 | John Claudius Loudon - 1822 - 1494 páginas
...this extract, the addition of manures will be in vain. Manure is useless to vegetation till it becomes soluble in water, and it would remain useless in a state of solution, if it so abounded as wholly to exclude air, for then the fibres or mouths, unable to perform their functions, would soon... | |
 | John Claudius Loudon - 1825 - 1250 páginas
...this extract, the addition of manures will be in vain. Manure is useless to vegetation till it becomes soluble in water, and it would remain useless in a state of solution, if it so abounded as wholly to exclude air, for then the fibres or mouths, unable to perform their functions, would soon... | |
 | John S. Skinner, Editor. - 1826 - 438 páginas
...Another benefit results from the admission of air. Manure is useless in vegetation till it becomes soluble in water, and it would remain useless in a state of solution, if it so abounded as wholly to exclude air, for then the fibres or mouths, unable to perform their functions, would soon... | |
 | Sir Henry Steuart - 1828 - 536 páginas
...not necessary to the growth of plants, but it is essential to the juices or extract of the vegetahle matter which they contain ; and, unless the soil,...consideration, is singularly improved by their being pulverized. Earths, as Grisenthwaite remarks, are among the worst conductors of heat which we know... | |
 | Charles McIntosh - 1828 - 626 páginas
...it would remain in that useless condition if it abounded so as to exclude the air, for without air, the fibres, or mouths of plants, would be unable to perform their functions, and so decay, and rot off. This principle, we see completely exemplified in the roots of plants in pots,... | |
 | Sir Henry Steuart - 1832 - 444 páginas
...which they contain ; and unless the soil, by means of comminution, be fitted to retain the quanui y of water requisite to produce those juices, the addition...consideration, is singularly improved by their being pulverized. Earths, as Griesenthwaite remarks, are among the worst conductors of heat which we know... | |
 | Sir Henry Steuart - 1832 - 444 páginas
...by means of comminution, be fitted to retain the qnnn 163 tity of water requisite to produce thoae juices, the addition of manure will be useless. Manure...consideration, is singularly improved by their being pulverized. Earths, as Griesenthwaite remarks, are among the worst conductors of heat which we know... | |
 | 1840 - 550 páginas
...whatever be the richness of the soil. . . . Manure is ineffectual towards vegetatioa until it becomes soluble in water ; and it would remain useless in a state of solution if it so abounded as to exclude air, for, in that case, the fibres or mouths of plants would be unable to perform (heir... | |
 | 1839 - 520 páginas
...so absorbed the water as entirely to exclude the air ; for in that case the fibres or mouths of the plants would be unable to perform their functions, and they would soon drop off by decay." Kirwan observes, " where rain to the depth of twenty-six inches falls per annum, the proportion of... | |
 | John Claudius Loudon - 1835 - 1326 páginas
...this extract, the addition of manures will be in vain. Manure is useless to vegetation till it becomes soluble in water, and it would remain useless in a state of solution, if it so abounded as wholly to exclude air, for then the fibres or mouths, unable to perform their functions would soon... | |
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Manure is ineffectual towards vegetation, until it become soluble in water ; and it would remain useless in a state of solution, if it so abounded as utterly to exclude air ; for in that case, the fibres or mouths of plants would be unable to perform... 
