 | Friedrich Christian Accum - 1808 - 492 páginas
...be considered as only slightly absorbent and retentive, and the siliceous earth as most abundant. 6. Of the Separation of Stones, Gravel, and vegetable...accomplished by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres or wood, and of the gravel and stones, should... | |
 | Friedrich Christian Accum - 1814 - 484 páginas
...earth as most abundant. 6. Of the Separation of Stones, Gravel, and vegetable Fibres, from ,V>,:/.v, None of the loose stones, gravel, or large vegetable...accomplished by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres or wood, and of the gravel and stones, should... | |
 | Sir Humphry Davy, George Sinclair, John Russell Duke of Bedford - 1815 - 452 páginas
...only slightly absorbent and retentive, and siliceous earth probably forms the greatest part of it. 2. None of the loose stones, gravel, or large vegetable...accomplished by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres or wood, and of the gravel and stones should... | |
 | 1816 - 442 páginas
...loose stones, gravel, or large vegetable fibres should be divided from the pure soil till after th/*. water is drawn off; for these bodies are themselves...accomplished. by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres or wood, and of the gravel and stones, should... | |
 | William Thomas Brande - 1821 - 666 páginas
...slightly absorbent and retentive, and siliceous earth probably forms the greatest part of it. " 2. None of the loose stones, gravel, or large vegetable...accomplished by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres, or wood, and of the gravel and stones, should... | |
 | William Thomas Brande - 1821 - 806 páginas
...slightly absorbent and retentive, and siliceous earth probably forms the greatest part of it. " 2. None of the loose stones, gravel, or large vegetable...and, in consequence, influence the fertility of the laud. The next process, however, after that of heating, shpaldjbe their separation, which may be easily... | |
 | Sir Humphry Davy - 1836 - 458 páginas
...only slightly absorbent and retentive, and siliceous earth probably forms the greatest part of it. 2. None of the loose stones, gravel, or large vegetable...accomplished by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres or wood, and of the gravel and stones, should... | |
 | 1840 - 532 páginas
...matter would undergo decomposition, and in consequence the experiment be wholly unsatisfactory. 2. None of the loose stones, gravel, or large vegetable...accomplished by the sieve, after the soil has been gently bruised in a mortar. The weights of the vegetable fibres or wood, and of the gravel and stones, should... | |
 | Cuthbert William Johnson - 1842 - 1364 páginas
...only slightly absorbent and retentive, and silicious earth probably forms the greatest part of it. 2. None of the loose stones, gravel, or large vegetable...after the water is drawn off; for these bodies are often themselves highly absorbent and retentive, and in consequence influence the fertility of the... | |
 | Cuthbert William Johnson - 1869 - 1296 páginas
...only slightly absorbent and retentive, and silicious earth probably forms the greatest part of it. 2. None of the loose stones, gravel, or large vegetable...after the water is drawn off; for these bodies are often themselves highly absorbent and retentive, and in consequence influence the fertility of the... | |
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... 2. None of the loose stones, gravel, or large vegetable fibres should be divided from the pure soil till after the water is drawn off: for these bodies are themselves often highly absorbent and retentive, and, in consequence, influence the fertility... 