Agricultural Bacteriology
Agricultural Bacteriology
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In our eReader you can find the full English version of the book. Read Agricultural Bacteriology Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Agricultural Bacteriology
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At this time Winogradsky made a decided improvement in the separation of the nitrifying organism from solutions by use of the Kuhne gelatin silica medium. The nutrient basis of this medium as used by Winogradsky was composed of ammonium sulphate, 0. 41 grams; magnesium sulphate, 0. 05 grams; potassium phosphate, 0. 1 gram; sodium carbonate, 0. 6-0. 9 gram; calcium chlorid, a trace; and water, 100 c. C.
The inoculation of the plates took place either by mixing the inoculating material with the a...bove solution before the addition of gelatinous silica, or it was made as a streak or smear culture on the already hardened material. In this way the nitrifying organisms developed distinct colonies from which pure cultures were obtained.
The investigations of Winogradsky and simultaneously of War- ington showed the following: (1) That in the soil the nitrifying process was effected by two distinct but closely related organisms, the one converting ammonia into nitrous acid and nitrite and the other changing the nitrites into nitrates.
What to read after Agricultural Bacteriology?
You can find similar books in the "Read Also" column, or choose other free books by J E Joseph Eames Greaves to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
At this time Winogradsky made a decided improvement in the separation of the nitrifying organism from solutions by use of the Kuhne gelatin silica medium. The nutrient basis of this medium as used by Winogradsky was composed of ammonium sulphate, 0. 41 grams; magnesium sulphate, 0. 05 grams; potassium phosphate, 0. 1 gram; sodium carbonate, 0. 6-0. 9 gram; calcium chlorid, a trace; and water, 100 c. C.
The inoculation of the plates took place either by mixing the inoculating material with the a...bove solution before the addition of gelatinous silica, or it was made as a streak or smear culture on the already hardened material. In this way the nitrifying organisms developed distinct colonies from which pure cultures were obtained.
The investigations of Winogradsky and simultaneously of War- ington showed the following: (1) That in the soil the nitrifying process was effected by two distinct but closely related organisms, the one converting ammonia into nitrous acid and nitrite and the other changing the nitrites into nitrates.
What to read after Agricultural Bacteriology?
You can find similar books in the "Read Also" column, or choose other free books by J E Joseph Eames Greaves to read onlineMoreLess
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