Abstract
AN ACCOUNT of a valuable experiment in the feeding of schoolboys on vegetables and fruit grown from soil manured exclusively by humus is published by Dr. G. B. Chapman, of the Physical and Mental Welfare Society of New Zealand, Incorporated (Burnock Publications, Auckland, 1939). The locale of the experiment is the Mount Albert Grammar School hostel, the subjects being some sixty boys, teachers and staff. At the time of the inception of the experiment (1936), the dietary at the hostel was liberal, being well above the customary standard for boarding-schools; yet the boys consistently suffered (as was the case in other New Zealand schools and institutions) from colds, catarrh, septic tonsils, epidemics of influenza, dental caries and other preventable complaints. The whole of New Zealand's food supplies are grown from soils manured by the ordinary chemical fertilizers.
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DALDY, Y. Food Production Without Artificial Fertilizers. Nature 145, 905–906 (1940). https://doi.org/10.1038/145905a0
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DOI: https://doi.org/10.1038/145905a0