[Digestion] Info request on "Pest Repellent property of dilute slurry"

Mon May 6 09:13:09 CDT 2013

hi chanakyahere in Bolivia we have had very important results with the bioslurry, know here as 'biol'.about the use of biol as fertilizer, we have had some experiences with increments of 30-50% on crop production. the FAO is going to publish soon a paper about different experiences reported with bio-slurry as fertilizer. Also, hivos (http://www.hivos.org/) is doing a new reserach about biol in teh world, but again based on fertilizing propierties.
In bolivia we have had testimonies about how the biol 'protect' the crops against the frost, and also, 'help' the crop to recover from the frost damage. always apply in foliar way.
About pest repellent, some farmers have report parcial results. in potato, tehy say taht crops where biol has been applied, have less worms (also more productivity). In Onion, they say that in the time of cold nights the crop get a 'black powder' over the plant and with biol the plant gets recover. the testimonies from farmers are that the biol protect the plant from some pest, but nbot for all. they say that the biol makes a film over the plant as 'oil film', that acts as repellent due the smell.
we have been here more focused on research about increse of productivity, and we are trying to probe the effect of biol on crops when frost happen. but we have no research as pest repellent, only testimonies.
Remember that in bolivia we use tubular digesters, for tropics and also for cold regions as the altiplano (4000 meters over sea level) , so we load the digesters with one part of dung and three parts of waters, so the slurry iis more diluited that in fixed-dome digesters (where dung:water relation is 1:1). we are using 100% pure biol to be apply for irrigation or foliar way.
i hope this helpskeep in touchjaime

-----

Jaime Martí Herrero

CIMNE (www.cimne.com). Building
Energy and Environment Group

Cochabamba · Bolivia

Tel. (+591)-73 090 621

BIOGAS AND BOLIVIA

-RedBioLAC:http://redbiolac.org/

-Taller Biogas Bolivia:http://tallerbiogas.blogspot.com  

-Video: Biodigester installation in bolivian Altiplano:http://es.youtube.com/watch?v=3Sl0XEN5Bgo-Manual gratuito-Biodigestores familiares: Guía de diseño y manual de
instalación: http://grecdh.upc.edu/publicacions/llibres/documents/2008_jmh_guia_biodigestores.pdf

> Date: Mon, 6 May 2013 17:51:11 +0530
> From: chanakya at astra.iisc.ernet.in
> To: digestion at lists.bioenergylists.org
> Subject: [Digestion] Info request on "Pest Repellent property of dilute	slurry"
> 
> Dear List users,
> I would be grateful if any of you could forward me any information of
> 'personal experience' or 'published information' on "pest repellent"
> properties of dilute or filtered biogas slurry on agricultural and
> horticultural crops.  This will be used to convince a few policy makers to
> push the case of Biogas plants.
> Regards
> Chanakya
> 
> -- 
> Dr. Hoysall Chanakya
> Centre for Sustainable Technologies
> (Assoc. Faculty at Centre for Infrastructure, Sustainable Transport and
> Urban Planning (CiSTUP) and Centre for Contemporary Studies)
> Indian Institute of Science, Bangalore 560 012
> ph 91-80-2293 3046; fax-91 80 2360 0683
> 
> 
> -- 
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