The Theory and Practice of Horticulture: Or, An Attempt to Explain the Chief Operations of Gardening Upon Physiological GraoundsLongman, Brown, Green, and Longmans, 1855 - 606 páginas |
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Página 13
... kind of development . Under fitting circumstances a seed grows ; that is to say , the embryo which it contains swells , and bursts through its integu- ments ; it then lengthens , first in a direction downwards , next in an upward ...
... kind of development . Under fitting circumstances a seed grows ; that is to say , the embryo which it contains swells , and bursts through its integu- ments ; it then lengthens , first in a direction downwards , next in an upward ...
Página 18
... kind . And , indeed , it seems highly probable that this is so , when we consider how thick is the bark of the root , through which fluids would have to pass before they reach the alburnum . But although there can be no doubt that the ...
... kind . And , indeed , it seems highly probable that this is so , when we consider how thick is the bark of the root , through which fluids would have to pass before they reach the alburnum . But although there can be no doubt that the ...
Página 25
... . For this purpose it is furnished , as has been seen , with an extremely hygrometrical point or spongelet , which is capable of absorbing incessantly whatever matter of a suitable 26 ROOTS ABSORB AT ALL SEASONS . kind may lie.
... . For this purpose it is furnished , as has been seen , with an extremely hygrometrical point or spongelet , which is capable of absorbing incessantly whatever matter of a suitable 26 ROOTS ABSORB AT ALL SEASONS . kind may lie.
Página 26
... kind may lie in its neighbourhood . Its force of absorption is always proportioned to the quantity of food that a plant requires when the sap is consumed rapidly by the leaves , as in the spring , the roots are in rapid action also ...
... kind may lie in its neighbourhood . Its force of absorption is always proportioned to the quantity of food that a plant requires when the sap is consumed rapidly by the leaves , as in the spring , the roots are in rapid action also ...
Página 27
... kind , and made to grow under the same circumstances , the Wheat plant will absorb abundance of silex in solution from the earth , and the Pea will absorb little or none ; whence it would seem that the Pea is unable to receive a ...
... kind , and made to grow under the same circumstances , the Wheat plant will absorb abundance of silex in solution from the earth , and the Pea will absorb little or none ; whence it would seem that the Pea is unable to receive a ...
Otras ediciones - Ver todas
The Theory and Practice of Horticulture: Or, an Attempt to Explain the Chief ... John Lindley Sin vista previa disponible - 2015 |
The Theory and Practice of Horticulture: Or, an Attempt to Explain the Chief ... John Lindley Sin vista previa disponible - 2015 |
Términos y frases comunes
absorb action alburnum appears atmosphere autumn bark bear become blossom-buds branches buds bulb calyx carbonic acid carpels cause cellular Chiswick chloroform circumstances cold colour consequence crop cultivated damp degree dryness earth effect employed epidermis evaporation experiments exposed fact favourable feet flowers fluid formation formed fruit gardener germination grafting ground grow growth healthy herbaceous horizontal Hort Horticultural Horticultural Society hygrometer inches increased injury leaf leaf-buds leaves ligature light loam matter mean temperature mode moisture mucilage nature night observed operation organs Peach Pear peat perish perspiration Pine-apple pistil plants pollen portion pots practice produced propagation proportion pruning quantity removed Rhododendrons ripening roots scion season seeds sepals shortened soil species spring stamens stem substance sufficient summer surface temperature thermometer timber tissue trees vapour varieties vegetation vigour Vine vitality Wardian warm winter wood wound