods take the foremost place among the means of
>>controlling weeds
>>in arable land. Efforts must be made, by all kinds of measures which are
>>at the same
>>time beneficial to the crop plants, to keep the growth of weeds as small
>>as possible
>>from the very outset. Cultural measures form the basis of all weed
>>control, while
>>the various chemical means should be regarded as auxiliary only.
>> The necessary condition of any successful weed control is the
>>promotion of
>>growth in the crop plants. Vigorous plant stands are among the best means
>>of
>>eradicating weeds. "
>>
>>I have found his statement to be as true today as it was then. In
>>general, our weed control is better now that we are farming organically
>>than it was when we used chemicals. We use various cultural weed control
>>techniques, supplemented with mechanical cultivation - and we are farming
>>over 1100 acres.
>>
>>With the direct application of Roundup to crops and with second
>>applications becoming more common, Roundup residue levels in food are
>>sure to rise signifigantly. Research is already suggesting that Roundup
>>may not be as safe as we are being led to believe. Roundup has now been
>>linked to several types of cancer, including non-Hodgkins' Lymphoma. I
>>guess I wouldn't argue which herbicide is safer, I wouldn't use any
>>herbicide.
>>
>>I'm sure better educated people than I can easily explain why I'm wrong
>>on all counts, but time will tell.
>>Klaas Martens
>>
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