"Porosity" Quotes from Famous Books
 ... size, but their fibre too, filled full of moisture, is swollen and distended with abundance of liquid. When they lose their vitality after being felled and hewn, the fibre retains its stiffness, and the trees as they dry become hollow and frail on account of their porosity, and hence cannot ...
— Ten Books on Architecture • Vitruvius
... a soil unfit for the production of trees. If too much clay is present the soil becomes "stiff." If too much vegetable matter is present, the soil becomes "sour." The physical character of the soil is also important. By physical character is meant the porosity which results from breaking up the soil. This is accomplished by ploughing or cultivation. In nature, worms help to do this for the soil, but on streets an occasional digging up of the soil about the base of the ...
— Studies of Trees • Jacob Joshua Levison
... above it will be seen that these soils, while possessing a large amount of matter available for plant growth, are exceedingly friable, and would be very easily worked. They would absorb heat quickly, and from their porosity would require little drainage, and so would be both warm and dry soils, and form fertile land suitable for almost all kinds of agricultural and ...
— A start in life • C. F. Dowsett |
