46 



DRY-LAND OLIVE CULTURE IN NORTHERN AERICA. 



Page. 



Olives, propagation, methods at Sfax 20-21 



sale on tree, custom 30 



time of ripening 30 



Orchards, olive, Algeria, use of cactus pads by Arabs in planting 24 



ancient Tunis, destruction by Arabs 12 



extent 11 



conservation of moisture, methods at Sfax 25-2S 



cultivation 27 



distance between trees 22 



establishing, steps 21-27 



necessity for clean culture 26 



propagation, planting, etc 19-36 



Provence, France 32 



restoration in Tunis, encouragement by government 13 



Sfax 19-36 



age at which trees pay expenses 36 



appearance and yield 13 



clearing the land 21-22 



cultivation after expiration of contract, manage- 

 ment, expenses, etc 35 



extent, 1881 12 



growth since 1881 13 



harvesting 30-31 



labor 34-36 



manuring 2S 



planting 22-24 



propagation 20-21 



proprietors, requirements by m'rcharcis' contract 35 



pruning 28-30 



relation of rainfall to yields 32-34 



tillage 25-27 



variety grown 19-20 



work of French capitalists 12-14 



yields 31-32 



southern Tunis, present extent 13 



Panniers, use in marketing olives 30 



Phosphoric acid content, soils of Sfax region __ IS 



Pistache, cultivation in ancient Tunis 11 



Planting, olive, time and method 23 



methods at Sfax 22-28 



Plates, description 42 



Plowing, deep, clearing land for olive orchards 22 



methods for extirpation of Bermuda grass in olive orchards 25 



olive orchards 26 



Pole, use in harvesting, injury to fruit and trees 30 



Populus deltoides. Sec Cottonwood. 



Potash content of soils of Sfax region IS 



Precipitation, El Paso, Tex., compared with Sfax 15 



Fresno, Cal., compared with Sfax 15 



relation to olive yield 32-34,39 



St. George, Utah, compared with Sfax 15 



San Antonio, Tex., compared with Sfax 15 



San Diego, Cal., compared with Sfax 15 



125 



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LEJa'i 



