| John Claudius Loudon - 1822 - 1494 páginas
...evaporation may proceed without obstruction. These are commonly attained by the presence of sand (silex). As alumina possesses all the properties of adhesiveness...those of friability, it is obvious that a mixture of those two earths, in suitable proportions, would furnish every thing wanted to form the most perfect... | |
| John Claudius Loudon - 1825 - 1250 páginas
...much as 1 9 pans out of 20 of any of these constituents. 21 CO. A certain degree of friability от looseness of texture is also required in soils, in...those of friability, it is obvious that a mixture of those two earths, in suitable proportions, would furnish every thing wanted to form the most perfect... | |
| John Claudius Loudon - 1826 - 1252 páginas
...no soil is fertile that contains as much as 19 parts out of 20 of any of these constituents. 2100. A certain degree of friability or looseness of texture...those of friability, it is obvious that a mixture of those two earths, in suitable proportion?, would furnish every thing wanted to form the most perfect... | |
| John S. Skinner - 1827 - 434 páginas
...of supporting healthy vegetation; and no soil is fertile that contains as much as 19 parts out of 20 of any of these constituents. A certain degree of...those of friability, it is obvious that a mixture of those two earths, in suitable proportions, would furnish every thing wanted to form the most perfect... | |
| Sir Henry Steuart - 1828 - 536 páginas
...by the presence of sand. As alumina possesses, in an eminent degree, all the powers of adhesiveness, and silex those of friability, it is obvious, that a mixture of those earths, in suitable proportions, would furnish everything that could be wanted in the most perfect... | |
| Sir Henry STEUART - 1828 - 606 páginas
...by the presence of sand. As alumina possesses, in an eminent degree, all the powers of adhesiveness, and silex those of friability, it is obvious, that a mixture of those earths in suitable proportions, would furnish every thing that could be wanted in the most perfect... | |
| John Claudius Loudon - 1831 - 1330 páginas
...proceed without obstruction. These are commonly attained by the présence of sand. As alumina }.o /.esses all the properties of adhesiveness in an eminent degree,...two earths, in suitable proportions, would furnish every thing wanted to form the most perfect soil, as to water and the operations of culture. In a soil... | |
| Sir Henry Steuart - 1832 - 444 páginas
...by the presence of sand. As alumina possesses, in an eminent degree, all the powers of adhesiveness, and silex those of friability, it is obvious, that a mixture of those earths in suitable proportions, would furnish every thing that could be wanted in the most perfect... | |
| John Claudius Loudon - 1835 - 1326 páginas
...to them, and thai evaporation may proceed without obstruction. These aré commonly attained by u>e presence of sand. As alumina possesses all the properties...two earths, in suitable proportions, would furnish every thing wanted to form the most perfect soil, *j to water and the operations of culture. In a soil... | |
| Sir Joseph Paxton - 1838 - 388 páginas
...roots, that heat may readily be conveyed to them, and evaporation may proceed without obstruction." " As alumina possesses all the properties of adhesiveness...those of friability, it is obvious that a mixture of those two earths, in suitable proportions, would furnish every thing wanted to form the most perfect... | |
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