. Some profitable and unprofitable coffee lands . OkJ SO- /Ujot I 1 \J - Fig. 1.—Growth of Mocha coffee trees as affected by posi-tion on slope. The heavy lines show growth to Novem-ber, 1911; the light lines to November, 1913. Theelevation declines from left to right in each division. il. 21, Porto Rico Agr. Expt. Station Plate Fiq. 1.—Mocha Coffee on Upper Slope, Check Trees (Division 2, Section 3).someprofit00unit

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