Elements of agriculture

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Macmillan Co., 1909 - 434 pages

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Page 119 - During the last few years a great deal of attention has been given to the...
Page 404 - Department of Agriculture Weather Bureau Bureau of Animal Industry Bureau of Plant Industry Forest Service Bureau of Chemistry Bureau of Soils Bureau of Entomology Bureau of Biological Survey...
Page 438 - The language is, as it should be, plain and simple, free from all needless technicality, and the story thus told is of absorbing interest to every one, man or woman, boy or girl, who takes an intelligent interest in farm life.
Page 219 - ... is obviously inevitable. Fire, wasteful and destructive forms of lumbering, and legitimate use, are together destroying our forest resources far more rapidly than they are being replaced. What such a famine would mean to each of the industries of the United States it is scarcely possible to imagine.
Page 346 - Then stop it and, with the pipette or other convenient means, add hot water to each bottle until the contents come up to the bottom of • the neck. Whirl two minutes. Add hot water enough to bring the top of the fat nearly to the top of the graduations on the neck of the bottles. Whirl one minute.
Page 345 - ... about one pint of sulfuric acid with specific gravity between 1.82 and 1.83, a few ounces of milk, and some hot water. All the necessary apparatus and acid can be purchased for about five dollars from any dairy supply company. They can be ordered through a hardware dealer. Sulfuric acid is sold also at drug stores. Sampling the milk. — The milk to be tested should be thoroughly mixed just before the sample is taken, to make sure that the fat or cream is evenly distributed. This can best be...
Page 436 - I 60 net JG Lipman's Bacteria in Relation to Country Life . . . I 50 net EC Lodeman's The Spraying of Plants I 25 net HM Ward's Disease in Plants (English) I 60 net AS Packard's A Text-book on Entomology . . . . 4 50 net On Production of New Plants LH Bailey's...
Page 219 - If the present rate of forest destruction Is allowed to continue, with nothing to offset It, a timber famine In the future Is Inevitable. Fire, wasteful and destructive forms of lumbering, and the legitimate use, taken together, are destroying our forest resources far more rapidly than they arc being reduced.
Page 346 - Pour this into the bottle with the milk, holding the bottle in a slanting position. The acid will then carry down any milk left in the neck and follow the glass surface to the bottom of the bottle and form a layer under the milk. Hold the bottle by the neck and give it a...
Page 369 - ... The contents of an uncooked egg. — (a) Break a fresh, uncooked egg in a saucer by separating the shell in the middle. Observe the "germinal disc," which appears as a light-colored spot usually to be found on the upper surface of the yolk. The germinal disc contains the life principle of the egg. On the upper surface it remains in close contact with the source of heat during natural incubation, which is from above.

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