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Summary of Epidemiological Studies
Composting and Associated Studies
The Cost of Fertilizer Production by Composting
2 other sections not shown
aerobic composting agricultural efficiency Agricultural Sanitation ammonium sulphate amoebae amoebiasis analysis ascariasis ascaris eggs Ascaris lumbricoides ashes average C/N ratio cent Cheeloo University chin of nitrogen city waste compost heaps conservation of nitrogen cow manure crop determined duplicate stacks Edelmist excrement Experiment 29 Experiment 30 factors farm materials fecal material fecal-borne diseases feces cake manufacture feces cakes feces-straw field tests fly breeding fly control fly population garbage histolytica horse manure human feces incubated Kaoliang latrine layer lignin loss of nitrogen mean megacephala months nitrification nitrogen conservation nitrogen loss nitrogen present North China North China cities number of flies organic matter pen-latrine percent percentage phosphorus pig manure pig-pen-latrine pollution preliminary experiments problem rural samples screen Shantung soil compost solid feces species station storage straw street waste Table temperature thio tion trapping rate Tsinan turn urine vegetable matter vicina village unit Yenching YENCHING UNIVERSITIES