 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1840 - 414 páginas
...soluble matter of every kind from the soil, and thus necessarily absorb a number of substances which are not adapted to the purposes of nutrition, and must...the soil contains, the more unfertile must it be for plants of the same species. These excrementitious matters may, however, still be capable of assimilation... | |
 | 1841 - 276 páginas
...soluble matter of every kind from the soil, and thus necessarily absorb a number of substances which are not adapted to the purposes of nutrition, and must...the soil contains, the more unfertile must it be for plants of the same species. These cxerementitious matters may, however, still be capable of assimilation... | |
 | 1841 - 274 páginas
...a number of substances which are not adapted to the purposes of nutrition, and must subsequently bo expelled by the roots, and returned to the soil as...the soil contains, the more unfertile must it be for plants of the same species. These excrementitious matters may, however, still be capable of assimilation... | |
 | 1842 - 604 páginas
...soluble matter of every kind from the soil, and thus necessarily absorb a number of substances which are not adapted to the purposes of nutrition, and must...excrements. Now, as excrements cannot be assimilated by the plants which ejected them, the more of these matters which the soil contains the more unfertile must... | |
 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1842 - 450 páginas
...soluble matter of every kind from the soil, and thus necessarily absorb a number of substances which are not adapted to the purposes of nutrition, and must...must it be for the plants of the same species. These excrementitious matters may, however, still be capable of assimilation by another kind of plants, which... | |
 | JOHN MURRAY - 1842 - 508 páginas
...proportions of certain substances, which are capable of being used as food by a succeeding generation. " Now as excrements cannot be assimilated by the plant...the soil contains, the more unfertile must it be for plants of the same species. These excrementitious matters may, however, still be capable of assimilation... | |
 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1843 - 260 páginas
...soluble matter of every kind from the soil, and thus necessarily absorb a number of substances which are not adapted to the purposes of nutrition, and must...assimilated by the plant which ejected them, the more ot these matters which the soil contains, the more unfertile must it be for the plants of the same... | |
 | Adam Beatty - 1844 - 314 páginas
...necessarily absorb a number of substances, which are not adapted to the purposes of nutrition, and which must subsequently be expelled by the roots, and returned...the soil contains, the more unfertile must it be for plants of the same species. These exerementitious matters may, however, still be capable of assimilation... | |
 | Sir Charles Lyell - 1849 - 394 páginas
...kind from the soil, and absorb many substances not adapted for their nutrition, which are subsequently expelled by the roots, and returned to the soil as...plant which ejected them, the more of these matters the soil contains, the less fertile must it become for plants of the same species. These exudations,... | |
 | Sir Charles Lyell - 1849 - 590 páginas
...nutrition, which are subsequently expelled by the roots, and returned to the Foil as excrements. s Now, as excrements cannot be assimilated by the plant which ejected them, the more of these matters the soil contains, the less fertile must it become for plants of the same species. These exudations,... | |
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... expelled by the roots, and returned to the soil as excrements. Now as excrements cannot be assimilated by the plant which ejected them, the more of these matters which the soil contains, the more unfertile must it be for the plants of the same species. 
