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 страници |
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Страница xvi
... Preservation of Races by Seed : 463 CHAPTER XVIII . Of the Improvement of Races 481 CHAPTER XIX . Of Resting 507 CHAPTER XX . Of Soil . 525 CHAPTER XXI . Of Manure 539 INDEX . 581 THE THEORY AND PRACTICE OF HORTICULTURE . HORTICULTURE ...
... Preservation of Races by Seed : 463 CHAPTER XVIII . Of the Improvement of Races 481 CHAPTER XIX . Of Resting 507 CHAPTER XX . Of Soil . 525 CHAPTER XXI . Of Manure 539 INDEX . 581 THE THEORY AND PRACTICE OF HORTICULTURE . HORTICULTURE ...
Страница 14
... preservation , but forming an impediment to its development as a new plant , is by converting the carbon into carbonic acid , for which purpose a supply of oxygen is necessary . It cannot obtain oxygen in sufficient quantity from the ...
... preservation , but forming an impediment to its development as a new plant , is by converting the carbon into carbonic acid , for which purpose a supply of oxygen is necessary . It cannot obtain oxygen in sufficient quantity from the ...
Страница 38
... preserved . The growth of new tissue was not assisted by any thin strips of the inner bark still adhering to the tree , by which the descending tissue could have been conducted , but proceeded simply as indicated above , from the ...
... preserved . The growth of new tissue was not assisted by any thin strips of the inner bark still adhering to the tree , by which the descending tissue could have been conducted , but proceeded simply as indicated above , from the ...
Страница 39
... preserved and brought to light is in every respect most interesting . The letters were cut through the bark into the alburnum , or white wood below , and this very marring of the bark became the means of ВЯ MVO VO TA AV W D Fig . IX ...
... preserved and brought to light is in every respect most interesting . The letters were cut through the bark into the alburnum , or white wood below , and this very marring of the bark became the means of ВЯ MVO VO TA AV W D Fig . IX ...
Страница 73
... preserved another year , is useful ; there can be no doubt , however , that as few shoots as possible should be thus removed . Another case in which the removal of leaves is justifiable occurs in the Vine . In this plant the fruit is ...
... preserved another year , is useful ; there can be no doubt , however , that as few shoots as possible should be thus removed . Another case in which the removal of leaves is justifiable occurs in the Vine . In this plant the fruit is ...
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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