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Re: [compost_tea] Sprayer recommendation sought



Thanks Lloyd for your advice.
re spraying preps - I am still using copper to stir and stainless to 
spray and I will probably stick with that.  It is expensive and not 
necessary with CT it seems.
>----- Original Message -----
>From: Graeme Gerrard <ggerrard@resonant.com.au>
>  What kind
>>  of sprayer can I use.  What do you use that you would recommend for 1
>>  acre, but with expansion up to 5 acres.  I am looking at a Rapidspray
>>  200l tank with 4m boom, 11.3lpm, 300kPa/45psi. It has a 12 volt pump,
>>  not PTO, but has a 3 point linkage so it can hang off the tractor.
>>  Anyone here have experience with these things?
>>  Thanks in advance.
>>  --
>Should be OK -
>                         Change the filters before you start - take the
>plastic strainer out of the top and replace it with "termi mesh" or similar,
>about 50 mesh,so that anything going into the tank will clear the nozzles
>easy,  then make sure the nozzle jets are no finer than 40 mesh or better
>stilll take them out. Check that the jet size is not too small. How fast can
>you drive without wrecking the rig.? Faster forward speed = larger nozzle
>size for same application rate = less blockages , also gives a bit of extra
>agitation to keep the brew mixed and some turbulence at the crop canopy for
>better coverage. This pump should be capable of up to 150 lt per hectare at
>10 km per hour @ 4 meter wide - jets to do that should be just about hassle
>free if you do the filter bit. To make sure of it go for low angle jets
>(80degree has a more rounder hole than 110 degree). These little diaphragm
>pumps are limited in capacity but are good goers - dont have much trouble
>with them .
>Some CT applicators are straining the brew with a sock filter into a
>secondary tank then decanting that into the sprayer. This unit would work
>well for putting out preps and could also be hooked up to feed a mistblower
>for foliar nutrition.
>       have fun
>Llolyd Charles
>
>
>
>
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-- 
Graeme Gerrard
ggerrard@resonant.com.au

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