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 14
... proportion of carbon than any other living part , and so long as it is thus charged with carbon , it is unable to grow . The only means it possesses of ridding itself of this principle , essential to its preservation , but forming an ...
... proportion of carbon than any other living part , and so long as it is thus charged with carbon , it is unable to grow . The only means it possesses of ridding itself of this principle , essential to its preservation , but forming an ...
Página 16
... world ; its first act having been to deprive itself of a principle ( carbon ) which , in superabundance , prevents its growth ; but , in some other proportion , is essential to its existence . CHAPTER III . --- GROWTH BY THE ROOT . ROOTS.
... world ; its first act having been to deprive itself of a principle ( carbon ) which , in superabundance , prevents its growth ; but , in some other proportion , is essential to its existence . CHAPTER III . --- GROWTH BY THE ROOT . ROOTS.
Página 26
... proportion borne by the root to the stem is very variable . In such plants as succulent Euphorbias , and probably in all plants whose perspiring powers are feeble , the roots are much smaller than the stem ; but , in others the circle ...
... proportion borne by the root to the stem is very variable . In such plants as succulent Euphorbias , and probably in all plants whose perspiring powers are feeble , the roots are much smaller than the stem ; but , in others the circle ...
Página 29
... proportions per cubic metre in the preceding table , would afford annually of— Nitrogen Nitric acid Ammonia Chlorine Lime Magnesia . 45 lbs . 103 " " 19 , 12 " " 35 99 11 Annual total per acre 227 Of these substances the three first are ...
... proportions per cubic metre in the preceding table , would afford annually of— Nitrogen Nitric acid Ammonia Chlorine Lime Magnesia . 45 lbs . 103 " " 19 , 12 " " 35 99 11 Annual total per acre 227 Of these substances the three first are ...
Página 34
... proportion to the strength , number , and development of the leaves ; and in their absence is absent also as a general rule . The exceptional cases are those of " leafless " plants ; that is to say , of plants in which leaves never ...
... proportion to the strength , number , and development of the leaves ; and in their absence is absent also as a general rule . The exceptional cases are those of " leafless " plants ; that is to say , of plants in which leaves never ...
Outras edições - Ver tudo
The Theory and Practice of Horticulture: Or, An Attempt to Explain the Chief ... John Lindley Visualização integral - 1855 |
The Theory and Practice of Horticulture: Or, an Attempt to Explain the Chief ... John Lindley Pré-visualização indisponível - 2015 |
The Theory and Practice of Horticulture: Or, an Attempt to Explain the Chief ... John Lindley Pré-visualização indisponível - 2015 |
Palavras e frases frequentes
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