The New Encyclopædia Britannica, Volume 19Encyclopædia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 281
In herbaceous species, the growth zones are at or below the soil surface.
Topography. Many grassland regions are characterized by level to gently
undulating topography. Often, however, the land surface is sufliciently irregular to
provide ...
In herbaceous species, the growth zones are at or below the soil surface.
Topography. Many grassland regions are characterized by level to gently
undulating topography. Often, however, the land surface is sufliciently irregular to
provide ...
Page 286
It is generally agreed, however, that the soil microflora (microscopic plants,
including fungi and bacteria) is the single most important group of organisms
affecting the turnover of energy. The biomass of soil microflora has been
estimated to be ...
It is generally agreed, however, that the soil microflora (microscopic plants,
including fungi and bacteria) is the single most important group of organisms
affecting the turnover of energy. The biomass of soil microflora has been
estimated to be ...
Page 878
The importance of surface-soil wash depends on two factors: the frequency of
occurrence and depth of overland flow, and the resistance offered by soil
particles to movement by the flow. In very dry areas, soil wash is small because
overland ...
The importance of surface-soil wash depends on two factors: the frequency of
occurrence and depth of overland flow, and the resistance offered by soil
particles to movement by the flow. In very dry areas, soil wash is small because
overland ...
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Bibliographic information
| Title | The New Encyclopædia Britannica, Volume 19 The New Encyclopædia Britannica |
| Edition | 15 |
| Publisher | Encyclopædia Britannica, 1981 |
| Original from | University of Minnesota |
| Digitized | 15 Jan 2010 |
| ISBN | 085229378X, 9780852293782 |
| Export Citation | BiBTeX EndNote RefMan |