 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1843 - 446 Seiten
...excrements of the horse and of the cow yield conclusive proof of the nature of the salts contained in them. In the solid and liquid excrements of man and of animals,...equilibrium which had been disturbed. Now that we know Brought forward— Phosphate, &c. &c. . . 100 Sulphate of soda . . -i „ potash . I 8 Phosphate of... | |
 | Philip Lovell Phillips - 1845 - 126 Seiten
...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...indispensable to the growth of cultivated plants." According to the above view, a knowledge of the constituents of the ashes of food and fodder gives... | |
 | Robert Morris Copeland - 1859 - 876 Seiten
...ashes of the plants which served to nourish these animals ; these ashes consist of certain soluble and insoluble earths, which a fertile soil must yield, for they are indisjiensable to the growth of cultivated plants ;" and farther : " the action of an artificial supply... | |
 | Manchester Literary and Philosophical Society - 1860 - 404 Seiten
...ingredients of the soil are removed by a sheep, by an ox, or in the milk of a cow, or how much we convey from it in a bushel of barley, wheat, or potatoes....to a new crop, or, in other words, we reinstate the equilibrinm which had been disturbed. Now that we know that the constituents of the food pass over... | |
 | Robert Morris Copeland - 1866 - 944 Seiten
...the ashes of the plants which served to nourish these animals; these ashes consist of certain soluble and insoluble earths, which a fertile soil must yield,...are indispensable to the growth of cultivated plants ;" and farther: " the action of an artificial supply of ammonia, as nitrogen, is limited, like that... | |
 | Robert Morris Copeland - 1866 - 1010 Seiten
...as/ies of the plants which served to nourish these animals; these ashes consist of certain soluble and insoluble earths, which a fertile soil must yield,...indispensable to the growth of cultivated plants;" and farther: "the action of an artificial supply of ammonia, as nitrogen, is limited, like that of... | |
 | James Prescott Joule - 1884 - 706 Seiten
...ashes consist of certain soluble salts and insoluble earths which a fertile soil must yield, for thuy are indispensable to the growth of cultivated plants....food to a new crop, or, in other words, we reinstate equilibrium which had been disturbed. Now that we know that the constituents of the food pass over... | |
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... 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 plants which served to nourish these animals. These ashes consist of certain soluble salts and insoluble... 