Effect of shelter tubes on establishment and growth of Juniperus thurifera L. (Cupressaceae) seedlings in Mediterranean semi-arid environment María Noelia Jiménez, Francisco Bruno Navarro, María Ángeles Ripoll, Inmaculada Bocio and Estanislao De SimónAnn. For. Sci., 62 7 (2005) 717-725DOI: https://doi.org/10.1051/forest:2005062