The problem of the control of hookworm infection in South China differs in so many essentials from the same problem in America and in other Western countries that its solution will require long planning by specialists and a persistently carried out program of practical endeavor. In many of the American states, the carelessly built latrine, or its total absence, has made soil pollution frequent. In India, in the rural districts, human excrement is deposited directly on the soil, but without any organized system of using it for fertilizer. In South China, however, it is the custom to collect it in earthen jars and to ladle it out from these into buckets to be hurried out to the fields and gardens for fertilizer. Each farmer or gardener has a little cesspool into which the bucket contents are poured for storage. Fertilization is not limited to manuring the ground, but, especially in
HUME EH. HOOKWORM CONTROL IN SOUTH CHINABASED ON A PRELIMINARY STUDY OF THE INCIDENCE OF HOOKWORM INFECTION IN HUNAN PROVINCE, CHINA. JAMA. 1917;LXVIII(25):1888–1892. doi:10.1001/jama.1917.04270060296004
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