Yearbook of the United States Department of Agriculture, 1912U.S. Government Printing Office, 1913 - 784 pages |
From inside the book
Results 1-5 of 24
Page 5
... Aphides. By W. L. McAtee 397 National Forest Timber for the Small Operator. By William B. Greeley 405 Truck Soils of the Atlantic Coast Region. By Jay A. Bonsteel 417 Seed Collection on a Large Scale. By Henry H. Farquhar 433 Improved ...
... Aphides. By W. L. McAtee 397 National Forest Timber for the Small Operator. By William B. Greeley 405 Truck Soils of the Atlantic Coast Region. By Jay A. Bonsteel 417 Seed Collection on a Large Scale. By Henry H. Farquhar 433 Improved ...
Page 396
... discussed, are treated in some detail in Bulletin 5 of the Bureau of Entomology and will receive special treatment in future publications. RELATION OF BIRDS TO GRAIN APHIDES. By W. L. McAtee, 396 YEARBOOK OF THE DEPARTMENT OF AGRICULTURE.
... discussed, are treated in some detail in Bulletin 5 of the Bureau of Entomology and will receive special treatment in future publications. RELATION OF BIRDS TO GRAIN APHIDES. By W. L. McAtee, 396 YEARBOOK OF THE DEPARTMENT OF AGRICULTURE.
Page 397
United States Department of Agriculture. RELATION OF BIRDS TO GRAIN APHIDES. By W. L. McAtee, Assistant Biologist, Biological Survey. INTRODUCTION. Several species of aphides or plant lice habitually feed on growing cereal crops. None of ...
United States Department of Agriculture. RELATION OF BIRDS TO GRAIN APHIDES. By W. L. McAtee, Assistant Biologist, Biological Survey. INTRODUCTION. Several species of aphides or plant lice habitually feed on growing cereal crops. None of ...
Page 398
... aphides concerned in the infestation made it desirable to learn, if possible, the exact numbers of Toxoptera eaten by the birds. Much time was spent in seeking a practicable method of distinguishing the three genera of aphides in the ...
... aphides concerned in the infestation made it desirable to learn, if possible, the exact numbers of Toxoptera eaten by the birds. Much time was spent in seeking a practicable method of distinguishing the three genera of aphides in the ...
Page 399
... aphides. These species are the chickadee and pine warbler, which, from their arboreal habits, would hardly be expected to feed on grain aphides, and the robin, a bird rather above the size for aphis-eating. It should be borne in mind ...
... aphides. These species are the chickadee and pine warbler, which, from their arboreal habits, would hardly be expected to feed on grain aphides, and the robin, a bird rather above the size for aphis-eating. It should be borne in mind ...
Contents
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397 | |
405 | |
408 | |
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285 | |
288 | |
xxi | |
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309 | |
312 | |
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368 | |
408 | |
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xliv | |
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xlvi | |
433 | |
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471 | |
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523 | |
537 | |
607 | |
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Yearbook of the United States Department of Agriculture, 1912 United States Department of Agriculture No preview available - 2015 |
Common terms and phrases
acres amount animals aphides apples Austria-Hungary average bales bananas better birds breeding bulletins Bureau of Chemistry bushels calorimeter cattle cent condensed milk cooperation corn cotton crop cutworms dairy demonstrated Department of Agriculture diseases distribution districts drainage dried eggs established experiment stations exports farm farmers favorable field food and drugs fruit fungicides grade grain grass growers grown heat important improved increased industry insecticides insects investigations irrigation June 30 laboratory land larva live stock maggots ment methods milk Mount Weather mountain National Forests nearly North Dakota onion operation orchard period plants Plate potash poultry pounds practically present production quantity region reports ripening season Secretary of Agriculture seed soil South species Sudan sugar supply temperature Texas thrips timber tion tree United Valley varieties vegetable Weather Bureau wheat wireworm Yearbook U. S. Dept yield
Popular passages
Page 249 - Agriculture, the general designs and duties of which shall be to acquire and diffuse among the people of the United States useful information on subjects connected with agriculture in the most general and comprehensive sense of that word, and to procure, propagate, and distribute among the people new and valuable seeds and plants.
Page 376 - He answered and said unto them, When it is evening, ye say, It will be fair weather: for the sky is red.
Page 33 - March tenth, eighteen hundred and seventy-seven, or any subsequent decisions or instructions of the Secretary of the Interior or the Commissioner of the General Land Office...
Page 215 - Agriculture to investigate and report upon the organization and progress of farmers' institutes and agricultural schools in the several States and Territories, and upon similar organizations in foreign countries, with special suggestions of plans and methods for making such organizations more effective for the dissemination of the results of the work of the Department of Agriculture and the agricultural experiment stations, and of improved methods of agricultural practice...
Page 521 - Some of the nutritive material present in green vegetables may escape into the water in which they are cooked, and if the water is discarded this means a corresponding loss. In experiments made in connection with the nutrition investigations of the Office of Experiment Stations it was found that when cabbage, which contains...
Page 248 - Treasury not otherwise appropriated, to be expended by the Secretary of Agriculture in cooperation with the Postmaster General in improving the conditions of roads to be selected by them over which rural delivery is or may hereafter be established...
Page 204 - ... sold or offered for sale in the District of Columbia or the territories, or...
Page 2 - L,., 1895.] [AN ACT Providing for the public printing and binding and the distribution of public documents...
Page 542 - ... institutions having courses in agriculture are maintained for the colored race. All of the agricultural colleges for white persons and several of those for negroes offer four-year courses in agriculture and its related sciences leading to bachelors' degrees, and many provide for graduate study.
Page 193 - With all these data before the board, each individual member computes independently, on a separate sheet or final computation slip, his own estimate of the acreage, condition, or yield of each crop, or of the number, condition, etc., of farm animals for each State separately. These results are then compared and discussed by the board under the supervision of the chairman, and the final figures for each State are decided upon.