Results 231 to 240 of about 148,120 (266)
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The microbiology of air-dried cultivated soils.
1932The beneficial effect of the drying of soils upon their fertility has been a recognised fact in agricultural practice for many centuries. Russell, (16., p.p. 343-344), points out that this effect has been brought about, either by the exposure of the soil to the baking heat of the sun -- as in India and in Egypt, (Prescott (15) ), or by deliberate ...
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The microbiological composition of airliner cabin air.
Aviation, space, and environmental medicine, 1995Hundreds of millions of passengers travel on U.S. airliners annually. These large numbers, together with the close proximity required onboard, raise a concern about microbiologic disease transmission in cabin air. Previous air quality surveys generally concentrated on environmental tobacco smoke and particulate matter.
R L, Wick, L A, Irvine
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The Microbiology of the Upper Air
Bulletin of the Torrey Botanical Club, 1943openaire +1 more source
Investigations on the Microbiology of Marine Air
Journal of Marine Research, 1940openaire +1 more source