Leaves are harvested for fiber on both sides of the US/Mexico boundary. Split, trimmed, dried and bundled in the bordertowns of Sonora and Chihuahua, Mexico, 90 per cent of this fiber is sold to broom supply companies in the US. American ranchers and foresters, viewing the cutting of old palmilla leaves as beneficial to livestock, allow laborers to harvest the same populations every 18-24 months. -from Authors Office of Arid Lands Studies, Univ. of Arizona, Tucson, Arizona 85721, USA.
ASJC Scopus subject areas
- Ecology, Evolution, Behavior and Systematics
- Earth-Surface Processes