ACKNOWLEDGEMENTS
1.
X-Portal find ware
2.
Compton’s online
Encyclopedia and reference II
3.
Internet sites
Ø
http://www.littlegreenhouse.com/guide3.shtml
Ø
http://www.ecke.com/html/tibs/tib_using_light.html
Ø
http://www.hcs.ohio-state.edu/mg/manual/botany.htm
Ø
http://extension.oregonstate.edu/mg/botany/light.html
Ø http://ag.arizona.edu/pubs/garden/mg/botany/
environmental.html