USEFUL CASTOR BEAN
Substitution of castor oil for the tung oil from the Orient is but one of the causes stimulating growth of the castor bean in the United States. The stalk of the bean has been found to contain a fibre that may prove valuable. The inner stalk can be fabricated into a cellulose material more absorbent than cotton. Some poisonous element in the plant is deadly to grasshoppers and may be isolated as an insecticide, leaving a residue possibly suitable for stock feed. The protein remaining after the oil is removed from the beans can be made into plastics, and is good for fertiliser. Castor oil blended with petroleum is a highly regarded motor-car lubricant.
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https://paperspast.natlib.govt.nz/newspapers/EP19381229.2.161
Bibliographic details
Evening Post, Volume CXXVI, Issue 155, 29 December 1938, Page 16
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117USEFUL CASTOR BEAN Evening Post, Volume CXXVI, Issue 155, 29 December 1938, Page 16
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