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 99
... heat , under the soil of his bulb garden , to be 159 ° ; at 3 P.M. it was 150 ° , and even in shaded places 119 ° the temperature of the air in the shade , in the same garden , at the same period , was 98 ° and 92 ° . At 5 P.M. the soil ...
... heat , under the soil of his bulb garden , to be 159 ° ; at 3 P.M. it was 150 ° , and even in shaded places 119 ° the temperature of the air in the shade , in the same garden , at the same period , was 98 ° and 92 ° . At 5 P.M. the soil ...
Página 105
... BOTTOM HEAT . THIS term is , in common practice , made use of only in those cases where the temperature of the soil in which plants grow is artificially raised con- siderably above that which we ... BOTTOM HEAT . 105 CHAP I Of Bottom Heat ·
... BOTTOM HEAT . THIS term is , in common practice , made use of only in those cases where the temperature of the soil in which plants grow is artificially raised con- siderably above that which we ... BOTTOM HEAT . 105 CHAP I Of Bottom Heat ·
Página 106
... temperature of moist soil pro- duces an unusual degree of vigour in plants un- accustomed in nature to such an ... bottom heat has been generally obtained for rearing delicate species , the air inside the plant is in motion , the ...
... temperature of moist soil pro- duces an unusual degree of vigour in plants un- accustomed in nature to such an ... bottom heat has been generally obtained for rearing delicate species , the air inside the plant is in motion , the ...
Página 107
... bottom heat which they may require ; but this can either not be effected at all , or only to a limited degree by a selection of soils and situations , when plants are cultivated in the open air ; and hence OF BOTTOM HEAT . 107.
... bottom heat which they may require ; but this can either not be effected at all , or only to a limited degree by a selection of soils and situations , when plants are cultivated in the open air ; and hence OF BOTTOM HEAT . 107.
Página 108
... bottom heat to which they are exposed may not affect them so far as to destroy them ; but it cannot be doubted that the con- ditions most favourable to their growth are those which embrace a temperature rather above than below that to ...
... bottom heat to which they are exposed may not affect them so far as to destroy them ; but it cannot be doubted that the con- ditions most favourable to their growth are those which embrace a temperature rather above than below that to ...
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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