Elements of agriculture

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Macmillan, 1909 - Agriculture - 434 pages
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Page 435 - Includes books which state the underlying principles of agriculture in plain language. They are suitable for consultation alike by the amateur or professional tiller of the soil, the scientist or the student, and are freely illustrated and finely made. The following volumes are now ready: THE SOIL. By FH KING, of the University of Wisconsin.
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 - Remove the finger to allow the milk to flow into the bottle. Be sure to get every drop of the milk, taking care to drain the pipette and to blow the last drop into the bottle. A little practice should make anyone proficient with the pipette.
Page 119 - During the last few years a great deal of attention has been given to the...
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 438 - Professor Tracy has had long experience in Southern agriculture, both in application and in teaching. He was formerly Professor of Agriculture in the Mississippi Agricultural College, and now conducts a branch station or farm for the United States Department of Agriculture. He is a botanist of note and has traveled extensively in the South as a collector. His book is not only authentic, but practical. In it is contained a discussion of all kinds of plants and crops adapted to the Southern States...
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 219 - Our country, we have faith to believe, is only at the beginning of its growth. Unless the forests of the United States can be made ready to meet the vast demands which this growth will inevitably bring, commercial disaster, that means disaster to the whole country, is inevitable. If the present rate of forest destruction is allowed to continue, with nothing to offset it, a timber famine in the future is inevitable.
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.
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...

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