 | 1815 - 438 Seiten
...in plants, or are found in such minute quantities, that it can never be an object to apply them to the soil. It was stated in the beginning of this Lecture,...remain undestructible, and can be traced undiminished ill quantity, through their diversified combinations. / Portalffe Portable Corn Mill for Family Use.... | |
 | Sir Humphry Davy, George Sinclair, John Russell Duke of Bedford - 1815 - 452 Seiten
...quantities, that it can never be an object • to apply them to the soil. It was stated in the beginB. 2 ning of this Lecture, that the earthy and alkaline substances...quantity, through their diversified combinations. LECTURE V11I. On the Improvement of Lands by Burning; chemical Principles of this Operation, On Irrigation... | |
 | John Claudius Loudon - 1822 - 1494 Seiten
...The earthy and alkaline substances seem never to be formed in vegetation ; and there is every reason to believe, that they are never decomposed; for, after being absorbed, they arc found in their ashes. " The metallic bases of them cannot exist in contact with aqueous fluids... | |
 | John Claudius Loudon - 1825 - 1250 Seiten
...The earthy and alkaline substances seem never to be formed in vegetation ; and there is every reason to believe, that they are never decomposed ; for,...other forms of matter by artificial processes ; they combined readily with other elements ; but they remain indestructible, and can be traced undiminished... | |
 | John Claudius Loudon - 1831 - 1330 Seiten
...The earthy and alkaline substances seem never to be formed in vegetation ; and there is every reason to believe that they are never decomposed ; for, after being absorbed, they are found in the ashes. The metallic bases of them cannot exist in contact with aqueous fluids ; and these metallic... | |
 | John Claudius Loudon - 1835 - 1326 Seiten
...and alkaline substances seem never to be formed in vegetation ; and there is every reason to belie™ that they are never decomposed ; for, after being absorbed, they are found in the ashes. The metallic bases of them cannot exist in contact with aqueous fluids ; and these metallic... | |
 | Sir Humphry Davy - 1836 - 458 Seiten
...in plants, or are found in such minute quantities, that it can never be an object to apply them to the soil. It was stated in the beginning of this Lecture,...quantity, through their diversified combinations. LECTURE VIII. ON THE IMPR0VEMENT 0F LANDS BY BURNING; CHEMICAL PRINCIPLES 0F THIS 0PERATI0N. ON IRRIGATI0N... | |
 | 1900 - 1020 Seiten
...in plants, or are found in such minute quantities, that it can never be an object to apply them to the soil. It was stated in the beginning of this lecture...decomposed, for after being absorbed they are found in their ashes.4 It is thus seen that as late as 1815 there was no practical appreciation of the use of mineral... | |
| |
Lecture, that the earthy and alkaline substances seem never to be formed in vegetation ; and there is every reason likewise to believe, that they are never decomposed ; for after being absorbed they are found in their ashes. The metallic bases of them... 