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RE: [compost_tea] Q's: Applying Compost Tea
Title: Message
Hey Mike
Bosco, Jason came up pretty big for us,huh?!? Thanks for the input,
Jason. Many times, It's the little things. Suggestions like these
should make for a totally tricked out sprayer! Thank you. On Thu, 29 May 2003
15:00:31 -0700 Jason Austin <jason.austin@shaw.ca> wrote: Hi Kevin What
are you towing the sprayer with? - 325 gallons is quite a weight
depending on what you are using and also what you are driving over. You
will also need to factor in the weight of whatever the tank is sitting on. I
have my sprayer on the 3 point hitch of my tractor driven by the PTO. I
have a diaphram pump 14 gpm and either 200-400psi - I forget which.
Works well. I mounted a mast sprayer that goes up 15' with 8 spray
nozzles, and can be lifted out and used as a boom sprayer. You don't need an
air compressor to drive a diaphram pump - just a drive source such as the
tractor PTO or say an 11hp Honda motor. A 5 gpm pump is quite a small
pump particularly for a 325 gallon tank. I think you would be better to
go for a bigger pump particularly if you are using a boom - the 5 gpm will not
feed many nozzles. If the pump is running but you are not spraying
then a release valve recycles the extra back into the tank. An air source of
some sort may be desirable to keep the CT aerated while you are setting up and
spraying - depends on the time there will be between getting the CT from your
brewer until your are finished spraying. In addition to the mast sprayer I
have a wand on a long hose for doing those one off jobs. And I put a 1"
drain on the bottom of my tank that runs to a garden hose fitting. This
allows me to do a soil drench without running the brew through the pump, and a
gravity fed line is a lot more peaceful than blasting away with a pressure
pump. Also makes cleaning a lot easier. So in
all I have three ways to get the CT out - and I use all three. I got a lot of
help from my local feed store that sells farm accessories. Try talking
with someone like that or a tractor dealer. Even if you are not using a
tractor, the farm equipment people will have a lot of experience with
spraying. Finally, watch out for the commercial spray tanks. The ones I
saw had molded feet so there would always be small amount of liquid in them -
maybe not a problem for chemicals but a real bear for those of us using
compost tea that we don't want turning anaerobic. I held out and
eventually got a round flat bottomed 200 gallon tank. I firgured
that would be fine for my tractor because my 3 point hitch is rated at
2,240lbs. But I forgot to allow for the weight of the pump and the steel
frame to hold the tank! I had the frame custom made and the guy built it
like a sherman tank - easily a 1,000lbs . Then the pump is a good
40lbs. Result? - I can only put 100 gallons in the tank
:-D Well we live and learn <grin> Don't rush
into this - think carefully about what you are trying to achieve then get
advice about how to get there. I do recommend the three different
ways of getting your CT out of the sprayer - the interchangeable mast/boom; a
wand; and a drain for gravity feeding and cleaning. Hope this helps. Jason
kevin john richardon wrote: > Glen~ > > Thanks for responding.
Good advice. I would like to set up and spray > at will!, so I think
I will be investing in a 325 gal tank (best I can > match to my payload and
remain trailerless; although the decision is > also based on current local
availability ), spray at about 5 gpm (to > get an acre out of my dilution
and meet percieved time requirements), > which will determine the legnth of
my necessary spray bredth. > > Now if I could decide on a diaphram pump,
engine and air compressor > (does one necessarily need air compression to
drive a diaphram) that > will allow me to dial in flow, psi, and gpm, I
would be getting > somewhere! maybe? By the way it would be awesome
to configure a > system which will be compatible with a behind the cab
style boom! > > What type of equipment do you use to spray? > >
ciao~ kev > > > On Thu, 29 May 2003 14:25:51 -0000 growest2002
<g.w.thomson@shaw.ca> > wrote: > <html><body> >
> > <tt> > Kevin-maybe I can give my 1 cents worth on soil
drenching.<BR> > <BR> > As you pointed out, adding a
