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Thread: growing plants with reflected light

  1. #11
    Join Date
    Sep 2007
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    Brisbane, Australia
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    Default Re: growing plants with reflected light

    coffee and ginger are understorey plants aren't they?

  2. #12

    Default Re: growing plants with reflected light

    Wow,
    Plenty of food for thought reading your comments. Big Thanks! We`ve just completed the first phase of the project, which involved putting 6tons of gravel, 12tons of soil and 6tons of compost onto the concrete slab at the bottom of the `hole`. It was a terrific day of work altogether. The soil was dropped in by a 22 meter long crane in 1 ton bags, and we managed to get all the growing medium, two trees (12 year old perssimon and 10 year old uguisu kazura berry) a 4 meter juneberry and some blueberries down in the one day! Thanks to Michi, Suesan, Toru and company! We are letting the soil settle over this coming week of spring rain and plan to plant a few more trees to espallier along the south-facing wall, and another 80 species or so of perennials and self-seeding annuals (mostly edibles and medicinals) along with a mixed covercrop of legumes. We are also planning to experiment with stretching mylar along the walls to reflect sunlight into the darker sections of the garden. We are also hoping to raise a family of japanese quails in the garden to provide eggs and control bug populations. We will keep you updated on how we go. We hope to incorporate many of the ideas you were kind enough to suggest. Thanks again!

  3. #13
    Join Date
    Sep 2007
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    550

    Default Re: growing plants with reflected light

    that sounds very impressive! please send us photo's!

  4. #14
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    May 2006
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    N.Sydney 'burbs Zone 9-10
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    Default Re: growing plants with reflected light

    Quote Originally Posted by ppp
    coffee and ginger are understorey plants aren't they?
    Yep I think so.Certainly in the tropics although possibly not at ginger farms at Buderim Qld
    Why have Buderim Ginger shares dropped by 70% of late?

    Folowing my own advice I purchased some Corsican Mint yesterday and have planted in the cracks of paving. I have never had a lot of luck with this plant. Is there a secret? Does it like it dry or limey/gypsumy?
    I will get some matting thyme seeds when I work out which one is fragrant and/or useful.

    I found a bit of broken mirror in the "Garage" (AKA 'Rubbish heap'- no car has ever seen the inside of it. Strange how we store $100 worth of crap in garages and leave a $10-$60,000 car outside))
    Anyway I set it to reflect the last rays of light on my most recent attempt to grow sage. This time I have gone for a coloured & variegated form.
    It may be a better form of Salvia officinalis to grow--invariably they die here in humid February). I got the felling that the little sage said "Thank you".

    I have a lot of large aluminium cans. Is there away of making them highly reflective?
    "You can fix all the world's problems in a garden. .Most people don't know that" http://www.youtube.com/watch?v=sohI6vnWZmk
    Music can solve all the world's problems. Not many people know that- MA 2005
    "Politicians will never solve 'The Problem' because they don't realise that they are the problem" R Parsons 2001

  5. #15

    Default Re: growing plants with reflected light

    Michaelangelica,
    perhaps you can cut open your aluminium cans and use the reflective surface inside.
    You would most certainly want to be wearing gloves!

  6. #16
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    Jun 2006
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    Sunshine Coast, Qld.
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    Default Re: growing plants with reflected light

    Scrunched up tinfoil, or a chocolate bar wrapper, can be used to scour the parabolic bottom surface of tin cans into a highly reflective mirror. (Apparently) it concentrates the sun's rays enough to start a fire, so best not point too many of them at your sage!

    Hamish
    Hamishmac

  7. #17
    Join Date
    May 2006
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    N.Sydney 'burbs Zone 9-10
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    Default Growing plants with reflected light Mirrors

    Quote Originally Posted by Hamishmac
    Scrunched up tinfoil, or a chocolate bar wrapper, can be used to scour the parabolic bottom surface of tin cans into a highly reflective mirror. (Apparently) it concentrates the sun's rays enough to start a fire, so best not point too many of them at your sage!

    Hamish
    MMM
    What's parabolic about the bottom of a tin can? Do you mean the can cut in half?

    I tried stapling a couple 8' lengths of aluminium cooking foils to a shed wall with staples. One is off with the recent weather. Perhaps some sort of glue would be the go. They used to make expensive metal wallpaers. I wonder what sort of glue they used? Superglue would be too expensive.I am not sure where the light went that the aluminium reflected.
    (BTW Superglue was developed during the Korean war & used in MASH type units to save time sticking wounded soldiers-they just glued them together )


    I saw a couple of c.1M x 35cm mirrors at K mart tonight I can't remember if they were $30 or $50 .
    What if you sealed the sides and back of those with that stuff they use to seal terracotta pots with?

