We have often heard of leaf litter, farmyard compost and animal waste used as plant food. However, recent research has shown that human hair, combined with compost can be used as a nutrient source for plants. In an experiment conducted with lettuce, yellow poppy, feverfew and wormwood, the crop yield was more in plants treated with hair waste and compost. However, the yield was low in case of plants treated with only hair waste. So, the conclusion of the research is that hair waste is a potential source of nutrients for plants, provided that it is used along with other fertilizers. More research is ongoing to ascertain the health issues associated with the use of hair waste as fertilizer.
I found this article very interesting, considering they are finding new ways to use natural resources, such as human hair as plant fertilizer. I am interested in seeing if this research will be successful in the long run!
http://www.buzzle.com/articles/biology-current-events.html
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