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Page 164
This results in the accumulation of undecomposed organic residues in the form of
particles of peat. The poor drainage creates an oxygen-free medium in which the
bluish substance known as gley is formed. Thus, peaty-gley soils are most ...
This results in the accumulation of undecomposed organic residues in the form of
particles of peat. The poor drainage creates an oxygen-free medium in which the
bluish substance known as gley is formed. Thus, peaty-gley soils are most ...
Page 571
The greater the amount of organic matter , the greater is the amount of oxygen
required for its oxidation and , hence , the greater the BOD . This process can be
very disruptive to aquatic life in natural streams and lakes . One of the objectives
in ...
The greater the amount of organic matter , the greater is the amount of oxygen
required for its oxidation and , hence , the greater the BOD . This process can be
very disruptive to aquatic life in natural streams and lakes . One of the objectives
in ...
Page 575
Heterotrophs require an organic form of carbon and, in addition, may require
other organic substances, such as amino acids and vitamins. The autotrophic
sulfur-oxidizing bacteria can grow on powdered sulfur, ammonium sulfate,
potassium ...
Heterotrophs require an organic form of carbon and, in addition, may require
other organic substances, such as amino acids and vitamins. The autotrophic
sulfur-oxidizing bacteria can grow on powdered sulfur, ammonium sulfate,
potassium ...
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User Review - keylawk - LibraryThingThis is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review
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