The book The Cultivation of Hevea a Manual for the Planter was written by author P J S Pieter Johannes Samuel Cramer Here you can read free online of The Cultivation of Hevea a Manual for the Planter book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Cultivation of Hevea a Manual for the Planter a good or bad book?
What reading level is The Cultivation of Hevea a Manual for the Planter book?
To quickly assess the difficulty of the text, read a short excerpt:
The consequence is, that the production of latex ceases sooner or later, and the tree becomes stripped. The full spiral system has conse- 77 quently been practically abandoned in the Malay Penin- sula. The only case where this method is of value is when it is intended to kill trees in a plantation by tapping in order to thin them out. (See fig. 280). FIGURE 2?. Sketch showing tapping systems. V cut. d. Full Herringbone. 2. Half spiral. With this system the tapping- surface is divided into two h...alves only one of which is tapped. Accordingly 78 the cut covers half the surface, and leaves the other half to maintain the connection of the crown with the root. Often several cuts are made, one above the other, FIGURE 28. Sketch showing tapping systems. e. Herringbone. f. Two Half Herringbones. and along the lower ends of the cut, a groove is made, ending in a drip -tin. One advantage of the half spiral is, that the cut runs to one side, and that therefore the tapper does not need to change the position of his knife, hand or arm.
You can download books for free in various formats, such as epub, pdf, azw, mobi, txt and others on book networks site. Additionally, the entire text is available for online reading through our e-reader. Our site is not responsible for the performance of third-party products (sites).
User Reviews: