Hi Steve,
Thank you. It is too bad they did not look at it from the point of view of =
seeing what microbes are active, apply the ACT and then use both respiratio=
n (& nutrient testing) and direct microscopy for evaluation.
Tim
--- In compost_tea_at_yahoogroups.com, "steved3602002" <steved_at_...> wrote:
>
> Last week I attended the ASA, CSSA, SSSA annual
> meetings in San Antonio where thousands of papers
> and posters were presented.
>
> Three posters from University of Wisconsin-Stevens
> Point featured research by students on compost teas.
>
> ASA, CSSA, SSSA Annual Meetings
> Oct. 16-19, 2011 in San Antonio, TX
>
> 1.
>
> 355-11
> The Effect of Compost Tea Additions On Extractable
> Soil Nutrients and Microbial Activity
> Anna Courtney et al
> UW-Stevens Point, Stevens Point, WI
>
> HTML Poster Abstract
> http://a-c-s.confex.com/crops/2011am/webprogram/Paper66696.html
>
> PDF Poster
> http://tinyurl.com/3mc68bh
>
>
> 2.
>
> 355-12
> Effects of Compost Tea On Soil Microbial Biomass
> Carbon, Nitrogen, and Phosphorus
> Joel Stokdyk et al
> UW-Stevens Point, Stevens Point, WI
>
> HTML Abstract
> http://a-c-s.confex.com/crops/2011am/webprogram/Paper66784.html
>
> PDF Poster
> http://tinyurl.com/3l6qobk
>
>
> 3.
>
> 355-13
> The Effects of Compost Tea Applications to Soil
> on Microbial Activity
> Evan Roberts et al
> UW-Stevens Point, Stevens Point, WI
>
> HTML Abstract
> http://a-c-s.confex.com/crops/2011am/webprogram/Paper66115.html
>
> PDF Poster
> http://tinyurl.com/3tadmu4
>
> >>>
>
> Comments and observations:
>
> Based on these trials, very little measurable
> effects were seen from use of compost teas.
>
> They constructd a homemade compost tea brewer.
> I didn't get details on its design but it seemed
> workable.
>
> They referenced The Compost Tea Brewing Manual
> by Elaine Ingham as their source of information
> and guidance.
>
> In conversation, they students were enthusiastic
> about compost teas and put a lot of work into
> lab, greenhouse, and field research.
>
> However, the students didn't have much information
> on the source of the compost substrate accept
> that it was obtained from a local compost
> facility.
>
> Likewise, they didn't have any measure of compost
> quality or compost tea brewing quality in terms
> of biological parameters, nor did they observe
> the tea under a microsccope.
>
> I would have liked to seen better protocals
> in their research that paid attention to
> compost substrate and tea quality, also on
> spay mixtures that combine teas with organic
> amendments that serve as microbial foods
> and stimulants.
>
> Have a look and see if you find anything
> of interest among these poster presentations.
>
> Steve Diver
> Texas
>
Received on Wed Oct 26 2011 - 18:35:59 EDT