We have heard of 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.
Ben snider
http://www.buzzle.com/articles/biology-current-events.html
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