The Rubber Industry in the Territories of Manica And Sofala
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31).
At Zoa in the Shire Highlands of the Nyasaland Protectorate four trees, 10 to 12 years of age, were tapped three times, and yielded an average of 155 grammes (5'5 oz. ) of dry rubber per tree, but this experiment was not completed (Journal d 'Agriculture Tropicale, No. 41, 1904, pp. 330-1).
At Lewa in German East Africa 4, 000 trees, 5 years of age, were tapped three times in 1903, and gave an average of 125 grammes (4-4 oz. ) of rubber per tree Journal d' Agriculture Tropicale, No. 34, 19...04, p. 126).
19 Eight-year-old trees in Quelimane, Portuguese East Africa, were tapped in 1902, and the maximum yield per tree was only 60 grammes (2-1 oz. ) (Journal d' Agriculture Tropicale, No. 17, 1902, p. 343).
It was concluded, from an experimental tapping conducted on mature trees in Natal, that the value of the rubber obtained did not com- pensate for the cost of collection (Profitable Agricultural Industries, by J. Medley-Wood, p. 3. Reprinted from the Natal Agricultural Journal).
A tree 8 or 9 years of age in Inhambane, Portuguese East Africa, tapped in 1901, is reported to have given 260 grammes (9*2 oz.
What to read after The Rubber Industry in the Territories of Manica And Sofala?
You can find similar books in the "Read Also" column, or choose other free books by W H Johnson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
31).
At Zoa in the Shire Highlands of the Nyasaland Protectorate four trees, 10 to 12 years of age, were tapped three times, and yielded an average of 155 grammes (5'5 oz. ) of dry rubber per tree, but this experiment was not completed (Journal d 'Agriculture Tropicale, No. 41, 1904, pp. 330-1).
At Lewa in German East Africa 4, 000 trees, 5 years of age, were tapped three times in 1903, and gave an average of 125 grammes (4-4 oz. ) of rubber per tree Journal d' Agriculture Tropicale, No. 34, 19...04, p. 126).
19 Eight-year-old trees in Quelimane, Portuguese East Africa, were tapped in 1902, and the maximum yield per tree was only 60 grammes (2-1 oz. ) (Journal d' Agriculture Tropicale, No. 17, 1902, p. 343).
It was concluded, from an experimental tapping conducted on mature trees in Natal, that the value of the rubber obtained did not com- pensate for the cost of collection (Profitable Agricultural Industries, by J. Medley-Wood, p. 3. Reprinted from the Natal Agricultural Journal).
A tree 8 or 9 years of age in Inhambane, Portuguese East Africa, tapped in 1901, is reported to have given 260 grammes (9*2 oz.
What to read after The Rubber Industry in the Territories of Manica And Sofala?
You can find similar books in the "Read Also" column, or choose other free books by W H Johnson to read onlineMoreLess
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