Textbook of Theoretical Botany, Volume 4 |
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Page 3581
... soil mantle remains continuous , though its constituent materials change . In other words , soil formation and rock erosion may be integrated into one process in equilibrium . The soil mantle may thus last as long as that particular ...
... soil mantle remains continuous , though its constituent materials change . In other words , soil formation and rock erosion may be integrated into one process in equilibrium . The soil mantle may thus last as long as that particular ...
Page 3593
... soil of a characteristic and highly significant profile , which reveals the history of the soil's development and on which the discrimination of soil types is largely based . The profile is principally due to the percolation of water ...
... soil of a characteristic and highly significant profile , which reveals the history of the soil's development and on which the discrimination of soil types is largely based . The profile is principally due to the percolation of water ...
Page 3655
... soil Phosphorus by chelating the Fe and Al and thus counteracting its fixation by these ions . The whole history of phosphate in the soil is very complex and the balance between the various conditions of its occurrence is in a dynamic ...
... soil Phosphorus by chelating the Fe and Al and thus counteracting its fixation by these ions . The whole history of phosphate in the soil is very complex and the balance between the various conditions of its occurrence is in a dynamic ...
Contents
A RETROSPECT OF ECOLOGY | 3317 |
SCOPE AND Objectives of ECOLOGY | 3333 |
CONCEPTS USED IN ECOLOGY | 3340 |
Copyright | |
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acid Africa algae alpine America amount analysis Angiosperms Antarctica Arctic association biotypes Calluna carbonate cent centre changes climate colloids competition complex continental Cretaceous density depth diploid dispersal distribution dominant ecological ecotypes edaphic effect endemic environment epilimnion Europe example factors families flora floristic floristic provinces forest frequency genera genetic genus geographical geological grassland growth habitat halophytes humidity humus hypolimnion important increase individuals lakes latitude layer limited lower metres migration mineral montane mountains mycorrhiza natural North America northern number of species occur oceanic organic origin peat period phosphate photosynthesis physiognomy plankton plant communities Plant Geography podsols polyploidy population quadrats radiation rainfall region relationships relatively relict roots salinity sample season seeds soil South surface taxonomic temperate temperature tion trees Tropic of Cancer Tropic of Capricorn tropical units variation vegetation wide zone