Aquaponics Digest - Fri 04/16/99
Message 1: Ratios, was Re: Start up
from S & S Aqua Farm
Message 2: Nutrient:Plant ratios
from Adriana Gutierrez & Dennis LaGatta
Message 3: Re: Nutrient:Plant ratios
from KLOTTTRUE
Message 4: Roof top gardens
from "Dale Robinson"
Message 5: Re: Nutrient:Plant ratios
from Craig & Robin Prince
Message 6: Re: Nutrient:Plant ratios
from KLOTTTRUE
Message 7: Re: Nutrient:Plant ratios
from KLOTTTRUE
Message 8: Re: Aquaponics Information
from KLOTTTRUE
Message 9: Re: Nutrient:Plant ratios
from Craig & Robin Prince
Message 10: Re: Help! Help! Help! Rookies going down!!!
from KLOTTTRUE
Message 11: Re: Start up
from Craig & Robin Prince
Message 12: Re: Aquaponics Information
from MajorDad38
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Subject: Ratios, was Re: Start up
From: S & S Aqua Farm
Date: Fri, 16 Apr 1999 09:24:23 -0500
I wrote in response to Craig:
>Craig - We recommend stocking the system at a maximum of 1/2 to 3/4# (at
>grow-out/harvest) of fish per gallon of water. Of course your start-up
>ratio would be lower, but then your plant growth will be light to start as
well.
>
>We use pea gravel (common creek/river gravel here in the Ozarks) for our
>grow media, and use a ratio of 2 cu. ft. of grow space for each cu. ft. of
>water. We prefer gravel for its ability to house the beneficial bacteria,
>without which the system cannot function.
at 11:28 PM 4/13/99 -0500, Jim wrote:
>Hi Paula,
>I'm working from "Can 'til can't" right now with planting and all, so am
>just hit and miss now on posts, but I have a question I feel needs an
>answer for the sake of newcomers, and it never has been brought up while
>I was listening.
>When you say 2 cu.ft. of grow space for each cu. ft. of water, do you
>mean 2 square feet of surface area or 2 cubic feet of grow media? This
>description leaves a lot of room for interpretation (bad guesses;).
>Converting to gallons, I've yet to figure out how to fill 15 gallons of
>gravel bed with 7.5 gallons of water.
>Jim
>PS: I know an answer to this, or at least one that my fish and plants
>don't mind, but would like to hear what ratios/methods others are using.
Adriana posted:
>Jim,
>When I was assessing my alternatives for a system I converted Paula's
>ratios to square feet of planting area:gallons of fish water under the
>assumption that the depth of the beds is related more to the nature of
>the system. Therefore the same size fish tank can provide the nutrient
>needs of the same square footage of 1 foot deep gravel beds in a flood
>and drain system or 3 inch deep perlite drip beds.
>
>Adriana
I apologize for misunderstandings my statement may have caused. I should
have said one cubic foot of water to two cubic feet of grow bed media - in
our case gravel. If your grow beds were only 3" deep, as Adriana mentions
above, the square footage of grow space should increase 4 times.
We've settled on this ratio based on both growth results in the plant beds
and water quality. And Jim, if your gravel beds are filled to "capacity"
with 1/8" to 1/4" gravel, only the amount of water that can temporarily fill
in the air space would be required to "fill" the gravel bed.
Hope this more clear.
Paula
S&S Aqua Farm, 8386 County Road 8820, West Plains, MO 65775 417-256-5124
Web page http://www.townsqr.com/snsaqua/
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Subject: Nutrient:Plant ratios
From: Adriana Gutierrez & Dennis LaGatta
Date: Fri, 16 Apr 1999 14:41:34 -0400
> I apologize for misunderstandings my statement may have caused. I should
> have said one cubic foot of water to two cubic feet of grow bed media - in
> our case gravel. If your grow beds were only 3" deep, as Adriana mentions
> above, the square footage of grow space should increase 4 times.
Paula,
Don't you think the ratios depend on the type of plants being grown?
Let's assume we're planting either basil or lettuce in both systems.
These plants can be densely seeded in a 3" deep bed but will also do
well in your 12" deep gravel beds. Wouldn't both systems require the
same amount of nutrient to supply the needs of 1 square foot of plants
regardless of depth of beds? Only if you have plants that REQUIRE a
larger area for extensive root structures (like tomatoes) would you
increase the square footage in the ratios. In this case your planting
density would decrease in a shallow system to accomodate the needs of
the plants.
Adriana
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Subject: Re: Nutrient:Plant ratios
From: KLOTTTRUE
Date: Fri, 16 Apr 1999 17:23:10 EDT
In a message dated 4/16/99 2:41:20 PM Eastern Daylight Time,
gutierrez-lagatta@home.com writes:
<< Don't you think the ratios depend on the type of plants being grown?
Let's assume we're planting either basil or lettuce in both systems >>
Hello people,what type of Basil do you recommend? Ken
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Subject: Roof top gardens
From: "Dale Robinson"
Date: Fri, 16 Apr 1999 20:00:23 -0500
Does anybody have any pictures of roof top gardens?
Bryn Writes,
>I work for Horticulture Magazine
>in Boston & want to put together a short piece. What I really want is
>a stellar photograph of a flourishing roof garden & a few tips for
>home gardeners. Got any dirt on that?
>Best,
>Bryn
> bryn_canner@hotmail.com
Here's a chance get a few more people interested in hydroponics/aquaculture.
Unless of course no one is doing any hydroponics on roof tops.
