Fundamentals of Soil PhysicsElsevier Science, 1980 M07 28 - 413 pages This book is not, in any case, in total defiance of the Wise Old Man's admonition, for it is not an entirely new book. Rather, it is an outgrowth of a previous treatise, written a decade ago, entitled "Soil and Water: Physical Principles and Processes." Though that book was well enough received at the time, the passage of the years has inevitably made it necessary to either revise and update the same book, or to supplant it with a fresh approach in the form of a new book which might incorporate still-pertient aspects of its predecessor without necessarily being limited to the older book's format or point of view. |
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Results 1-3 of 77
Page 136
... greater than atmospheric , the potential of soil water ( in the absence of osmotic effects ) is greater than that of the refer- ence state and therefore can be considered positive . In an unsaturated soil , the water is constrained by ...
... greater than atmospheric , the potential of soil water ( in the absence of osmotic effects ) is greater than that of the refer- ence state and therefore can be considered positive . In an unsaturated soil , the water is constrained by ...
Page 181
... greater amount the smaller the pressure of the gas . Consequently , if the permeability to gas is deter- mined at increasingly greater pressures , the permeability will be increasingly small . If a plot of k versus 1 / P is made , the ...
... greater amount the smaller the pressure of the gas . Consequently , if the permeability to gas is deter- mined at increasingly greater pressures , the permeability will be increasingly small . If a plot of k versus 1 / P is made , the ...
Page 280
... greater availability of undecomposed organic residues in spring than in autumn . Soil respiration is obviously much greater in cropped than in fallow land , owing both to root respiration and to the enhanced microbial activity resulting ...
... greater availability of undecomposed organic residues in spring than in autumn . Soil respiration is obviously much greater in cropped than in fallow land , owing both to root respiration and to the enhanced microbial activity resulting ...
Contents
The Task of Soil Physics | 3 |
StressStrain Relations and Soil Strength | 13 |
Properties of Water in Relation to Porous Media | 21 |
Copyright | |
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adsorbed adsorption aeration aggregates air-filled atmosphere bulk density calculated capillary cations clay cm³ coefficient compaction compression concentration constant contact angle convective curve Darcy's law decrease depends depth diameter diffusion dispersion distribution drainage effect energy equation equilibrium exchange flow fluid flux force fraction gm/cm³ gravitational heat hence hydration hydraulic conductivity hydraulic head hydrogen hydrogen bonds hydrostatic pressure increase ions irrigation kaolinite mass wetness matric suction measurement membrane method minerals montmorillonite neutrons obtain osmotic oxygen particles permeability phase pores porosity porous potential processes properties radius ratio relative root zone salt sample sand saturated shearing silt soil air soil moisture soil physics soil profile soil solution soil structure soil surface soil water soil wetness soil-water soil's solid specific surface stress swelling temperature tensiometer thermal tion tube unit unsaturated soil values vapor pressure velocity viscosity volume wetness volumetric wetness water content water molecules