The Farmer's Magazine Vol. XXXI ( Thirs Series ) January to June, 1867

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Page 46 - ... will show that the quantity of heat discharged over the Atlantic from the waters of the Gulf Stream in a winter's day would be sufficient to raise the whole column of atmosphere that rests upon France and the British Islands from the freezing point to summer heat.
Page 423 - ... cwts. of nitrogen per acre, equal to 4 tons 8 cwts. of ammonia. " This is a very much larger amount of nitrogen than occurred in the other soil, and shows plainly that the total amount of nitrogen accumulates, especially in the surface soil, when clover is grown for seeds ; thus explaining intelligibly, as it appears to me, why wheat, as stated by many practical men, succeeds better on land where clover is grown for seed than where it is mown for hay. " All the three layers of the soil after...
Page 406 - Ibs.; or in both together, 46 Ibs. of nitrogen, in round numbers equal to about 55 Ibs. of ammonia, which is only about one-fifth the quantity of nitrogen in the produce of an acre of clover. Wheat, it is well known, is specially benefited by the application of nitrogenous...
Page 381 - I. (p. 392), and in summary below, the results arrived at on the basis of the population, and of the amounts of the home-produce and the net imports of wheat each year. For Scotland and Ireland each separately, as well as for Great Britain and the United Kingdom, the average consumption of wheat per head can only be estimated on the basis of the population and the amounts of the home and foreign supplies.
Page 406 - ... is an ample supply in almost every soil. The restoration of silica, therefore, need not trouble us in any way, especially as there is not a single instance on record proving that silica, even in a soluble condition, has ever been applied to land with the slightest advantage to corn or grass crops, which are rich in silica, and which, for this reason, may be assumed to be particularly grateful for a supply of it in a soluble state. " Silica, indeed, if at all capable of producing a beneficial...
Page 403 - ... a preparatory crop for wheat as it is practically known to be. " By those taking a superficial view of the subject, it may be suggested that any injury likely to be caused by the removal of a certain amount of fertilizing matter is altogether insignificant, and more than compensated for by the benefit which results from the abundant growth of clover roots and the physical improvement in the soil which takes place in their decomposition.
Page 424 - ... be plowed in, inasmuch as neither a broiling sun nor a sweeping and drying wind will cause the slightest loss of ammonia, and that, therefore, the old-fashioned farmer who carts his manure on the land as soon as he can, and spreads it at once, but who plows it in at his convenience, acts in perfect accordance with correct chemical principles involved in the management of farmyard manure.
Page 54 - Fair weather may come out of the north," but the tyrant of the west rolls in cloud on cloud till masses of vapour obscure the sun, which day after day no ray of his can pierce; then long pendent streams of condensing vapour float over the languishing ears of corn, or descend in heavy rain to retard and injure the harvest. The sun may be a monarch in the desert, where " the earth is fire and the sun is flame ;" but in Cornwall we often view him as the " dim, discrowned god of day...
Page 425 - ... and decaying leaves may have time to become transformed into ammoniacal compounds, and these, in the course of time, into nitrates, which I am strongly inclined to think is the form in which nitrogen is assimilated, par excellence, by cereal crops, and in which, at all events, it is more efficacious than in any other state of combination wherein it may be used as a fertilizer. " When the clover-lay is plowed up early, the decay of the clover is sufficiently advanced by the time the young wheat-plant...

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