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 28
... ammonia , a compound of hydrogen and nitrogen , and thus the source of the nitrogen absorbed by plants was explained . But it has also been shown , especially by M. Barral , that other substances , upon which plants feed , are contained ...
... ammonia , a compound of hydrogen and nitrogen , and thus the source of the nitrogen absorbed by plants was explained . But it has also been shown , especially by M. Barral , that other substances , upon which plants feed , are contained ...
Página 29
... Ammonia Chlorine Lime Magnesia . 45 lbs . 103 " " 19 , 12 " " 35 99 11 Annual total per acre 227 Of these substances the three first are of the utmost importance , on account of their entering so largely into the indispensable ...
... Ammonia Chlorine Lime Magnesia . 45 lbs . 103 " " 19 , 12 " " 35 99 11 Annual total per acre 227 Of these substances the three first are of the utmost importance , on account of their entering so largely into the indispensable ...
Página 169
... ammonia upon humus , and of gypsum upon carbonate of ammonia . 5. The directions of the currents which occur in wet soil are entirely altered by drainage ; for whereas in undrained soil the currents are altogether from below upwards ...
... ammonia upon humus , and of gypsum upon carbonate of ammonia . 5. The directions of the currents which occur in wet soil are entirely altered by drainage ; for whereas in undrained soil the currents are altogether from below upwards ...
Página 170
... ammonia , a direct food of plants , to reach the roots with every shower , probably constitute the whole rationale of this important operation . In bibulous soils lying high this contrivance may be unne- cessary ; but in those which are ...
... ammonia , a direct food of plants , to reach the roots with every shower , probably constitute the whole rationale of this important operation . In bibulous soils lying high this contrivance may be unne- cessary ; but in those which are ...
Página 197
... ammonia , by evaporation . The same subject is taken up by the Comte de Gasparin in a commu- nication to the Institute , printed in the Comptes Rendus for June , 1853 . The effects , he observes , of solar radiation on vegetation are so ...
... ammonia , by evaporation . The same subject is taken up by the Comte de Gasparin in a commu- nication to the Institute , printed in the Comptes Rendus for June , 1853 . The effects , he observes , of solar radiation on vegetation are so ...
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