[lit-ideas] Re: Brits do it better
- From: "Andy Amago" <aamago@xxxxxxxxxxxxx>
- To: lit-ideas@xxxxxxxxxxxxx
- Date: Thu, 24 Aug 2006 00:16:24 -0400
Doesn't sound that benign. By the time there's evidence of damage, it
might be too late to get the stuff out in the underlying soils. Drought
will make things worse, it says below. Dunno.
> [Original Message]
> From: Eric Yost <eyost1132@xxxxxxxxxxxxx>
> To: <lit-ideas@xxxxxxxxxxxxx>
> Date: 8/24/2006 12:05:34 AM
> Subject: [lit-ideas] Re: Brits do it better
>
> >>Why not
> just leave the trees alone and eat pristine peaches, with
> just whatever
> acid rain falls on them?
>
>
> Baking soda is the best treatment for the local climate and
> lay of the land, according to local farmers. Brooklyn
> Botanical Garden guy agrees. -EY
>
>
>
http://www.bbg.org/gar2/topics/sustainable/handbooks/naturaldisease/leasttox
ic.html
>
> Least-Toxic Controls of Plant Diseases
> by William Quarles
>
> The best way to control plant diseases is to make sure they
> don't get a foothold in the garden in the first place.
> However, if they are already established, you may feel it's
> necessary to resort to one of the controls described below.
> Most of these mentioned here have low acute toxicity to
> mammals, including humans, and are not toxic to beneficial
> insects. Some, such as baking soda, are practically
> non-toxic, while others, including bordeaux mixture,
> lime-sulfur, concentrated silicate salts, and streptomycin
> should be used with caution.
>
> [snip]
>
> Baking Soda: Baking soda (sodium bicarbonate) is non-toxic,
> readily available, and very inexpensive. It can be effective
> against powdery mildew and somewhat useful against black
> spot. If you repeatedly spray leaves with bicarbonate,
> though, it will eventually reach the soil below, where it
> can accumulate and lead to slower plant growth. Bicarbonate
> can form insoluble particles with calcium and magnesium ions
> when it concentrates in the soil, making these important
> nutrients unavailable to plants. High levels can also
> prevent plants from absorbing iron and can lead to chlorosis.
>
> Bicarbonate is most likely to build to damaging levels in
> drought-stressed areas where there is little rain to flush
> it away. It is also likely to build up when applied in a
> small area, and when used in conjunction with drip-type
> irrigation. Garden situations are so complex that it is hard
> to predict the point at which you will see adverse effects.
> Stop applying bicarbonate sprays, however, at the first sign
> of plant damage or lower quality blooms.
>
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