Night Soil

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Night Soil

 

human urine and feces used as an organic fertilizer. Fertilizers derived from night soil contain approximately 7 percent dry matter, including 1.1 percent N, 0.26 percent P205, and 0.22 percent K20. They make up part of the content of domestic sewage. Night soil in the form of poudrette, obtained by processing with chlorine and subsequent drying, is a principal fertilizer for fodder crops, hemp, and potatoes; its use is prohibited for berry and vegetable crops. It is also used in the preparation of composts.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Aborigines were appalled by such Chinese customs as female infanticide, footbinding and night-soil fertilizing, but as the prestige of Chinese culture affected aborigine villages, the men quickly adapted to Chinese dress and introduced various consumer items (beds in one village were an article of display, their owners continuing to sleep amid deerskins on the floor).