reasonable "depth" of water to > an acre<BR> >
of <BR> > land involves enormous amounts of water. And yes,
this water > should <BR> > be dechlorinated from what everyone has
shared on this list.<BR> > <BR> > My tiny bit of experience
this year has led me personally to use our <BR> > spring rains to
soak in these soil drenches, rather than trying to<BR> > add
<BR> > enough carrier water to move the AACT into the root
zone.<BR> > <BR> > By watching the weather forecast, along
with the very wet spring we <BR> > have had in the Pacific Northwest
(south of you tho!) I've been able <BR> > to drench soil and nursery
containers prior to or during 1/2 to 1 in. > <BR> > rainfall
events here. So much faster and more effective than > trying
<BR> > to provide those thousands of gallons of dechlorinated water
myself.<BR> > <BR> > I'm just not sure I'd try to duplicate
that now that the substantial <BR> > rains are done till fall...just
plan on doing all the soil drench <BR> > during the spring or after
fall rains have started.<BR> > <BR> > This isn't applicable
to other areas with quite different weather <BR> > patterns, but
wonder what others in the wet coast applying tea think <BR> > of my
take on this.<BR> > <BR> > And thanks Kevin for bringing
this subject up. An acre inch is > that <BR> > much
water...I know I'll never be able to apply that economically and >
<BR> > get paid enough to do it!<BR> > <BR> >
Glen<BR> > <BR> > --- In compost_tea@yahoogroups.com,
"kevin john richardon" <BR> >
<kmagic@b...> wrote:<BR> > > Howdy
Pards,<BR> > > <BR> > > I am slightly
embarrassed (but not really, cause I make mistakes > a <BR> > lot)
to have been eronious with data in my firstever letter to yall.<BR> >
> <BR> > > The real numbers are (I asked a farmer; they
know their stuff):<BR> > > <BR> > > 1 Acre
inch = 27,154 gallons<BR> > > <BR> > > 1/8
Acre inch = 3400 gallons = .07805 / 1 sq. ft.<BR> > > it seems
impracticle to equip myself to bring this volume of > water <BR> >
with me. I think this volume would be extremely challenging for >
me<BR> > to <BR> > spray in a reasonable legnth of time to
remain economically viable.<BR> > > <BR> > >
My target application rate is 1 Acre per Hour.<BR> > >
<BR> > > 1/32 Acre inch = 850 gal = .01951 gal / 1 sq.ft.
<BR> >
>
> = 14.16 gpm flow (1 Hr) <BR> > > 1/64 Acre inch = 425 gal
= .00975 gal / 1 sq.ft. <BR> >
>
> = 7.083 gpm flow (1Hr)<BR> > > Application approximate to
these ratios of volume to area seem > more <BR> >
practicle. I believe I can configure to achieve a flow that fits
> my <BR> > arbitrary yet critical criterion of time.
<BR> > > <BR> > > Among the questions
are: <BR> > > Does application of compost tea at a
ration of this volume of > water <BR> > support the water
requirements of the microbes? Will the > application <BR>
> result in desired effects? Is the volume great enough to be
<BR> > considered a root drench? Would supplemental
watering be > necessary, <BR> > immediately?<BR> >
> <BR> > > Or is there equipment available
(configurations) capable of > putting <BR> > down more water (gpm)
during application? <BR> > > <BR> >
> Specifications to consider:<BR> > > *It has been
suggested to me that a diaphram pump has the > gentlest, <BR> >
least violent action on the microbes.<BR> > > <BR> >
> *The Brewing manual suggests 100 psi up to 600 psi is acceptable >
to <BR> > transport microbes, yet microbes should contact surfaces at
no more <BR> > than 20 - 80 psi.<BR> > > <BR>
> > *Gallons Per Minute Flow<BR> > > *Total water
Volume per Acre<BR> > > <BR> > > I am
attempting to configure a Compost Tea Spraying Truck (truck > <BR>
> specs: 2001 Chevy 2500 HD Duramax Diesel (454 cu.in., 6.0 turbo),
<BR> > Alison 5 speed Transmission, 6.5 ft. box, 3200lbs. payload;
12000<BR> > lbs. <BR> > tow capacity) with Hand operated
wand-type spraying as well as boom <BR> > operated spraying
capabilities. <BR> > > <BR> > >
Seems like a trailer may need to be considered to enter system <BR> >
configurations to meet water demands.<BR> > > <BR> >
> I would also like to explore possibilities of incorporating a
<BR> > proportionate pump.<BR> > > <BR> >
> Thank you for your time and consideration, everyone.<BR> >
> <BR> > > Best Regards,<BR> > >
<BR> > > Kevin John Richardson<BR> > <BR> >
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