 | 1828 - 574 pagine
...facts suggest to the mind of every reflecting practitioner are numerous. They explain and enforce the necessity of a regular, and by no means as to quantity...instances this is done with essential benefit, but the horticulturist should constantly keep in mind that with every one that he removes he deprives the... | |
 | Library, John Baxter - 1830 - 614 pagine
...regular, and by no means as to quantity indiscriminate, supply of water to plants wherever practicable. The importance of shading after their transplanting,...keeping the leaves as clean, and as free from injury as po.>sible. The leaves of plants must often be removed, and in some instances this is done with essential... | |
 | Library, John Baxter - 1830 - 594 pagine
...facts suggest to the mind of every reflecting practitioner are numerous. They explain and enforce the necessity of a regular, and by no means as to quantity indiscriminate, supply of water to plants wherever practicable. The importance of shading after their transplanting, and of a free circulation... | |
 | 1833 - 222 pagine
...facts suggest to the mind of every reflecting practitioner are numerous. They explain and enforce the necessity of a regular, and by no means as to quantity indiscriminate, supply of water to plants. ' PHENOMENA OF HEAT— No. I. THE first and most common effect of heat is to increase tiie size of... | |
 | 1834 - 498 pagine
...facts suggest to the mind of every reflecting practitioner are numerous. They explain and enforce the necessity of a regular, and by no means, as to quantity, indiscriminate supply of water to plants. VEGETABLE PRODUCTIONS. — It is remarkable that this country does not produce one useful vegetable... | |
 | 1860 - 1126 pagine
...of shading after their transplanting, yet the evidence of unnecessary shading to those established ; and of a free circulation of air, &c. ; and the necessity...instances this is done with essential benefit ; but the horticulturist should constantly keep in mind that, with every leaf that he removes, he deprives... | |
 | George William Johnson - 1862 - 396 pagine
...TOPEB SUEFACE OF LEAVES. of every reflecting practitioner are numerous. They explain and enforce the necessity of a regular, and by no means as to quantity,...the importance of shading after their transplanting, yet the avoidance of unnecessary shading to those established ; and of a free circulation of air, &c.... | |
 | David Naar - 1859 - 396 pagine
...facts suggest to the mind of every reflecting practitioner are numerous. They explain and enforce the necessity of a regular, and by no means, as to quantity, indiscriminate supply of water to plants; the importunée of shading after their transplanting, yet the evidence of unnecessary shading to those... | |
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Leaves have the power of absorbing moisture as well as of emitting it, which power of absorption they principally enjoy during the night. The hints and warnings which these facts suggest to the mind of every reflecting practitioner are numerous. They... 