Annual Report of the Pennsylvania State College for the Year ... |
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acre Agriculture amount army worms attacked oats attacked the oats average birds Birdsboro Bradford county brown brownstone building stone Bulletin bushels cent College color conglomerate corn course cream crop dairy destroying digestible matter Dissolved bone black Dry matter electrical Engineering entrance and trimmings Experiment Station farm farmers feeding stuffs feet feldspar fertilizers fruit grains grass Hummelstown Hummelstown brownstone Hummelstown stone inches July and remained June laboratory Laurel Run loss Lumberville meal means were taken method miles Muriate of potash Nitrate of soda nitrogen Nutritive ratio operation orchards oxide p. m. Mean paris green peach Pennsylvania percentage Philadelphia phosphoric acid places plant plowed pounds per plot Protein quantities quarry quartz quartzite railroad ration red shale rock sandstone seams seed shale shows skim milk soil sulphate tests thickness timothy tion township will probably trees varieties weeks wheat White Haven Yardley yield
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Página 112 - While all of the nut trees are probably capable of improvement, and each has adaptation to its particular situation, the one most promising in this latitude is the chestnut. The chestnut is a native of the eastern United States, particularly the mountainous parts, where in the higher and drier soils it is one of the most common as it is one of the most useful of our trees. It is not as widespread as many others and is somewhat limited by soil conditions as well as by latitude. It is not a tree of...
Página 7 - June 30, 1002 ; that we have found the same well kept and classified as above, and that the receipts for the year from the treasurer of the United .States are shown to have been...
Página 87 - It varies from fluegrained to a coarse conglomerate, the conglomerate occurring in thin bands or layers, varying from a fraction of an inch to a foot or more in thickness in the finer grained stoue with rarely any line of parting between them.
Página 76 - Without a dynamometer it was impossible to definitely state the power required to operate the different machines, and the best that can be done under the circumstances is to...
Página 97 - ... growth of wood and foliage at the expense of the fruit. Fifty to a hundred pounds per acre of nitrate of soda, or its equivalent in dried blood or sulphate of ammonia is usually as much nitrogenous fertilizer as any orchard requires, and many orchards do not need it at all. Muriate of potash, kainit, or sulphate of potash may be used in large quantities without injury. Four to five hundred pounds per acre will do no harm, provided it is not put too close to the trunks of the trees.
Página 60 - Walton quarry and rock-cut of the Northern Central Railroad, on the west bank of the Susquehanna river opposite Harrisburg ; where a consecutive series of the beds, all conformable, and all dipping regularly about 30° to the southward, afforded a good opportunity for collecting two sets of specimens for analysis, one at the bottom and the other at the top of the cut. Great care was taken to survey...
Página 107 - The stand of currants, having been transplanted two years since, is not yet at its best, so far as the yield of fruit is concerned, while it is also true, that several of the newer varieties have not yet a full stand of plants. On March 29th, foliage being yet dormant, the plants were sprayed with a solution of one pound of copper sulphate, in twenty-five gallons of water. The spray of potassium sulphide, used to prevent mildew of gooseberries, proves effective also in preventing loss of the foliage...
Página 19 - ... substances, of which washed lean meat or the white of egg may be taken as the type. They all contain about 16 per cent, of the element nitrogen, which is entirely lacking in the three other groups, and are remarkably alike in their general properties. The organic part of the bones, the ligaments, tendons and muscles which bind together and move the bones, the skin, the internal organs, the brain and nerves, in short, all the working machinery of the body, are composed very largely of protein....
Página 26 - a small bottle is weighed, filled with distilled water and weighed again. The bottle is then emptied, dried, the powdered stone put in, and reweighed. These weights give the weight of the stone and the weight of the bottle full of water. The bottle containing the sample is partly filled with water and suction applied to exhaust the air bubbles, the filling completed, and another weight...
Página 36 - There are numerous seams in all of the quarries, either bedding or joint seams, and by utilizing these seams the stone can be extracted more cheaply by wedging and blasting than by channeling. In the larger quarries the Knox system of blasting is used, which, if properly managed, reduces the injury to the stone almost to a minimum. The Knox blasting system, which is patented, consists essentially of making a series of elongated holes along the line of desired fracture, putting in a light charge of...