 | John Claudius Loudon - 1822 - 1494 Seiten
...constitution of their organs and solid productions. " Water is absolutely necessary to the economy of vegetation in its elastic and fluid state ; and...freezing point ; and this water becomes the first nourishment of the plant in early spring. The expansion of water during its congelation,, at which... | |
 | John Claudius Loudon - 1825 - 1250 Seiten
...and ornamental plantations. SXCT. III. Of Waler. 3264. JPater ii nbtoluie/y necenary to the economy of vegetation in its elastic and fluid state; and...freezing point ; and this water becomes the first nourishment of the plant in early spring. The expansion of water during its congelation, at which time... | |
 | John Claudius Loudon - 1826 - 1252 Seiten
...its clastic anil fluid state ; anil it is not devoid of use even in its solid form. Snow and ice aro bad conductors of heat ; and when the ground is covered...or the surface of the soil or of water is frozen, die roots or bulbs of the plants beneath are protected by the congealed water from the influence of... | |
 | John Claudius Loudon - 1831 - 1330 Seiten
...2331. Water is absolutely necessary to the economy of vegetation in its elastic and fluid states ; and it is not devoid of use even in its solid form....freezing point ; and this water becomes the first nourishment of the plant in early spring. The expansion of water during its congelation, at which time... | |
 | William Whewell - 1833 - 298 Seiten
...Yet, even in this form, they are not without their uses.* " Snow and ice are bad conductors of cold; and when the ground is covered with snow, or the surface...soil or of water is frozen, the roots or bulbs of plants beneath are protected by the congealed water from the influence of the atmosphere, the temperature... | |
 | John Claudius Loudon - 1835 - 1326 Seiten
...1993. Water is absolutely necessary to lite economy of vegetation in its elastic and fluid states ; and it is not devoid of use even in its solid form....freezing point ; and this water becomes the first nourishment of the plant in early spring. The expansion of water during its congelation, at which time... | |
 | Sir Humphry Davy - 1836 - 458 Seiten
...necessary to the economy of vegetation in its elastic and fluid state ; and it is not devoid of use even it its solid form. Snow and ice are bad conductors of...the freezing point; and this water becomes the first nourishment of the plant in early spring. The expansion of water during its congelation, at which time... | |
 | 1836 - 566 Seiten
...Yet, even in this form, they are not without their uses.* " Snow and ice are bad conductors of cold ; and when the ground is covered with snow, or the surface...soil or of water is frozen, the roots or . bulbs of plants beneath are protected by the congealed water from the influence of the atmosphere, the temperature... | |
 | Jean-Antoine-Claude Chaptal (comte de Chanteloup) - 1839 - 372 Seiten
...to that of the atmosphere being as ten to fifteen, it * Water is absolutely necessary to the economy of vegetation in its elastic and fluid state; and...freezing point ; and this water becomes the first nourishment of the plant in early spring. The expansion of water during its congelation, at which time... | |
 | 1843
...warm a veil." COWPEB. " Snow and ice," says Dalton, " are well known to be bad conductors of cold ; and when the ground is covered with snow, or the surface...soil or of water is frozen, the roots or bulbs of plants beneath are protected by 2 White seems to have witnessed something like this phenomenon in the... | |
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... in its solid form. Snow and ice are bad conductors of heat ; and when the ground is covered with snow, or the surface of the soil or of water is frozen, the roots or bulbs of the plants beneath are protected by the congealed water from the influence... 
