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Human hair is a water-saving device in Chile, a country that has been hit by drought.

The small mats of hair at the base of the plants help to lock in moisture in orchards in Chile, which have suffered from drought for many years.

According to the Matter of Trust Chile Foundation, who makes the mats, the hair is turned into sheets or discs of compostable mulch through mechanical weaving. This reduces direct evaporation of up to 71%, and can save as much as 48% of irrigation.

"Hair is interesting. "Hair is very interesting.

Maria Salazar, a farmer in Taltal in the arid Antofagasta Region of Chile, said that the hair had helped her get optimum crop yields from the lemon trees. Taltal is located about 900 km (560 miles north) of Santiago.

Salazar stated that the hair mats were a great benefit for our system, and they also helped to reduce water stress. By providing shade, the hair mats maintain a high level of humidity. They also prevent the sun rays from evaporating our little water.

In 2020, the foundation was established to encourage conservation and regeneration by creatively using waste. The hair comes from 350 salons in Chile and 10 pet groomers. About 2% of hair used for the mats is from pets.

The foundation also produces a liquid fertiliser made from recycled hair, and an absorbent based on hair that can be used to remove contaminants such as metals, oils and other pollutants from water. (Reporting and additional reporting by Fabian Andres Cambero, Editing by Alexander Villegas & Rosalba OBrien)

(source: Reuters)