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as internodes. The internodes ripen from the roots upward, and as each ripens it casts its leaves. The stalk, when ready for harvesting, has only a few leaves on the top. [Illustration: Fig. 214. STICK OF SUGAR-CANE _A_, buds, or eyes; _C_, nodes; _D_, internodes; _X_, semi-transparent dots in rows] Under each leaf and on alternate sides of the cane a bud, or "eye," forms. From this eye the cane is usually propagated; for, while in tropical countries the cane forms seeds, yet these seeds are rarely fertile. When the cane is ripe it is stripped of leaves, topped, and cut at the ground with a knife. The sugar is contained in solution in the pith of the cane. Cane requires an enormous amount of water for its best growth, and where the rainfall is not great enough, the plants are irrigated. It requires from seventy-five to one hundred gallons of water to make a pound of sugar. Cane does best where there is a rainfall of two inches a week. At the same time a well-drained soil is necessary to make vigorous canes. The soils suited to this plant are those which contain large amounts of fertilizing material and which can hold much water. In southern Louisiana alluvial loams and loamy clay soils are cultivated. In Georgia, Alabama, and Florida light, sandy soils, when properly fertilized and worked, make good crops. [Illustration: FIG. 215. PLANTING SUGAR-CANE] [Illustration: FIG. 216. LOADING SUGAR-CANE] Cane is usually planted in rows from five to six feet apart. A trench is opened in the center of the row with a plow and in this open furrow is placed a continuous line of stalks which are carefully covered with plow, cultivator, or hoe. From one to three continuous lines of stalks are placed in the furrow. From two to six tons of seed cane are needed for an acre. In favorable weather the cane soon sprouts and cultivation begins. Cane should be cultivated at short intervals until the plants are large enough to shade the soil. In Louisiana one planting of cane usually gives two crops. The first is called plant cane; the second is known as first-year stubble, or ratoon. Sometimes second-year stubble is grown. [Illustration: FIG. 217. A COMMON TYPE OF SIRUP FACTORY] In Louisiana large quantities of tankage, cotton-seed meal, and acid phosphate are used to fertilize cane-fields. Each country has its own time for planting and harvesting. In Louisiana, for example, canes are planted from October to April. In the Un
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