Horticulturist

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W.S. Orr, 1849 - Gardening - 732 pages
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Page 115 - If this useful bird caught its food by day, instead of hunting for it by night, mankind would have ocular demonstration of its utility in thinning the country of mice, and it would be protected and encouraged everywhere. It would be with us what the ibis was with the Egyptians. When it has young, it will bring a mouse to the nest about every twelve or fifteen minutes.
Page 398 - Another ill effect of high temperature during the night is, that it exhausts the excitability of the tree much more rapidly than it promotes the growth, or accelerates the maturity of the fruit : which is in consequence ill supplied with nutriment, at the period of its ripening, when most nutriment is probably wanted.
Page 62 - When lime, whether freshly burnt or slacked, is mixed with any moist fibrous vegetable matter, there is a strong action between the lime and the vegetable matter, and they form a kind of compost together, of which a part is usually soluble in water. By this kind of operation, lime renders matter which was before comparatively inert, nutritive...
Page 82 - ... degrees, but the degree of saturation will remain nearly the same, and a copious dew will quickly form upon the glass, and will shortly run down in streams. A process of distillation is thus established, which prevents the vapour from attaining the full elasticity of the temperature. • This action is beneficial within certain limits, and at particular seasons of the year, but when the external air is very cold, or radiation proceeds very rapidly, it may become excessive and
Page 397 - ... night. In Jamaica, and other mountainous islands of the West Indies, the air upon the mountains becomes, soon after sunset, chilled and condensed, and, in consequence of its superior gravity, descends and displaces the warm air of the valleys ; yet the sugar-canes are so far from being injured by this sudden decrease of temperature, that the sugars of Jamaica take a higher price in the market than those of the less elevated islands, of which the temperature of the day and night is subject to...
Page 397 - As early in the spring as I wished the blossoms of my peach-trees to unfold, my house was made warm during the middle of the day ; but towards night it was suffered to cool, and the trees were then sprinkled, by means of a large syringe, with clear water, as nearly at the temperature at which that usually rises from the ground, as I could obtain it ; and little or no artificial heat was given during the night, unless there appeared a prospect of frost. Under this mode of treatment the blossoms advanced...
Page 49 - Humus acts in the same manner in a soil permeable to air as in the air itself; it is a continued source of carbonic acid, which it emits very slowly. An atmosphere of carbonic acid, formed at the expense of the oxygen of the air, surrounds every particle of decaying humus. The cultivation of land, by tilling and loosening the soil, causes a free and unobstructed access of air. An atmosphere of carbonic acid is therefore contained in every fertile soil, and is the first and most important food for...
Page 86 - ... wet, has been already tried at the Society's garden, at my suggestion, and it has been found that the plants have grown with unprecedented vigour ; indeed, their luxuriance must strike the most superficial observer. To the human feelings the impression of an atmosphere so saturated with moisture is very different from one heated to the same degree without this precaution ; and any one coming out of a house heated in the common way, into one well charged with vapour, cannot fail to be struck with...
Page 685 - ... flowers, in July and August. The whole plant is aromatic, and has long been an inmate of the garden. " Use. — The tender stalks of common fennel are used in salads ; the leaves, boiled, enter into many fish sauces ; and, raw, are garnishes for several dishes. The blanched stalks of the variety called finochio are eaten with oil, vinegar and pepper, as a cold salad, and they are likewise sometimes put into soups.
Page 70 - To vegetables growing in climates for which they are originally designed by nature, there can be no doubt that the action of radiation is particularly beneficial, from the deposition of moisture which it determines upon the foliage ; and it is only to tender plants, artificially trained to resist the rigours of an unnatural situation, that this extra degree of cold proves injurious...

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