The book Rubber Its Sources Cultivation And Preparation was written by author Harold Brown Here you can read free online of Rubber Its Sources Cultivation And Preparation book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Rubber Its Sources Cultivation And Preparation a good or bad book?
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With an average annual rainfall of 60 in. And a mean temperature of 73 F. , the difference between the day and night temperature being about 30 F. In Nyasaland, Ceara trees do not give satisfactory results if grown on light, sandy soils, with a rainfall of under 40 in. Per annum, unless the trees are planted along streams or on alluvial flats near a river where the roots can reach water. A moderately humid climate has been found to be advantageous to the growth of the trees and also to their su...rvival on tapping. In order to obtain remunerative yields of rubber from Ceara trees in Nyasaland they must be grown on rich soil with a heavy rainfall, and these conditions are only obtained in certain districts. The Ceara tree can, therefore, only be cultivated successfully in parts of the Protectorate. In the East Africa Protectorate, Ceara trees have been principally planted in the coastal districts where the rainfall varies from 45 to 70 in. Per annum and the tem- perature from 70 to 88 F. A well-drained, fairly rich loamy soil, in a somewhat sheltered position is preferred for the plantations.
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