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absorb agricultural alkali ammonia amount analysis applied ashes atmosphere become bones burning bushels carbonic acid causes character charcoal chemical Chlorine class of proximates clay compost compound condition consists constituents crops cultivation decay decomposed decomposition deficient deposited depth drains dung effect evaporation excrements farmer farming fertilizing gases fertilizing matters grain growth guano heap heat hydrogen important improved inches ingredients inorganic kinds land leached lime and salt liquid manure Magnesia manganese Mapes mechanical character mineral manures mineral matter moisture mulching necessary night soil nitric acid nitrogen nure obtain organic manures organic matter Oxide of Iron oxygen particles phosphate of lime phosphoric acid plaster portions potash prepared muck prevent produce proportion pulverized rains render rocks roots of plants sand silica slaked lime Soda soluble straw sub-soil plow substances sufficient sulphate of lime sulphuric acid super-phosphate of lime supply surface soil tain tion under-draining vegetable matter weeds wheat
Seite 290 - Principles of Geology; or, the Modern Changes of the Earth and its Inhabitants considered as illustrative of Geology. Ninth Edition. Woodcuts. 8vo. 18s. - Manual of Elementary Geology ; or, the Ancient Changes of the Earth and its Inhabitants illustrated by its Geological Monuments.
Seite 293 - Landscape Gardening, adapted to North America; with a view to the improvement of country residences. Comprising historical notices and general principles of the art, directions for laying out grounds and arranging plantations, the description and cultivation of hardy trees, decorative accompaniments to the house and grounds, the formation of pieces of artificial water, flower gardens, etc. With remarks on rural architecture.
Seite 291 - It has been the object of the author in this work to exhibit the present condition of chemical knowledge, and of matured scientific opinion, upon the subjects to which it is devoted. The reader will not be surprised, therefore, should he find in it some things which differ from what is to be found in other popular works already in his hands or on the shelves of his library. . LETTERMAN. Medical Recollections of the Army of the Potomac. By JONATHAN LETTERMAN, MD, Late Surgeon IT.
Seite 292 - Farm,' .£2, 2s. Catechism of Practical Agriculture. With Engravings, is. STEWART. Advice to Purchasers of Horses. By JOHN STEWART, VS Author of ' Stable Economy.' 2s. 6d. Stable Economy. A Treatise on the Management of Horses in relation to Stabling, Grooming, Feeding, Watering, and Working. Seventh Edition, fcap. 8vo, 6s. 6d.
Seite 293 - There is no work extant which can be compared in ability to Downing's volume on this subject. It is not overlaid with elaborate and learned disquisition, like the English works, but i« truly practical."— Louisville Journal. " The standard work on this subject."— Sittiman's Journal DaneiUs System of Mineralogy.
Seite 292 - Cyclop&dia of Six Thousand Practical Receipts, and Collateral Information in the Arts, Manufactures, and Trades ; including Medicine, Pharmacy, and Domestic Economy, designed as a compendious Book of Reference for the Manufacturer, Tradesman, Amateur, and Heads of Families.
Seite 148 - It is not necessary that*-4his and the foregoing table should be learned by the scholar, but they will be found valuable for reference by the farmer. MANURES. Example 1. — Required, the number of loads necessary to manure an acre of ground, dividing each load into six heaps, and placing them at a distance of 44 yards from each other ? The answer by the table is 39f . Example 2.
Seite 291 - THE common life of man is full of wonders, Chemical and Physiological. Most of us pass through this life without seeing or being sensible of them, though every day our existence and our comforts ought to recall them to our minds. One main cause of this is, that our schools tell us nothing about them — do not teach those parts of modern learning which would fit us for seeing them. What most concerns the things that daily occupy our attention and cares, are in early life almost sedulously kept from...
Seite 235 - ... the sub-soil plow, by passing through it, opens a passage for water, and often affords a sufficient drainage. If plants will grow better on a soil six inches deep than on one of three inches, there is no reason why they should not be benefited in proportion, by disturbing the soil to the whole depth to which roots will travel—even to a depth of two feet.
Seite 291 - ... this is, that our schools tell us nothing about them — do not teach those parts of modern learning which would fit us for seeing them. What most concerns the things that daily occupy our attention and cares, are in early life almost sedulously kept from our knowledge. Those who would learn...