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Human Hair Combined With Compost Is Good Fertilizer For Plants

Date:
December 31, 2008
Source:
American Society for Horticultural Science
Summary:
Studies have shown that human hair, a readily available waste generated from barbershops and hair salons, combined with additional compost, is an additional nutrient source for crops.

Agricultural crop production relies on composted waste materials and byproducts, such as animal manure, municipal solid waste composts, and sewage sludge, as a necessary nutrient source. Studies have shown that human hair, a readily available waste generated from barbershops and hair salons, combined with additional compost, is an additional nutrient source for crops.

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Although human hair has become commercially available to crop producers in the past couple years, it has not been proven to be an exclusive source of nutrients in greenhouse container production.

Vlatcho D. Zheljazkov, Juan L. Silva, Mandar Patel, Jelena Stojanovic, Youkai. Lu, Taejo Kim, and Thomas Horgan of Mississippi State University recently published a research study in HortTechnology designed to determine whether commercially available noncomposted hair waste cubes would support plant growth in horticulture crops as a sole source of nutrients.

The study compared the productivity of four crops: lettuce, wormwood, yellow poppy, and feverfew, grown in commercial growth medium using untreated control, noncomposted hair cubes at differing weights, a controlled-release fertilizer and a water-soluble fertilizer. Results showed that, with the addition of hair waste cubes, yields increased relative to the untreated control but were lower than yields in the inorganic treatments, suggesting that hair waste should not be used as a single source for fast-growing plants such as lettuce.

Zheljazkov suggests that, "once the degradation and mineralization of hair waste starts, it can provide sufficient nutrients to container-grown plants and ensure similar yields to those obtained with the commonly used fertilizers in horticulture. However, it takes time for the hair to start degrading and releasing nutrients, as is reflected in lower yields in the hair treatments relative to the inorganic fertilizers for lettuce and wormwood."

Because of possible health concerns, further research is necessary to determine whether human hair waste is a viable option as fertilizer for edible crops.

The complete study and abstract are available on the ASHS HortTechnology electronic journal web site.


Story Source:

The above story is based on materials provided by American Society for Horticultural Science. Note: Materials may be edited for content and length.


Journal Reference:

  1. Valtcho D. Zheljazkov et al. Human Hair as a Nutrient Source for Horticultural Crops. HortTechnology, 18: 549-745 (2008) [link]

Cite This Page:

American Society for Horticultural Science. "Human Hair Combined With Compost Is Good Fertilizer For Plants." ScienceDaily. ScienceDaily, 31 December 2008. <www.sciencedaily.com/releases/2008/12/081229104704.htm>.
American Society for Horticultural Science. (2008, December 31). Human Hair Combined With Compost Is Good Fertilizer For Plants. ScienceDaily. Retrieved October 30, 2014 from www.sciencedaily.com/releases/2008/12/081229104704.htm
American Society for Horticultural Science. "Human Hair Combined With Compost Is Good Fertilizer For Plants." ScienceDaily. www.sciencedaily.com/releases/2008/12/081229104704.htm (accessed October 30, 2014).

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