. Dry-land olive culture in northern Africa . of the Chemlaly olive, natural size, from a pho-tograph by M. Minangoin. The fruits of this variety are small but numer-ous and are very rich in oil. They are jet black when ripe. Plate IV, Fig. 1.—Recently planted dry-land olive orchards about twenty milesfrom Sfax. The view shows the careful alignment and wide spacing of thetrees, which are 80 feet apart each way and number only 7 to the of the trees shown are from ten to twelve years old. The hillsidein the immediate foreground and that in the left background are unfit forplanting to o
. Dry-land olive culture in northern Africa . of the Chemlaly olive, natural size, from a pho-tograph by M. Minangoin. The fruits of this variety are small but numer-ous and are very rich in oil. They are jet black when ripe. Plate IV, Fig. 1.—Recently planted dry-land olive orchards about twenty milesfrom Sfax. The view shows the careful alignment and wide spacing of thetrees, which are 80 feet apart each way and number only 7 to the of the trees shown are from ten to twelve years old. The hillsidein the immediate foreground and that in the left background are unfit forplanting to olives because of the absence of soil, a calcareous rock comingto the surface at these points. Fig. 2.—The interior of an older oliveorchard at Sfax, showing the entire absence of weeds, the great distancebetween the trees, and the well-rounded symmetrical form of the treesdue to scientific pruning. These trees are about thirty years old and arein full Bui. 125, Bureau of Plant Industry, U. S. Dept. of Agriculture. Plate Bui. 1 25, Bureau of Plant Industry, U. S. Dept. of Agriculture. Plate III.
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