The Theory of Horticulture; Or, An Attempt to Explain the Principal Operations of Gardening: Upon Physiological PrinciplesLongman, Orme, Brown, Green, and Longmans, 1840 - 387 páginas |
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Página 8
... oxygen is necessary . It cannot obtain oxygen in sufficient quantity from the air , for it 8 VITAL ACTIONS .
... oxygen is necessary . It cannot obtain oxygen in sufficient quantity from the air , for it 8 VITAL ACTIONS .
Página 9
... oxygen ; fixing hydrogen , the other element of water , in its tissue : and thus it is enabled to form carbonic acid , which it parts with by its respiratory organs , until the proportion of fixed carbon is lowered to the amount suited ...
... oxygen ; fixing hydrogen , the other element of water , in its tissue : and thus it is enabled to form carbonic acid , which it parts with by its respiratory organs , until the proportion of fixed carbon is lowered to the amount suited ...
Página 20
... oxygen consumed in the forma- tion of carbonic acid , and all the hydrogen that is incorporated in the tissue of plants . It has been proved , experimentally , that plants cannot long exist upon pure water ; but , if they are so circum ...
... oxygen consumed in the forma- tion of carbonic acid , and all the hydrogen that is incorporated in the tissue of plants . It has been proved , experimentally , that plants cannot long exist upon pure water ; but , if they are so circum ...
Página 42
... oxygen obtained by a decomposition of water or otherwise , with the carbon in its interior . When a leaf is exposed to the direct influence of the Al- sun , it gives off oxygen , by decomposing 42 VITAL ACTIONS .
... oxygen obtained by a decomposition of water or otherwise , with the carbon in its interior . When a leaf is exposed to the direct influence of the Al- sun , it gives off oxygen , by decomposing 42 VITAL ACTIONS .
Página 43
... oxygen , however , which was before expelled , is inhaled . Hence plants decom- pose carbonic acid during the day , and form it again during the night , the oxygen they inhale at that time entering again into combination with their ...
... oxygen , however , which was before expelled , is inhaled . Hence plants decom- pose carbonic acid during the day , and form it again during the night , the oxygen they inhale at that time entering again into combination with their ...
Outras edições - Ver tudo
The Theory of Horticulture: Or, An Attempt to Explain the Principal ... John Lindley Visualização integral - 1840 |
The Theory of Horticulture: Or, An Attempt to Explain the Principal ... John Lindley Visualização integral - 1881 |
The Theory of Horticulture; Or, An Attempt to Explain the Principal ... John Lindley Visualização integral - 1840 |
Palavras e frases frequentes
2d Edition absorbing action alburnum appears Apple atmosphere bark become blossoms bottom heat branches buds calyx carbonic acid cause cellular circumstances cloth cold coloured consequence containing cultivated damp deciduous decompose degree ditto double flowers dryness earth effect Engravings epidermis exposed favourable flowers fluid FREDRIKA BREMER fruit gardener germination grafting grow growth healthy History Hort Horticultural illustrated inches injury J. C. LOUDON JOHN LINDLEY Knight leaf leaf-buds leaves London manure means moisture morocco nature numerous observed obtained operation organisable matter oxalic acid Peach Pear period perspiration Pine-apple pistil plants Plates pollen pots practice present principles produce propagation proportion quantity ripening roots SAMUEL LAING scion season seed seedling shoots soil species spring stamens stem summer surface temperature tion tissue Trans transplanting TREATISE trees varieties vegetable Vignette Titles vital vols WILLIAM HOWITT winter wood Woodcuts young
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