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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Resultados 1-5 de 71
Página 14
... supply of oxygen is necessary . It cannot obtain 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 inclosed in a thick layer of pulp , or in ...
... supply of oxygen is necessary . It cannot obtain 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 inclosed in a thick layer of pulp , or in ...
Página 28
... supply of the oxygen consumed in the formation of carbonic acid , as well as much of the hydrogen that is assimilated by plants . It has been proved , experimentally , that plants cannot long exist upon pure water ; but , if they are so ...
... supply of the oxygen consumed in the formation of carbonic acid , as well as much of the hydrogen that is assimilated by plants . It has been proved , experimentally , that plants cannot long exist upon pure water ; but , if they are so ...
Página 49
... supply sent upwards from the roots . The conse- quence of this is , that sap always begins to flow at the ends of branches , a circumstance which has led to the erroneous idea that it proceeds from above downwards through the alburnum ...
... supply sent upwards from the roots . The conse- quence of this is , that sap always begins to flow at the ends of branches , a circumstance which has led to the erroneous idea that it proceeds from above downwards through the alburnum ...
Página 57
... and only a few small stomates , will be the inhabitants of situations where the air is dry and the supply of liquid food small ; while those with a thin epidermis , and a great number 58 ITS PROPERTIES . of large stomates , will belong.
... and only a few small stomates , will be the inhabitants of situations where the air is dry and the supply of liquid food small ; while those with a thin epidermis , and a great number 58 ITS PROPERTIES . of large stomates , will belong.
Página 69
... supply it , and the consequence will be , that the leaves will die , or the fruit will fall off , or the flowers be unable to set their fruit , from want of a constant and sufficient supply of food ; or the fruit will shrivel , or , as ...
... supply it , and the consequence will be , that the leaves will die , or the fruit will fall off , or the flowers be unable to set their fruit , from want of a constant and sufficient supply of food ; or the fruit will shrivel , or , as ...
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