Allotments 4 All
News:
Picture posting is enabled for all :)
Home
Forum
Help
Search
Calendar
Gallery
Chat
Login
Register
Allotments 4 All
»
Allotment Stuff
»
The Basics
(Moderator:
Admin aka Dan
) »
Topic:
Polythene Cloches / Tunnels
« previous
next »
Print
Pages: [
1
]
Author
Topic: Polythene Cloches / Tunnels (Read 1012 times)
KevTetley
Not So New ...
Posts: 32
Polythene Cloches / Tunnels
«
on:
March 26, 2007, 21:06:52 »
I have an alomost endless supply of large sheets of blue polythene.
Is it ok to use BLUE ploythene to make polytunnels / cloches or will it be restricitive to the light?
Thanks
K
Logged
Robert_Brenchley
Hectare
Posts: 15,593
Re: Polythene Cloches / Tunnels
«
Reply #1 on:
March 26, 2007, 23:00:24 »
Not only does it cut off a great deal of light, but a lot of it (maybe all? I'm not sure) disintegrates in sunlight, and you get nasty little bits scattered all over the garden.
Logged
Birmingham UK
http://thisandthat-robert.blogspot.com/
Si
Half Acre
Posts: 145
Re: Polythene Cloches / Tunnels
«
Reply #2 on:
March 26, 2007, 23:54:48 »
Plants absorb blue and red light for use in photosynthesis. Green light is reflected because the plants cannot use it to make food. If you put a blue polythene sheet over your plants, it could act as a filter and block the useful blue light!
Logged
KevTetley
Not So New ...
Posts: 32
Re: Polythene Cloches / Tunnels
«
Reply #3 on:
March 27, 2007, 10:19:53 »
Excellent - I remembr my A level Biology now!!
Thanks
Logged
Print
Pages: [
1
]
« previous
next »
Allotments 4 All
»
Allotment Stuff
»
The Basics
(Moderator:
Admin aka Dan
) »
Topic:
Polythene Cloches / Tunnels
anything
SimplePortal 2.3.5 © 2008-2012, SimplePortal