The Theory of Horticulture; Or, An Attempt to Explain the Principal Operations of Gardening: Upon Physiological Principles

absorb abundant action alburnum appears Apple applied artificial ascer atmosphere bark bear become blossoms bottom heat branches buds calyx carbonic acid causes cellular CHAPTER circumstances climate cold consequence crop cultivated damp decompose degree ditto double flowers dryness earth effect employed epidermis excitability exposed favourable flowers fluid force fruit gardener germination grafting grow growth healthy Hort Horticultural inches injury kind leaf leaf-buds leaves Malaxis paludosa manure mean temperature moisture nature necessary night observed obtained operation organisable matter oxygen Peach Pear period perspiration Pine-apple pistil plants Plum pollen potash pots practice produce propagation proportion quantity require ripening roots scion season seed seedling sepals shoots soil species spring stamens stem stomates sufficient summer supply surface tained temperature thermometer tion tissue Trans transplanting trees tubers ture vapour varieties vegetable vigorous Vine vital winter wood woody wound young