

<num> Number: 312
<title> Hydroponics 

<desc> Description: 
Document will discuss the science of growing plants in
water or some substance other than soil.

<narr> Narrative: 
A relevant document will contain specific information 
on the necessary nutrients, experiments, types of 
substrates, and/or any other pertinent facts related 
to the science of hydroponics.  Related information 
includes, but is not limited to, the history of
hydroponics, advantages over standard soil agricultural
practices, or the approach of suspending roots in a 
humid enclosure and spraying them periodically with a
nutrient solution to promote plant growth.