| 1851 - 612 páginas
...mineral theory then eagerly adopted was contained in the following axiom of Liebig's : — " The crops in a field diminish or increase in exact proportion to...or increase of the mineral substances conveyed to them in manure." This doctrine received a deathblow from Mr. Lawes's experiments at Hothamstead, in... | |
| Royal Agricultural Society of England - 1863 - 786 páginas
...powers of production, by supplying them with manures rich in nitrogen, or with ammonia salts alone. The crops on a field diminish or increase in exact...the mineral substances conveyed to it in manure." —4th Edition, p. 210 (1847?). " But, at the same time, it is of great importance for agriculture... | |
| Royal Agricultural Society of England - 1856 - 812 páginas
...production, by supplying them with manure rich in nitrogen, or with ammoniacal salts alone. The crops of a field diminish or increase in exact proportion to...increase of the mineral substances conveyed to it in the manure." — p. 211.* For the illustration of this sentence, and that the meaning conveyed by it... | |
| Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1843 - 446 páginas
...powers of production, by supplying them with manures rich in nitrogen, or with ammoniacal salts alone. The crops on a field diminish or increase in exact...of the mineral substances conveyed to it in manure. The formation of the constituents of the blood, and of the vegetable substances containing nitrogen... | |
| United States. Patent Office - 1848 - 840 páginas
...belongs, nitrogenconsuming plants, in contradistinction to the nitrogen-collecting plants. He adds, — "The theory advanced by Liebig, that the crops on...which the practical farmer feels for the science of agiicultural chemistry arises from the errors which have been committed by its professors. They have... | |
| United States. Patent Office - 1849 - 1058 páginas
...require, only mineral matter from the soil; or, as Liebig stated it, "the crops on- a field diminish pr increase in exact proportion to the diminution or...the mineral substances conveyed to it in manure." This view, contrary as it was to old experience, obtained general acceptation; and Professor Johnston... | |
| Royal Agricultural Society of England - 1851 - 722 páginas
...to be found at page 211 of the third edition of his work on Agricultural Chemistry, where he says " The crops on a field diminish or increase in exact...the mineral substances conveyed to it in manure." It will be easily conceived, therefore, that it was with much interest that we turned to those pages... | |
| 1851 - 606 páginas
...mineral theory then eagerly adopted was contained in the following axiom of Liebig's :— " The crops in field diminish or increase in exact proportion to...Or increase of the mineral substances conveyed to them in manure." This doctrine received a deathblow from Mr. Lawes's experiments at Rothamstead, in... | |
| 1851 - 686 páginas
...mineral theory then eagerly adopte:! wns contained in the following a-xiom of Lama : — "The crops in a field diminish or increase in exact proportion to the diminution or increase of the mineral subsances conveyed to them in manure." This doctrine received its death-blow from Mr. LAWKS' experiments... | |
| Andrew Ure - 1853 - 1034 páginas
...be found at page 21 1. of the third edition of his work on Agricultural Chemistry ; where he says " the crops on a field diminish or increase in exact...the mineral substances conveyed to it in manure." Of the Tast importance, both in a scientific and a practical point of view, of correct ideas on the... | |
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