The Farmer's MagazineRogerson and Tuxford, 1849 |
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Popularne fragmenty
Strona 77 - Yet, this position, when submitted to a strict examination, is found to be untenable, and it becomes evident from most conclusive proofs that humus in the form in which it exists in the soil does not yield the smallest nourishment to plants.
Strona 123 - Again, that the waters of this globe swarm with living creatures which are invisible by our unaided eyes, the microscope has taught us. Others too minute to be estimated even by that wonder-showing instrument, in all probability exist. We cannot doubt that the gaseous fluid which surrounds this planet . equally teems with living atoms. We know that multitudes of insects and...
Strona 116 - I conceive it will not be out of place here to give a short account of their rise, and of their effect on the progress of physical science.
Strona 218 - ... some foundation for the opinion. In order fairly to try this, the cows who calved before the 260th day, and those who calved after the 300th, ought to be omitted as being anomalous cases, as well as the cases in which twins were produced ; and it will then appear that, from the cows whose period of gestation did not exceed 286 days, the number of cow-calves produced was 233, and the number of bull-calves 234 ; while from those whose period exceeded 286 days, the number of cow-calves was only...
Strona 461 - ... kind of soil, according to the opinion of men well qualified to judge? It exercises, likewise, a favourable influence, by decomposing and absorbing the matters excreted by the roots, so as to keep the soil free from the putrefying substances which are often the cause of the death of the spongiola?. Its porosity, as well as the power which it possesses of absorbing water with rapidity, and, after the saturation, of allowing all other water to sink through it, are also causes of its favourable...
Strona 166 - I am sure there can be no difference of opinion as to the value of that class of our fellow countrymen whose health I am about to propose.
Strona 416 - Thee, O Darbha, the learned proclaim a divinity, not subject to age or death ; thee they call the armour of India, the preserver of regions, the destroyer of enemies ; a gem that gives increase to the field. At the time when the ocean resounded, when the clouds murmured, and lightnings flashed, then was Darbha produced, pure as a drop of fine gold...
Strona 105 - The other mode of rendering chalk soluble in water is nearly the reverse. In the former mode, a pound of pure chalk becomes dissolved in water in consequence of losing seven ounces of carbonic acid. To dissolve in the second mode, not only must the pound of chalk not lose the seven ounces of carbonic acid that it contains, but it must combine with seven additional ounces of that acid. In such a state of combination, chalk...
Strona 448 - I am apt to think there is no such matter as petrifying of shells in the business, but that these cockle-like stones are everywhere as they are at present Lapides sui generis, and never were any part of an animal.
Strona 123 - It has been observed, also, that shortly before, or during, or soon after, the prevalence of these epidemic catarrhs, epizootic diseases have raged ; various species of brutes, and of birds, have been extensively affected with sickness ; while, on some occasions, prodigious swarms of insects have made their appearance. In short, a great variety of facts concur to render it probable that some peculiar condition of the air existed, which, though it might be...