File:Some profitable and unprofitable coffee lands (1917) (14769976881).jpg

Identifier: someprofit00unit (find matches)
Title: Some profitable and unprofitable coffee lands
Year: 1917 (1910s)
Authors: United States Department of Agriculture, Office of Experiments
Subjects: Coffee. Soils. Puerto Rico.
Publisher: Mayagüez, P.R. : Porto Rico Agricultural Experiment Station
Contributing Library: University of Florida, George A. Smathers Libraries
Digitizing Sponsor: University of Florida, George A. Smathers Libraries with support from LYRASIS and the Sloan Foundation

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accounted for by the close proximity of a giant algarobo tree(Ilijmencea courbaril). Figure 2 shows the height of the trees in November, 1914, plottedas a curve for each treatment given, divisions 1 and 2 being takentogether. These curves fail to show any very material increase in growth produced by cultivation or manuring. They show, however, under all treatments a favorable condition for growth near the valley bottom and on the lower slope, and uncongenial surroundings above. Such growth demonstrates <sfc770a/& / 2 3 ^ & & ~7 that all available space onthe lower slope or near thebrook should be utilizedfor coffee plantings, andthat expensive treatments,such as frequent cultiva-tion and frequent appli-cations of manure on un-favorable upper slopeswill result in financialloss. COLTTMNARIS COFFEEPLANTING. /2&/20//&//O /os /OO&?SO asao U sa\ao / / JT**^ «y/, / 1 * .^^^1 ^7-. * i * i / #* / t / yf / / / • s Y -S3?*?o 3S\302& 20/S JO &o Fig. 2.—Grow

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