MadSci Network: Botany
Query:

Subject: Why is direct sunlight to roots inhibitory to plant growth?

Date: Mon Mar 8 12:01:41 1999
Posted by Melissa Meyer
Grade level: 10-12 School: Conrad High School
City: Conrad State/Province: MT Country: USA
Area of science: Botany
ID: 920916101.Bt
Message:

I am doing a project on a modified hydroponics system.  My plants
are in glass bowls and light enters freely.  In the control
and my first variable, there is no air space for the roots.  
However, the third plant has air contact with its roots.  These
plants do not seem to be doing as well as the same type grown in
soil.  As the nutrient mix contains everything necessary to the
plant, the difference must be due to the ability of light to 
penetrate to the roots.


Re: Why is direct sunlight to roots inhibitory to plant growth?

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