Experiment Station Record, Հատոր 63U.S. Government Printing Office, 1931 |
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Այլ խմբագրություններ - View all
Experiment Station Record, Հատոր 3 United States. Office of Experiment Stations Ամբողջությամբ դիտվող - 1892 |
Experiment Station Record, Հատորներ 71-80 United States. Office of Experiment Stations Ամբողջությամբ դիտվող - 1934 |
Experiment Station Record, Հատոր 7 United States. Office of Experiment Stations Ամբողջությամբ դիտվող - 1897 |
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acid acre agricultural alfalfa ammonium sulfate amount animals appeared apple average barley Bordeaux mixture calcium cent cooperation corn cost cotton cottonseed meal crop culture cystine decrease determined diet disease effect eggs ergosterol Experiment Station factors farm feed fertilizer figs fruit gain grain grass green manure growth increased indicated infection Jour larvae lead arsenate legumes lime lime sulfur manure method milk mixture moisture nitrate nitrogen normal oats obtained organic parasite pasture percentage period phosphate phosphorus pigs plants plats potassium potatoes present previously noted E. S. R. production protein ration rats reported Research root seed showed silage sodium sodium nitrate soil solution soybeans sprays sugar sulfate sulfur sulfuric acid superphosphate temperature tests tion tomatoes trans trees U. S. Dept varieties vitamin vitamin D weight wheat yields
Սիրված հատվածներ
Էջ 100 - ... Hawaii, Alaska, and Puerto Rico cooperate. One of the objectives of this service, as put in the words of Dr. CB Smith, Chief, Office of Cooperative Extension Work, is, "To promote better homes and a higher standard of living on the farm." Quoting further: "The work of the Extension Service is essentially that of teaching; of showing the farmer and his family and the rural community how to apply the practical results of the investigational work and studies of the Federal Department of Agriculture,...
Էջ 326 - Hereditary abnormalities of the limbs, their origin and transmission. II. A morphological study with special reference to the etiology of club-feet, syndactylism, hypodactylism and congenital amputation in the descendants of X-rayed mice. Am. J. Anat.
Էջ 4 - And only the Master shall praise us, and only the Master shall blame; And no one shall work for money, and no one shall work for fame, But each for the joy of the working, and each, in his separate star, Shall draw the Thing as he sees It for the God of Things as They are!
Էջ 179 - This circular is a brief nontechnical discussion of the principles of heat transfer as applied to thermal insulation at ordinary temperature, particularly with reference to buildings. The insulating properties of a number of general classes of insulating and building materials are given, together with estimates of the probable fuel savings resulting from the use of such materials.
Էջ 210 - ... or magnesium acetate. The rapidity and the comparative extent of their recovery from the soils were ascertained by means of electrodialysis. The degree to which the cations were extracted from the soil when in either of the states mentioned, was essentially the same. When each cation was adsorbed at the exclusion of the others, potassium and calcium were recovered by electrodialysis in equivalent quantities and to a considerably greater degree than was magnesium. This occurred in spite of the...
Էջ 622 - F, line had 14 pairs of chromosomes and durum-like characters, and, variably, an intermediate type of resistance to leaf rust. Cases of sterility are described. ,The relative frequency with which recombinations of the characters of the two species occurred is evidence that a cross of this kind can be used to advantage in plant breeding, and is contrary to the conclusion that the desirable and typical characters of the emmer and vulgare wheats can seldom, if ever, be recombined.
Էջ 19 - PL 1928. THE INFLUENCE OF ONE ION ON THE ACCUMULATION OF ANOTHER BY PLANT CELLS WITH SPECIAL REFERENCE TO EXPERIMENTS WITH NITELLA.
Էջ 210 - ... potassium and calcium were recovered by electrodialysis in equivalent quantities and to a considerably greater degree than was magnesium. This occurred in spite of the fact that the soil adsorbed as much magnesium as it did potassium or calcium. Aluminum was adsorbed by the soil when its alumino-silicic complex was saturated with hydrogen or with calcium, but only minute quantities of it could be extracted by electrodialysis. The manner in which it was adsorbed is not clear, but it appears that...
Էջ 3 - It will not be doubted that with reference either to individual or national welfare agriculture is of primary importance. In proportion as nations advance in population and other circumstances of maturity this truth becomes more apparent, and renders the cultivation of the soil more and more an object of public patronage. Institutions for promoting it grow up, supported by the public purse; and to what object can it be...
Էջ 248 - Bull., 55 : 163-179, 4 figs., 6 tab. . 1929. Absolute humidity as a factor in insect cold hardiness with a note on the effect of nutrition on cold hardiness. — Ann.