The rubber tree book . ly in large masses. Where hillsides are very rocky. 240 THE RUBBER TREE BOOK as is frequently the case in Ceylon, their construction is almostan impossibility. In such cases terracing—although the first outlay is ex-pensive—is a much better solution of the difficulty. Whereno stones are available, as in Sumatra, belts of guinea-grassare often employed to prevent wash. These cost little—likepoliteness—and, like it, are worth much. The cost of these -> Hevea Tree. Hetaininc Drains Fig. 65.—Diagram of Water-pits for Retaining Soil-wash. on a well-known Java estate has be
The rubber tree book . ly in large masses. Where hillsides are very rocky. 240 THE RUBBER TREE BOOK as is frequently the case in Ceylon, their construction is almostan impossibility. In such cases terracing—although the first outlay is ex-pensive—is a much better solution of the difficulty. Whereno stones are available, as in Sumatra, belts of guinea-grassare often employed to prevent wash. These cost little—likepoliteness—and, like it, are worth much. The cost of these -> Hevea Tree. Hetaininc Drains Fig. 65.—Diagram of Water-pits for Retaining Soil-wash. on a well-known Java estate has been found in practice to befrom one shilling and sixpence to two shillings per acre. When the Heveas have reached a more advanced age theirroots, well spread throughout the soil, assist in binding it to-gether, but for some years breakwaters of some kind are indis-pensable on hilly land. While methods may have to vary in different countries andunder different conditions, it is clear that in all cases effective. Fig. 66.—View of Contour-draining to Prevent Soil-wash.
Size: 1939px × 1289px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidrubbertreebo, bookyear1913