    This is interesting perhaps :?:
    EuroMir™ (Acrylic) Mirror is a high quality, European grade mirror with a P.E. mask and tough back-coating that reduces scratching during fabrication. Available in 12 colours ex-stock., this durable acrylic mirror is ideal for slatwalls, point-of-purchase displays, casinos, children's toys, cosmetic displays and for applications in the food service industry.

    Available in thse sizes and colours:

    SILVER 2mm 2440 x 1220
    SILVER 3mm 2440 x 1220
    http://www.allplastics.com.au/03/produc ... ylics.html

    Done Burke has a Garden Mirror project but attached to Marine Ply which costs an arm and a leg
    http://www.burkesbackyard.com.au/factsh ... rrors/2328

    The solution proposed by Garcia Hansen and her supervisor Dr. Ian Edmonds was a system that captures and reflects sunlight into a hollow mirrored pipe, which can then be reflected into the deep office space at the required locations.

    “One of the greatest difficulties was how to capture the sunlight efficiently since the sun constantly changes its position in the sky during the day and over the seasons,” says Garcia Hansen. “Most systems use complicated and expensive sun tracking systems. Our solution has no mobile parts, and is completely passive, therefore reducing operation and maintenance costs. We realised that a simple device known as laser cut acrylic panels, would passively redirect sunlight inside the pipe. This reduces the number of light reflections along it, thereby increasing the performance.

    “An important innovation of our system is that light can be extracted at any distance and at multiple points along the pipe, up to a distance of 24m. Commercially available light pipes for residential use can only reach up to three metres and have only one light output.”

    The light pipes can be adapted to building designs and can be vertical – collecting light from the roof - or horizontal – collecting light from the facade. With interest growing from international architects, the next step is to build a prototype – scheduled for later this year.

    Garcia Hansen believes the light pipes will provide a cost-effective, energy efficient solution that will enhance the well being and productivity of workers.
    http://www.infolink.com.au/n/Pipes-brin ... rs-n760564


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    "You can fix all the world's problems in a garden. .Most people don't know that" http://www.youtube.com/watch?v=sohI6vnWZmk
    Music can solve all the world's problems. Not many people know that- MA 2005
    "Politicians will never solve 'The Problem' because they don't realise that they are the problem" R Parsons 2001

  8. #18
    Join Date
    Jun 2006
    Location
    Sunshine Coast, Qld.
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    Default Re: growing plants with reflected light

    Michaelangelica,

    Aluminium soft drink cans usually have a concave bottom, unlike food cans. Perhaps I should have been more specific. Videos are available on youtube.

    Hamish
    Hamishmac

  9. #19
    Join Date
    Sep 2005
    Location
    katherine NT, Australia
    Posts
    1,590

    Default Re: growing plants with reflected light

    Philbo,

    Congratulations on being part of this project. Check the temperatures at the base and on the walls of the garden and compare them to the external temperatures. With it being inclusive in a building that will be heated/cooled etc you may be able to sneak in some real surprises like orchids on walls or staghorns etc.

    If you are going to put a permie garden into an art gallery I would put an emphasis on beauty as well. Epiphytes, and there are hundreds, would break down the starkness of the walls and could be suspended there on fishing line and superthin wire. I always planted marigolds and nasturtiums in with my vegie patch for my kids and myself but I always suspected the carrots and potatoes liked having them around too!!

    Just my 2c worth.

    cheers,

  10. #20
    Join Date
    May 2006
    Location
    N.Sydney 'burbs Zone 9-10
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    4,780

    Default Re: growing plants with reflected light

    I wonder how silver paint would go? Such as something from an auto shop?

    Sorry ,would you beleive 9andalf and I do all this on dial up! So no utube for us!

    on kids gardening an interst of mine (have you seen the new roll out of Stephanie Alexander's programme across Oz?)
    I was always told not to plant carrots in rocky soil as you get funny shaped carrots.
    When reading a book about kid's gardening (by jackie French?) it suggested putting rocks and other barriers in you pots-so that you GOT funny shaped carrots
    Why should the kid's have all the fun!!
    PS someone also sufggested planting radish with you carrots for some unknown reason -better germination?
    BTW
    It is a myth that carrots help night sight. A myth started by the british secret service- but that's another story
    "You can fix all the world's problems in a garden. .Most people don't know that" http://www.youtube.com/watch?v=sohI6vnWZmk
    Music can solve all the world's problems. Not many people know that- MA 2005
    "Politicians will never solve 'The Problem' because they don't realise that they are the problem" R Parsons 2001

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