permaculture

[Steve Hart <stevenlawrencehart@gmail.com>]

Justin...I'm afraid you are in the wrong boat and pushing shit up hill with
this specific exercise. What you are discussing is all wrong for many
reasons. This level of activity also has no place in Permaculture. It is a
total abuse of natural systems in fact in conflict with in many ways. I
suggest you do more study and perhaps read the work of many more scientists
in the fields of soil biology. One good book by Graeme Sait " Nutrition
Rules" will give you a good start. He interviews many of the world's top
scientists in this broad field, 20 odd in fact. His introduction is most
valuable as an overview...
Steve Hart

On 21 August 2015 at 13:22, Lawrence London <lfljvenaura@gmail.com> wrote:

> ---------- Forwarded message ----------
> From: gcesinc@yahoo.com [compost_tea] <compost_tea@yahoogroups.com>
> Date: Wed, Aug 19, 2015 at 11:16 PM
> Subject: [compost_tea] Aquaponics Biology
> To: compost_tea@yahoogroups.com
>
>
> Hi all, first post to the group so pardon the newbie questions. First off
> let me say that one of my goals is to qualify to become a soil foodweb
> consultant concentrating my efforts within the Caribbean region and South
> America, home is Barbados. Given my aspirations, I'm constantly seeking
> opportunities to apply the knowledge gained from the soilfoodweb courses to
> real world scenarios. Recently I've been working with one of my clients who
> installed his first Aquaponics raft system, it's a design based on the Dr.
> James Rakocy design but geared towards veg production vs fish. While still
> relatively young, I believe around 5-6 months old, it had reached a point
> where they were producing 6-7 week lettuce consistently. Unfortunately the
> productivity was short lived. Growth soon slowed in lettuce varieties that
> had previously grown vigorously while other plants like the mustards, kale
> and even brassicas seemed to be grow vigorously. Eager to assist I offered
> to take a look at the root systems of a couple varieties of lettuce,
> however am now wondering, given the completely submerged nature of these
> root systems, is it realistic for me to expect to see biology consistent
> with that of compost. Will bacteria, fungi, nematodes, amoeba and micro
> arthropods able to thrive in such an environment? As I haven't yet
> purchased a DO meter I haven't been able to verify DO levels, however I
> understand they should be maintained at around of 6 ppm in the grow bed.
> Leading me to believe the biology could compare to that of a compost tea
> brewer. Any assistance would be much appreciated.
>
> Justin
>
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> --
> Lawrence F. London
> lfljvenaura@gmail.com
> https://sites.google.com/site/avantgeared/
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-- 
Kia ora

[image: Picture]
*Steve Hart*
*Ecology Architect*
*Designer, Teacher, Builder of Ecologically Sustainable Resilient
Environments, through Urban Design, Architecture, Landscape Architecture
and Systems Ecology.​*
Skype: tipenemanawa
Phone: +64 220 75 62 11

Permaculture Global Design:
www.permacultureglobaldesign.org

The Permaculture College of Europe.
www.permaculturecollege.eu
https://permaculturecollege.academia.edu/SteveHart

GAPPS The Global Alliance for Permaculture Partnerships and Solutions.
www.permaculturepartnerships.com