The New Encyclopaedia Britannica in 30 VolumesEncyclopaedia britannica Chicago, Encyclopaedia britannica inc Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 1016
Soil microorganisms release sulfur from organic compounds and form inorganic
compounds; hydrogen sulfide, for example, is released into the atmosphere.
Some autotrophic micro-organisms oxidize inorganic forms of sulfur into
elemental ...
Soil microorganisms release sulfur from organic compounds and form inorganic
compounds; hydrogen sulfide, for example, is released into the atmosphere.
Some autotrophic micro-organisms oxidize inorganic forms of sulfur into
elemental ...
Page 1020
Second only to clay in importance as a soil constituent is organic matter, which
contributes significantly to soil absorbing capacity. Roots die continuously,
vegetation and crop residues fall on the soil surface and decay, and the organic ...
Second only to clay in importance as a soil constituent is organic matter, which
contributes significantly to soil absorbing capacity. Roots die continuously,
vegetation and crop residues fall on the soil surface and decay, and the organic ...
Page 1026
Waterlogging is frequent in tundra because of the presence of permafrost,
resulting in the accumulation of organic matter, a prevalence of reducing
conditions and peat formation. Gleisolic and organic (half bog) soils are frequent.
The general ...
Waterlogging is frequent in tundra because of the presence of permafrost,
resulting in the accumulation of organic matter, a prevalence of reducing
conditions and peat formation. Gleisolic and organic (half bog) soils are frequent.
The general ...
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