Agricultural Science Review, Volumes 2-3Cooperative State Research Service, U.S. Department of Agriculture, 1964 |
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Palavras e frases frequentes
absorption acclimation activity agencies Agri Agricul agricultural research AGRICULTURAL SCIENCE REVIEW amino acid animal antibody antigen application areas basic biological breeding cells changes chelating agents chemical chlorosis chromosome citrus colchicine cold Cooperative State Research corn crop cultural Department of Agriculture diploid economic effects enzyme estrous cycle estrus evaluation Experiment Station experimental factors families farm Federal fertilizer foliar freeze fungi gametogenesis gene genetic groups growth haploid important increased insect iron Jour laboratory meat mechanisms meiosis membranes ment metabolism methods mitochondria molecules mutations nematode nitrogen nutrients nutrition occur organisms percent pest physiology plant pollen population problems production protein protozoa reported Research Service root salmonellae scientific scientists seed soil somatic sorghum specific spermatids spermatogenesis studies sugar techniques temperature tenderness tion tissue treatment trees tural U.S. Department University uptake USDA
Passagens conhecidas
Página 51 - False facts are highly injurious to the progress of science, for they often endure long; but false views, if supported by some evidence, do little harm, for every one takes a salutary pleasure in proving their falseness...
Página 18 - Smithsonian's Science Information Exchange and the National Referral Center for Science and Technology at the Library of Congress. These steps to provide a single point of contact for Government activities in the physical and engineering sciences will complement services now available through the National Library of Medicine and the National Agricultural Library. Such measures...
Página 12 - The difficulty seems to be, not so much that we publish unduly in view of the extent and variety of present day interests, but rather that publication has been extended far beyond our present ability to make real use of the record.
Página 12 - The investigator is staggered by the findings and conclusions of thousands of other workers - conclusions which he cannot find time to grasp, much less to remember, as they appear. Yet specialization becomes increasingly necessary for progress, and the effort to bridge between disciplines is correspondingly superficial
Página 12 - Professionally our methods of transmitting and reviewing the results of research are generations old and by now are totally inadequate for their purpose. If the aggregate time spent in writing scholarly works and in reading them could be evaluated, the ratio between these amounts of time might well be startling. Those who conscientiously attempt to keep abreast of current thought, even in restricted fields, by close and continuous reading might well shy away from an examination calculated to show...
Página 12 - The summation of human experience is being expanded at a prodigious rate and the means we use for threading through the consequent maze to the momentarily important item is the same as was used in the days of square rigged ships.
Página 40 - Prudence and circumspection are necessary even to the best of men. They are indeed, as it were, a guard to Virtue, without which she can never be safe. It is not enough that your designs, nay that your actions, are intrinsically good; you must take care they shall appear so.
Página 40 - The statistician is no longer an alchemist expected to produce gold from any worthless material offered him. He is more like a chemist capable of assaying exactly how much of value it contains, and capable also of extracting this amount, and no more.
Página 8 - Marshall W. Nirenberg and J. Heinrich Matthaei of the National Institutes of Health thought of putting into the test tube system, in which they did the translation of RNA to protein, artificial RNA. When they used an artificial RNA containing only T...
Página 49 - Chairman, Division of Child Development and Family Relations, School of Home Economics, University of Arizona, Tucson ELEANORE T.