 ... principle of agriculture, that those substances which have been removed from a soil must be completely restored to it ; and whether this restoration be effected by means of dung, ashes, or bones is in a great measure a matter of indifference.  The Farmer - Էջ 48Sir George NICHOLLS - 1844Ամբողջությամբ դիտվող - Այս գրքի մասին
 | 1842 - 574 էջ
...a matter of indifference. A time will come when fields will be manured with a solution of silicnte of potash, with the ashes of burnt straw, and with...manufactories, exactly as at present medicines are prepared for the cure of ague and goitre.' — p. 181. We have great satisfaction in mentioning, as... | |
 | 1841 - 276 էջ
...or bones, is in great measure a matter of indifference. Liebig loooks forward to the time when the fields will be manured with a solution of glass (silicate...acid, prepared in chemical manufactories, exactly as medicines are now prepared to be administered to the patient, as the exigency of the case requires.... | |
 | 1841 - 536 էջ
...in great measure a matter of indifferent?. Liebig loooks forward to the time when the fields ri1'. manured with a solution of glass (silicate of potash), with the ashes of burnt straw, and with salts of phoy phoric acid, prepared in chemical manufactories, eiactlj as medicines are now prepared to be administered... | |
 | 1842 - 696 էջ
...speaks of ' a quart of spirit sufficient to manure an acre;' and even Liebig says that ' a time will come when fields will be manured with a solution of glass (silicate of potash), with the ashes of burned straw, and with salts of phosphoric acid prepared in chemical manufactories, exactly as at present... | |
 | Loring Dudley Chapin - 1843 - 452 էջ
...most valuable. Bones afford 10 times more than either. A time will come, says a distinguished chemist when fields will be manured with a solution of glass...acid, prepared in chemical manufactories, exactly as medicines are given for fever, etc. The most important object in cultivating plants is the production... | |
 | John Claudius Loudon - 1849 - 788 էջ
...speaks of "a quart of spirit sufficient to manure an acre ; " and even Liebig says, that " a time will come when fields will be manured with a solution of glass (silicate of potash), with the ashes of burned straw, and with salts of phosphoric acid prepared in chemical manufactories, exactly as at present... | |
 | Pennsylvania State Agricultural Society - 1854 - 500 էջ
...by means of excrements, ashes, or bones, is in a great measure a matter of indifference. A time will come when fields will be manured with a solution of...) with the ashes of burnt straw, and with salts of phophoric acid, prepared in chemical manufactories, exactly as at present medicines are given for fever... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray IV, Rowland Edmund Prothero (Baron Ernle) - 1842 - 578 էջ
...great measure a matter of indifference. A time will come when fields will be manured with a solution of silicate of potash, with the ashes of burnt straw,...manufactories, exactly as at present medicines are prepared for the cure of ague and goitre.' — p. 187. We have great satisfaction in mentioning, as... | |
 | William H. Brock - 2002 - 400 էջ
...fur hessische Geschichte 45(1987), 149-68. Liebig and the Farmers: Agricultural Chemistry A time will come when fields will be manured with a solution of...of potash), with the ashes of burnt straw, and with the salts of phosphoric acid prepared in chemical manufactories, exactly as at present medicines are... | |
 | Vaclav Smil - 2004 - 372 էջ
...merely facilitate the absorption of minerals by increasing their solubility, but that "A time will come when fields will be manured with a solution of...of potash), with the ashes of burnt straw, and with the salts of phosphoric acid prepared in chemical manufactories, exactly as at present medicines are... | |
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