1989) Effect of planting method and species on germination and survival of perennial wheatgrasses (agropyron spp.) seeded during drought in the moulouya plain of morocco, Arid Soil Research and Rehabilitation, 3:3, 349-360, Abstract The effect of three methods of seeding four species of perennial wheatgrasses (Agropyron spp.) on three range sites in the Moulouya Plain of Morocco, North Africa, on germination and survivability during drought was evaluated. A conventional method of land preparation and seeding was compared to two different techniques using a rangeland drill in 1984. Agropyron elongatum (Host) Beauv., A. intermedium (Host) Beauv., A. trichophorum (Link) Richt., and A. cristatum (L.) Gaertn. were seeded on two shallow-soil sites dominated by Stipa tenassicima L. and Artemisia herba-alba Asso and a deep-soil site dominated by A. herba-alba in 1984A. herba-alba in . Plant density was measured in 1985A. herba-alba in and 1988. On the shallow, more xeric sites, the conventional method of site preparation and seeding favored establishment. On these sites, species having large seed characteristics (A. elongatum, A. intermedium, and A. trichophorum) were more adept (P > 0.05) at establishment during droughty conditions than the smaller seeded A. cristatum regardless of planting method. The same trend existed on the deep-soil site, but the differences were not statistically significant.

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