 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1843 - 446 páginas
...proof of the nature of the salts contained in them. In the solid and liquid excrements of man and of animals, WE RESTORE TO OUR FIELDS THE ASHES OF THE...these animals. These ashes consist of certain soluble salts and insoluble earths, which a fertile soil must yield, for they are indispensable to the growth... | |
 | Philip Lovell Phillips - 1845 - 126 páginas
...oft-quoted authorities; and first, hear Liebig: — " In the solid and liquid excrements of man, and of animals, we restore to our fields the ashes of the plants which served to nourish them. These ashes consist of certain soluble salts and insoluble earths which a fertile soil must yield,... | |
 | 1860 - 416 páginas
...it has sustained." Again, in page 181, he says : " In the solid and liquid excrements of man and of animals, we restore to our fields the ashes of the...these animals. These ashes consist of certain soluble salts and insoluble earths which a fertile soil must yield, for they are indispensable to the growth... | |
 | Manchester Literary and Philosophical Society - 1860 - 404 páginas
...it has sustained." Again, in page 181, he says : " In the solid and liquid excrements of man and of animals, we restore to our fields the ashes of the...these animals. These ashes consist of certain soluble salts and insoluble earths which a fertile soil must yield, for they are indispensable to the growth... | |
 | Robert Morris Copeland - 1866 - 1010 páginas
...the supply of certain substances, which were original constituents of the same surfaco of the soil, and had been removed from it by means of plants."...excrements of men and animals, we restore to our fields the as/ies of the plants which served to nourish these animals; these ashes consist of certain soluble... | |
 | Massachusetts. State Board of Agriculture - 1878 - 648 páginas
...the liquid and solid excrements of man and animals. We are told, that, in the application of these, "we restore to our fields the ashes of the plants which served to nourish these animals ;" that these ashes consist of certain soluble salts and insoluble earths, which a fertile soil must... | |
 | James Prescott Joule - 1884 - 706 páginas
...181, he says : — " In the solid and liquid excrements of man and of animals we restore to our field the ashes of the plants which served to nourish these animals. These ashes consist of certain soluble salts and insoluble earths which a fertile soil must yield, for thuy are indispensable to the growth... | |
| |
Again, in page 181, he says : " In the solid and liquid excrements of man and of animals, we restore to our fields the ashes of the plants which served to nourish these animals. These ashes consist of certain soluble salts and insoluble earths which a... 