 In fact, by means of ammonia we can not only stimulate vegetation, but, further, we can modify its course, delay the action of certain functions, or enlarge the development and the modification of certain organs. The author further remarks, that if its...  The Year-book of Facts in Science and Art - Seite 186herausgegeben von - 1854Vollansicht - Über dieses Buch
 | 1855 - 424 Seiten
...the flowering season of the plants, it produces no disturbance ; they follow the ordinary course of vegetation. If its use be commenced at the time of...flowering takes place, all the flowers are barren. ON THE CULTIVATION, USES, AND ANALYSES OF MADDER. The following communication, addressed to Dr. AA... | |
 | 1853 - 538 Seiten
...variable, which depend upon particular conditions, but which are equally worthy of interest. In fact, hy means of ammonia we can not only stimulate vegetation,...and if the flowering takes place all the flowers are barren.—Proc. Rog. Soc. May 26, 1853. On the Prioritg of the Discoverg of the Mode of Action of the... | |
 | 1853 - 438 Seiten
...are periods to be selected for the employment of ammonia, during which this gas produces dift'erent effects. If we commence its use when several months...covers itself with leaves, and if the flowering takes places all the flowers are barren.— (Proceedings of the Royal Society of London.') MISCELLANEOUS.... | |
 | 1853 - 396 Seiten
...the employment of ammonia, during which this gas produces different effects. If we commence its nse when several months intervene before the flowering...delayed. The plant covers itself with leaves, and if the (lowering takes places all the flowers are barren, — (Proceedings of the Royal Society of London.)... | |
 | Charles W. Vincent, James Mason - 1854 - 352 Seiten
...leaves, which at first •were of a pale green, assume a deeper and deeper tint, and for a time hecome almost black ; their petals are long and upright,...in the library of the Society. ON THE IDENTITY OP A COLOURING MATTER PRESENT IN SEVERAL ANIMALS WITH THE CHLOROPHYLE OF PLANTS. M. MAX SCHULTZE, of Greifswald,... | |
 | Royal Society (Great Britain) - 1854 - 438 Seiten
...manifests itself with a continually increasing intensity. The leaves, which at first were of a pale-green, assume a deeper and deeper tint, and for a time become...flowering takes place all the flowers are barren. 3. " An Account of Meteorological Observations in four Balloon Ascents made under the direction of... | |
 | Royal Society (Great Britain) - 1854 - 436 Seiten
...were conducted, he adduces the results of these experiments in proof of the above conclusions. 308 short, when vegetation has arrived at its proper period...flowering takes place all the flowers are barren. 3. " An Account of Meteorological Observations in four Balloon Ascents made under the direction of... | |
 | Royal Society (Great Britain) - 1854 - 450 Seiten
...remarks, that if its use be ill-directed, it may cause accidents. Those which have occurred in the conrse of his experiments appear to him to throw an unexpected...flowering takes place all the flowers are barren. 3. " An Account of Meteorological Observations in four Balloon Ascents made under the direction of... | |
 | 1855 - 424 Seiten
...the flowering season of the plants, it produces no disturbance ; they follow the ordinary course of vegetation. If its use be commenced at the time of...flowering takes place, all the flowers are barren. ON THE CULTIVATION, USES, AND ANALYSES OF MADDER. The following communication, addressed to Dr. AA... | |
 | 1855 - 424 Seiten
...the flowering season of the plants, it produces no disturbance ; they follow the ordinary course of vegetation. If its use be commenced at the time of...flowering takes place, all the flowers are barren. ON THE CULTIVATION, USES, AND ANALYSES OF MADDER. The following communication, addressed to Dr. AA... | |
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