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
... quantity of heat ; in addition , it is necessary that a communication with the atmosphere should be provided , if germination is to be maintained in a healthy state . A seed , when fully ripe , contains a larger proportion of carbon ...
... quantity of heat ; in addition , it is necessary that a communication with the atmosphere should be provided , if germination is to be maintained in a healthy state . A seed , when fully ripe , contains a larger proportion of carbon ...
Página 9
Upon Physiological Principles John Lindley. oxygen in sufficient quantity from the air , for it is cut off from free communication with the air by various means , either natural , as being enclosed in a thick layer of pulp , or in a hard ...
Upon Physiological Principles John Lindley. oxygen in sufficient quantity from the air , for it is cut off from free communication with the air by various means , either natural , as being enclosed in a thick layer of pulp , or in a hard ...
Página 17
... quantity of food that a plant requires : when the sap is con- sumed rapidly by the leaves , as in the spring , the roots are in rapid action also ; and as the summer advances , and leaves require a smaller quantity of food , the roots ...
... quantity of food that a plant requires : when the sap is con- sumed rapidly by the leaves , as in the spring , the roots are in rapid action also ; and as the summer advances , and leaves require a smaller quantity of food , the roots ...
Página 18
... quantity of food that may be prepared for them , it follows , that the longer the period of rest from growth , the more vigorous the vegetation of a plant will become when once renewed , if that period is not exces- sively protracted ...
... quantity of food that may be prepared for them , it follows , that the longer the period of rest from growth , the more vigorous the vegetation of a plant will become when once renewed , if that period is not exces- sively protracted ...
Página 20
... seeds of the same kind , which contain the largest quantity of nitrogen , germinate the earliest . He found nitrogen in young roots having the proportion of one 39. In addition to their feeding properties * , roots 20 VITAL ACTIONS .
... seeds of the same kind , which contain the largest quantity of nitrogen , germinate the earliest . He found nitrogen in young roots having the proportion of one 39. In addition to their feeding properties * , roots 20 VITAL ACTIONS .
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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