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 xiv
... Moisture of the Soil . - Watering 159 CONTENTS . XV PAGE CHAPTER III . Of Atmospherical Moisture.
... Moisture of the Soil . - Watering 159 CONTENTS . XV PAGE CHAPTER III . Of Atmospherical Moisture.
Страница 14
... moisture , and a certain quantity of heat ; in addition , it is necessary that a communication with the atmosphere should be provided , if germination is to be maintained in a healthy state . A seed , when fully ripe , contains a larger ...
... moisture , and a certain quantity of heat ; in addition , it is necessary that a communication with the atmosphere should be provided , if germination is to be maintained in a healthy state . A seed , when fully ripe , contains a larger ...
Страница 51
... moisture trees do daily imbibe and perspire . Now the celerity of the sap must be very great , if that quantity of moisture must , most of it , ascend to the top of the tree , then descend , and again ascend , before it is carried off ...
... moisture trees do daily imbibe and perspire . Now the celerity of the sap must be very great , if that quantity of moisture must , most of it , ascend to the top of the tree , then descend , and again ascend , before it is carried off ...
Страница 61
... moisture ( an indispensable condition of their life ) , and such a soil is never deficient in carbonic acid , either derived from the atmo- sphere or from the putrefaction of vegetable matter . No water , either rain or that of springs ...
... moisture ( an indispensable condition of their life ) , and such a soil is never deficient in carbonic acid , either derived from the atmo- sphere or from the putrefaction of vegetable matter . No water , either rain or that of springs ...
Страница 67
... moisture . Although perspiration thus appears to be principally excited by the solar rays , and to be in a given plant in proportion to their intensity , yet we are not authorised in concluding that perspiration is not increased or ...
... moisture . Although perspiration thus appears to be principally excited by the solar rays , and to be in a given plant in proportion to their intensity , yet we are not authorised in concluding that perspiration is not increased or ...
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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