Best regards
Dale Robinson
prof-robinson@worldnet.att.net
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Subject: Re: Nutrient:Plant ratios
From: Craig & Robin Prince
Date: Fri, 16 Apr 1999 18:24:42 -0700
Hello Ken
If my understanding is correct the ratio and depth of the growing beds are
required
to allow the bacteria to do there work more efficiently. More surface
area. This
seems to be the most important part of the system ( the bacteria ).
Help me out here - I'm just a rookie getting started.
Craig
KLOTTTRUE wrote:
> In a message dated 4/16/99 2:41:20 PM Eastern Daylight Time,
> gutierrez-lagatta@home.com writes:
>
> << Don't you think the ratios depend on the type of plants being grown?
> Let's assume we're planting either basil or lettuce in both systems >>
> Hello people,what type of Basil do you recommend? Ken
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Subject: Re: Nutrient:Plant ratios
From: KLOTTTRUE
Date: Fri, 16 Apr 1999 21:58:53 EDT
In a message dated 4/16/99 9:25:13 PM Eastern Daylight Time,
Princeb2@pacbell.net writes:
<< Hello Ken
If my understanding is correct the ratio and depth of the growing beds are
required
to allow the bacteria to do there work more efficiently. More surface
area. This
seems to be the most important part of the system ( the bacteria ).
Help me out here - I'm just a rookie getting started.
Craig >>
Hi Craig,First off,I need to tell you that that was Adriana who was talking
about Ratios,also I'm a rookie,but I will share what I have learned so far,I
would not say that the bacteria is the most important part of the system,but
is equal partners,with the other parts,the fish and the plants,neither can do
with out the other,the key is to treat the bacteria with respect,don't
introduce anything into the system that would
harm(Pesticides,Anti-Biotics,raw manure,Chlorine) them,they need
warmth,moisture,and darkness to multiply and do their job,I'm using the
system design of S&S Aquafarm,they have been doing this for quite some time
now,they suggest a ratio of 2 cubic feet of media per cubic foot of water,in
a drain and fill type of system,I'm sorry but I don't feel like I can
elaborate on the design or construction of their system,because this is part
of the way they make their living,you might want to consider buying their
package,it is well designed down to the smallest detail,offers many
references and sources,and troubleshooting guides,it is well worth the
money,which would be recovered very quickly,by not having to go through the
trial and error stages,that they and many others,including myself have gone
thru.I wish I could help more,but I'm sure more people will see your
posting,and help you further,their a great bunch. Good to have you
aboard,have a great day! Ken
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Subject: Re: Nutrient:Plant ratios
From: KLOTTTRUE
Date: Fri, 16 Apr 1999 22:01:09 EDT
In a message dated 4/16/99 9:25:13 PM Eastern Daylight Time,
Princeb2@pacbell.net writes:
<< Hello Ken
If my understanding is correct the ratio and depth of the growing beds are
required
to allow the bacteria to do there work more efficiently. More surface
area. This
seems to be the most important part of the system ( the bacteria ).
Help me out here - I'm just a rookie getting started.
Craig >>
I'm sorry,I didn't answer your question.Yes your understanding is correct.Ken
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Subject: Re: Aquaponics Information
From: KLOTTTRUE
Date: Fri, 16 Apr 1999 22:23:01 EDT
In a message dated 4/15/99 2:52:31 PM Eastern Daylight Time,
prof-robinson@worldnet.att.net writes:
<<
I've added some new links to my site. Now you may never want go anywhere
else for information on hydroponics, gardening, aquaculture or vermiculture.
All you need to know accessed from one cite.
Best regards
Dale Robinson
prof-robinson@worldnet.att.net
Links page
Growing beds page
Links page
> Hi,
>
>>
Hi Dale,I tried even with the correct spelling,but I still could not get into
your web sites. Ken
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Subject: Re: Nutrient:Plant ratios
From: Craig & Robin Prince
Date: Fri, 16 Apr 1999 19:34:45 -0700
Hello Ken
The S&S packet is very informative and wel worth the money- your right.
Thanks for the reminder about the balance of the system.
Craig
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Subject: Re: Help! Help! Help! Rookies going down!!!
From: KLOTTTRUE
Date: Fri, 16 Apr 1999 22:49:53 EDT
In a message dated 4/14/99 10:38:06 AM Eastern Daylight Time,
gwatkins@yournet.com writes:
<< I agree with Ron that it sounds like Ich. Having recently lost several
hundred
pounds of tilapia to this parasite, here's my advice:
>>
Hello Gordon and Ron,I took your advice and I'm doing the things you
recommended,Lost one fish,but the others are doing much better so far,they
also had Fin and tail rot,I put them in a seperate tank,added
salt,anti-biotics,water temp 85%,fingrs crossed. Thank you very much,Ken P.S.
In case anyone else is watching,this is a private Thank You.
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Subject: Re: Start up
From: Craig & Robin Prince
Date: Fri, 16 Apr 1999 19:54:42 -0700
Hello Adriana,
I sorry, I didn't go back far enought to see where your posting was about
growing
beds. How is your system working with 3" depth. Is your root system
slowing down the
flow in the beds. Thanks for all your input.
Craig Prince
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| Message 12 |
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Subject: Re: Aquaponics Information
From: MajorDad38
Date: Sat, 17 Apr 1999 00:22:57 EDT
In a message dated 4/16/99 9:26:20 PM Central Daylight Time,
KLOTTTRUE writes:
<< Hi Dale, I tried even with the correct spelling, but I still could not get
into
your web sites. Ken >>
Ken, I just tried the links address and it came up no problem. The old
address also works: http://home.att.net/~prof-robinson/page7.htm.
Dick Bristol
S&S Aqua Farm, 8386 County Road 8820, West Plains, MO 65775 417-256-5124
Web page http://www.townsqr.com/snsaqua/
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