48 DRY-LAND OLIVE CULTURE IN NORTHERN AFRICA. 



Page. 



Temperature, monthly mean, Sfax 14 



olive culture, importance 15 



Texas, El Paso, precipitation compared with Sfax 15 



San Antonio, precipitation compared with Sfax '_ 15 



temperature changes compared with Sfax 15 



western, topography compared with Sfax region 17 



Tillage, olive orchards, Sfax 25-28 



Topography of Sfax region 17 



Tozer, oasis, annual rainfall 37 



Trabut, Dr. L., suggestion for use of Chemlaly olive as stock for larger 



fruit I 20 



Trees, olive, age for maximum yield 32 



pruning 28 



bearing age, differences, causes 31 



cost, first ten years : 35 



of planting 24 



full bearing age, yield, etc 39 



method of planting 13 



old, disappearance, Sfax 35 



treatment to bring into bearing : 32 



periodic bearing, characteristics 32 



prices for different ages 31 



pruning, methods at Sfax 28 



Susa region, peculiarities of form 38 



Truncheons, olive, management 20, 24 



planting in nursery form 24 



use in propagation of olives 39 



See also Cuttings. 



Tunis, climate not changed since ancient times 10 



northern, olive culture 36-38 



uninterrupted 12 



present condition 8-9 



Twigs, olive tree, injury by use of pole in harvesting 30 



Vegetation, natural, Sfax region 17 



Water, absence of perennial streams in Sfax region 16 



scarcity, Sfax region 38 



sea, use in Sfax 16 



selling in Sfax_ 16 



Watering olive trees, methods at Sfax__* 24 



young trees, necessity, methods at Sfax, etc 24 



Wells, number required for given orchard 24 



Sfax, description 16 



Wheat growing in olive orchard 27 



Wood, scarcity and need at Sfax 28 



Yields, average, of fruit and oil of olive trees at different ages, Sfax 31-32 



Zizyphus spina-christa. See Christ thorn. 

 125 



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a '09 



