THE EFFECT OF SONIC VIBRATION ON THE BACTERIAL PLATE COUNT OF SOIL

THE EFFECT OF SONIC VIBRATION ON THE BACTERIAL PLATE COUNT OF SOIL

Treating the first dilution of a soil-plating series to high-frequency vibrations resulted in initial increases in the numbers of bacteria, actinomycetes and fungi appearing on plates. Maximum numbers of bacteria were recorded after four-minutes sonic vibration. Further treatment resulted in a rapid...

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Veröffentlicht in:Plant and soil 1958-09, Vol.10 (1), p.1-8
1. Verfasser: STEVENSON, I. L.
Format: Artikel
Sprache:eng
Schlagworte:
Agricultural site preparation
Agricultural soils
Bacteria
Fungi
Soil bacteria
Soil fungi
Soil microorganisms
Soil science
Soil treatment
Vibration
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Zusammenfassung:Treating the first dilution of a soil-plating series to high-frequency vibrations resulted in initial increases in the numbers of bacteria, actinomycetes and fungi appearing on plates. Maximum numbers of bacteria were recorded after four-minutes sonic vibration. Further treatment resulted in a rapid decline in numbers. The nutritional classification of isolates from sonic and non-sonic treated soils indicated marked changes in the ratios between the nutritional groups after four-and ten-minutes' vibration.
ISSN:0032-079X
1573-5036
DOI:10.1007/bf01343733